Chrysler (FCA US, LLC) is recalling certain 2021-2024 Jeep Wrangler and 2022-2024 Jeep Grand Cherokee vehicles. A hybrid control processor (HCP) software error may cause the defrosting and defogging system to be inoperative. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 103, "Windshield Defrosting and Defogging Systems."
Campaign #24V11100015/02/2024
AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE
Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 cab chassis, Ram 5500 cab chassis, 2023 Jeep Gladiator, Jeep Grand Cherokee, Jeep Grand Cherokee L, Ram 3500 Cab Chassis with a GVWR less than 10,000 lbs., and Chrysler Voyager vehicles. The steering column control module may not be welded properly, which can prevent the driver's air bag from deploying in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Campaign #24V19900014/03/2024
STEERING:HYDRAULIC POWER ASSIST:PUMP
🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of Jeep Wrangler problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your Jeep Wrangler. Free, no account needed.
According to Au7o's analysis of 6,361+ owner reports, the 2016 Jeep Wrangler has 26 documented issues. The most frequently reported are: Steering Stabilizer Failure/Death Wobble, TIPM (Totally Integrated Power Module) Failure, TIPM (Totally Integrated Power Module) failure — fuel pump relay & random electrical faults. Of these, 7 are rated critical and should be addressed promptly.
Is the Jeep Wrangler reliable?
The 2016 Jeep Wrangler has 26 known issues documented across 6,361+ owner reports. 7 issues are rated critical: Steering Stabilizer Failure/Death Wobble and TIPM (Totally Integrated Power Module) Failure and TIPM (Totally Integrated Power Module) failure — fuel pump relay & random electrical faults and Death Wobble: violent front-end shaking at highway speed (solid front axle) and 3.6L Pentastar V6 left cylinder head failure / engine tick (early build) and 3.6L Pentastar Rocker Arm / Lifter Needle-Bearing Failure — Valvetrain Tick, Misfire & Cam Damage and Steering Column Clockspring Failure — Airbag Warning Light, Dead Horn / Cruise / Wheel Controls. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Jeep Wrangler problems?
Repair costs for known Jeep Wrangler issues range from $0 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Steering Stabilizer Failure/Death Wobble, typically costs $100-$2,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2018 Jeep Wrangler Steering Stabilizer Failure/Death Wobble?
A worn steering stabilizer combined with other suspension wear can contribute to 'death wobble' - a violent shaking of the front end at highway speeds, usually triggered by a bump. While the stabilizer alone rarely causes death wobble, it can mask other issues. Repairs typically run $100-$2,000. Severity: high.
What is the 2007-2016 Jeep Wrangler TIPM (Totally Integrated Power Module) Failure?
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
Filter:
Community reported
1,450 owners
On the 2007-2016 Jeep Wrangler, the TIPM can develop internal relay failures causing various electrical problems including fuel pump not activating, horn honking randomly, wipers activating on their own, and other erratic electrical behavior. This is a well-known issue across Chrysler vehicles.
TIPM replacement is the definitive fix but expensive. External bypass relays can be installed for specific failing circuits (fuel pump relay bypass is common). Used TIPMs available but may have similar issues. Some shops rebuild TIPMs.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
MAKS TIPM-7 fuel-pump relay bypass
OEMMAKS TIPM-7-FUEL-PUMP-RELAY-BYPASS
Bypass only a test-confirmed failed internal fuel-pump relay without replacing the complete TIPM Fitment/availability: 2007-2016 Wrangler JK with compatible TIPM-7 and a proven internal fuel-pump relay fault; verify fuse-box style and ve…
High Confidence1,450 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
On the 2012-2018 Jeep Wrangler, the TIPM is the integrated fuse/relay power-distribution module controlling most electrical systems. On many 2007-2018 Chrysler/Jeep vehicles, including the JK Wrangler, the internal fuel-pump relay (and later the other relays) degrades. The first symptom is usually a fuel-pump-relay problem causing hard starts, no-start, or stalling; failures can also present as random gremlins — fuel pump running with the key off, wipers or door locks cycling on their own, or intermittent electrical loads. While Chrysler recalled the 2011-2013 Grand Cherokee/Durango with an external relay, the Wrangler was generally not recalled, leaving owners to repair the module themselves. Dealer TIPM replacement runs ~$1,000-$1,200; repair/rebuild services and external-relay bypass kits are cheaper alternatives.
Hard start, no-start, or stalling (fuel pump not priming)
Fuel pump running with the ignition off
Random electrical behavior — wipers, door locks, or lights cycling on their own
Intermittent dead-vehicle conditions
How to Fix
Confirm the fuel-pump relay as the failure point (fuel pump not priming, no-start). Options: rebuild/repair the existing TIPM (specialist services), install an external fuel-pump relay bypass kit, or replace the TIPM (dealer ~$1,000-$1,200; module ~$400 plus programming). An external relay bypass is the common low-cost fix for the fuel-pump-relay failure mode.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
MAKS TIPM-7 fuel-pump-relay bypass
OEMMAKS TIPM-7-FUEL-PUMP-RELAY-BYPASS
Bypass a test-confirmed failed internal fuel-pump relay while retaining ASD safety behavior Fitment/availability: 2012-2018 Wrangler JK with TIPM-7; manufacturer lists all Wrangler variants through 2018.
On the 2007-2017 Jeep Wrangler, the clockspring (a coiled ribbon-cable assembly behind the steering wheel that maintains electrical continuity to the driver airbag, horn, cruise control, and steering-wheel radio controls while the wheel turns) is a chronic Wrangler failure point, aggravated by off-road dust intrusion and vibration. Dust contamination of the flexible conductor's grease causes it to bend abnormally and the circuits to wear open — most critically the driver-airbag squib circuit, which may not deploy in a crash. NHTSA recall 16V-288 (Safety Recall S40) covered 2011-2016 RIGHT-hand-drive Wranglers; a companion recall covered earlier RHD units, and NHTSA investigated 2007-2012 left-hand-drive Wranglers. For 2011-2016 LEFT-hand-drive Wranglers, FCA did NOT recall but issued Customer Satisfaction Notification X68 (bulletin D-17-01) extending the clockspring warranty to 15 years/unlimited miles due to the failure rate. The airbag circuit can fail while horn/cruise still work, or vice versa.
Common Symptoms
Airbag / SRS warning light illuminated
Horn inoperative
Cruise control inoperative
Steering-wheel radio/audio buttons not working
Radio presets changing randomly
Intermittent operation that worsens after off-road/dusty use
How to Fix
Scan for airbag (SRS) fault codes and inspect the clockspring for dust intrusion and open circuits. Accepted fix is replacement of the steering-column clockspring assembly (recall/warranty repairs also replace the steering-wheel back cover and column shrouds). On recall- or X68-warranty-eligible VINs the dealer performs this free (and reimburses prior paid repairs); otherwise it is a standard clockspring R&R. Keeping the steering-column boot/seals intact helps prevent recurrence on heavily off-roaded Jeeps.
On the 2007-2018 Jeep Wrangler, because Wranglers are routinely driven topless/doorless and through water, the driver's master power-window switch is prone to water damage and carbon buildup at its contacts, while the window regulators (plastic guides/clips) wear and break. The result is windows that stop working — sometimes all at once (master switch), sometimes a single window where the motor whirs but the glass doesn't move (broken regulator). Reported quirks include windows refusing to go down until an ignition cycle, or switches operating the wrong window. It is a frequently searched, low-cost JK fix.
Common Symptoms
All power windows stop working at once
Single window: motor runs/grinds but glass doesn't move
Windows won't operate until the ignition is cycled
Switch operates the wrong window or works intermittently
Corrosion/water visible in the switch cluster
How to Fix
If all windows die together, suspect the driver's master switch — pop the switch panel with a trim tool, inspect for corrosion/water, clean contacts with electrical cleaner, or replace the master switch (Mopar 68290764AE for 2018+; earlier JK SwitchDoctor/Mopar equivalents). If you hear the motor run or grind but the glass doesn't move, replace the window regulator. Address the underlying water intrusion (seal/route) to prevent recurrence.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Replace the confirmed failed early JK dash-mounted master switch Fitment/availability: 2007-2010 Wrangler JK with power windows; confirm connector, button layout and VIN before ordering.
Replace the confirmed failed later JK four-door master switch Fitment/availability: 2011-2018 Wrangler JK Unlimited four-door with power windows; distinguish 2018 JK from JL and verify VIN/button layout.
Replace the confirmed failed later JK two-door master switch Fitment/availability: 2011-2018 Wrangler JK two-door with power windows; distinguish 2018 JK from JL and verify VIN/button layout.
Replace a mechanically failed driver/front-left power-window regulator after electrical testing Fitment/availability: 2007-2018 Wrangler JK with power windows, front left/driver side; distinguish 2018 JK from JL. Regulator only—test the …
Clean accessible switch and connector contacts after disconnecting power and confirming corrosion is repairable Fitment/availability: Universal plastic-safe, no-residue electronic contact cleaner.
On the 2012-2017 Jeep Wrangler 3.6L Pentastar V6, early 3.6L Pentastar V6 Wranglers (especially 2012 and early-2013 builds) suffered a left (driver-side) cylinder head defect where the head would overheat and damage a valve seat/guide, causing low compression, a persistent ticking/tapping noise (often described as a 'left bank tick'), misfires, rough idle and reduced power. FCA acknowledged the defect and issued extended-warranty coverage (campaign X56) extending the head/related coverage to 10 years / 150,000 miles. A separate, related Pentastar tick on later builds is caused by failed rocker-arm needle bearings or collapsed valve lifters rather than the head casting. A class action was filed over the 3.6L tick. Left unaddressed, valvetrain wear can progress to major top-end engine damage.
Ticking or tapping noise from the left (driver) cylinder head, often loudest when warm
Misfire, rough idle, reduced power
Check engine light with misfire codes
Low compression on the affected bank in early-build head failures
How to Fix
Diagnose tick source: scan for misfire DTCs (commonly P0300/cylinder-specific P0301-P0306) and check compression on the affected bank. Early-build head failures are repaired by replacing the affected cylinder head (covered under X56 extended warranty if eligible). Tick caused by rocker arms/lifters is repaired by removing intake and valve covers and replacing the failed rocker arm(s)/lifter(s). Keep oil changes on schedule with correct-spec oil to limit cold-start valvetrain wear.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 68141353AC complete left cylinder head with valves
Conditional valvetrain repair when inspection confirms a collapsed or worn lash adjuster instead of an X56 left-head failure Fitment/availability: Specified Wrangler/Pentastar applications, sold individually. Confirm VIN and quantity; in…
On the 2012-2020 Jeep Wrangler 3.6L Pentastar V6 (ERB/ERC), the 3.6L Pentastar V6 used in JK (2012-2018) and JL (2018+) Wranglers suffers a documented valvetrain failure separate from the engine's oil-consumption problem. The needle roller bearings inside the rocker arms wear prematurely, loosen, and can drop out, shifting the rocker arm out of alignment so its roller stops turning and grinds against the camshaft lobe. This scrapes both parts and circulates metal debris through the oil. It typically begins as a persistent top-end 'Pentastar tick' (loudest at cold start, then constant) and progresses to random or cylinder-specific misfires, rough idle, bucking/surging, hesitation, power loss, and — if ignored — catastrophic cam/valvetrain damage. A proposed class-action lawsuit against FCA covering 2014-2020 3.6L Chrysler/Dodge/Jeep/RAM vehicles alleges a defective needle-bearing rocker design. Commonly surfaces after roughly 60,000-100,000 miles.
Persistent top-end ticking noise (Pentastar tick), loudest at cold start
Check engine light with random or cylinder-specific misfires
Rough idle, bucking/surging, hesitation
Reduced power/performance
Metal shavings found in engine oil
How to Fix
Diagnose with a cold-start listen plus cylinder-specific misfire and cam/crank correlation codes. Accepted repair is replacement of the affected rocker arms and hydraulic lash-adjuster lifters; if the camshaft lobe is scored, the camshaft(s) must also be replaced, along with a thorough oil-system flush to purge metal debris. Many shops replace all rockers as a set to avoid repeat failure. Catching it at the tick stage (before misfire/cam damage) is dramatically cheaper than after debris circulates.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 5184296AH roller rocker arm
OEMMopar 5184296AH
Individual rocker replacement after cover-off inspection confirms rough, loose, seized or displaced roller hardware Fitment/availability: Cataloged 3.6L Pentastar rocker branch used by specified Wrangler applications; sold individually, …
Individual hydraulic lash-adjuster replacement when inspection/test confirms collapse, sticking or wear Fitment/availability: Specified Pentastar valvetrain applications including Wrangler; sold individually and not proof that a rocker, …
On the 2012-2018 Jeep Wrangler 3.6L Pentastar V6, the 3.6L Pentastar V6 can consume oil at a rate higher than expected, sometimes requiring oil top-ups between changes. This is often related to piston ring design or valve guide seals. Chrysler considers up to 1 quart per 2,000 miles as within normal range.
Common Symptoms
Oil level drops between changes
Need to add oil frequently
Blue smoke from exhaust
Low oil pressure warning
Oil smell from exhaust
How to Fix
Monitor oil level frequently. Use manufacturer-recommended oil viscosity. If consumption is excessive, dealer may perform oil consumption test for warranty coverage. Some engines have had piston/ring replacement under warranty.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 68083202AC PCV valve
OEMMopar 68083202AC
Replace a confirmed faulty or restricted PCV valve after the consumption and leak checks Fitment/availability: 2012-2018 Wrangler JK 3.6L; verify VIN.
Genuine Mopar 68078776AA complete standard-size engine ring package
OEMMopar 68078776AA
Replace confirmed worn or defective standard-size rings during a measured professional rebuild Fitment/availability: 2012-2018 Wrangler JK 3.6L only after teardown measurements confirm standard-size rings and reusable bores/pistons; veri…
High Confidence920 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
On the 2012-2025 Jeep Wrangler 3.6L Pentastar V6, the 3.6L Pentastar's combined oil cooler and oil filter housing adapter sits in the engine valley and is made of plastic that hardens, warps, and cracks under sustained underhood heat — it can also crack from over-tightening the oil filter cap. The resulting oil (and sometimes coolant) leak runs down the back of the block over the bellhousing, perfectly mimicking a rear main seal leak and leading to misdiagnosis. It is one of the most common 3.6 oil leaks across Wrangler, Gladiator, and other Pentastar applications, with no official recall. The OEM Mopar replacement is part 68105583; the popular upgraded all-aluminum fix is Dorman 926-959 (cooler/cap/filter kit) or 926-876 (housing + seals only).
Common Symptoms
Oil leak / drips appearing at rear of engine
Oil pooling in engine valley
Burning oil smell after drives
Low oil level between changes
Coolant mixing/seepage at housing
How to Fix
Confirm the source by cleaning the valley and watching for fresh oil at the housing seams (a dry flywheel/dust cover rules out the rear main seal). Replace the failed housing/cooler. The strongest fix is the upgraded all-aluminum Dorman housing-and-cooler kit (926-959, includes cooler, cap, and filter; 926-876 is housing+seals only) which eliminates the plastic-cracking failure mode; the OEM Mopar replacement (68105583) is also available. When servicing, only snug the oil filter cap (about 1/8 turn past contact) to avoid cracking the housing.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
On the 2012-2021 Jeep Wrangler 3.6L Pentastar V6 (ERB), p0011 tells you the Bank 1 intake camshaft is stuck (or lagging) in the over-advanced position — the PCM commanded a phaser position it can't achieve. This code applies to the 3.6L Pentastar V6 (2012+ JK/JL), which uses dual VVT with a cam phaser on each of the four camshafts controlled by an Oil Control Valve (OCV / VVT solenoid) that meters engine oil to the phaser. NOTE: the earlier 3.8L OHV pushrod V6 (2007-2011 JK) has no VVT, no cam phasers and no OCV, so it cannot set P0011 — this code is Pentastar-only. The dominant real-world cause is oil-related: overdue/dirty oil or the wrong viscosity sludges the fine OCV passages and screen, so the solenoid responds sluggishly and the phaser hangs advanced. A failed OCV solenoid itself, or in higher-mileage cases a worn cam phaser, are the other causes. Pentastar engines are especially sensitive to oil condition here.
Common Symptoms
Check engine light on
Rough or unstable idle
Hesitation / poor throttle response
Occasional stalling
Hard start when hot
Reduced fuel economy
Engine ticking or rattle on cold start (worn phaser)
How to Fix
First check oil level and condition — if it's dark, sludgy, or the wrong grade, do an oil-and-filter change with the correct spec (5W-20/5W-30 per year) and re-test, as a fresh change clears many cases. If the code persists, inspect and clean or replace the Bank 1 intake Oil Control Valve / VVT solenoid and its screen. Verify wiring and connector integrity. Persistent codes after a good OCV point to a worn camshaft phaser, which is the more expensive fix.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 5184150AF oil-control valve
OEMMopar 5184150AF
Replace the confirmed faulty Bank 1 intake OCV on the first-generation Wrangler Pentastar Fitment/availability: 2012-2018 Wrangler JK 3.6L; distinguish 2018 JK from JL by VIN/body. Verify exact bank/position and connector before ordering.
Replace the confirmed faulty Bank 1 intake OCV on the upgraded JL Pentastar Fitment/availability: 2018-2021 Wrangler JL 3.6L intake position only; distinguish 2018 JL from JK. Do not substitute the different JL exhaust OCV.
On the 2007-2018 Jeep Wrangler, jK Wranglers use a drive-by-wire electronic throttle. A fault in the electronic throttle body, the integrated throttle position sensor (TPS), the accelerator pedal position (APP) sensor, or their wiring/connectors triggers the red lightning-bolt warning, often together with the traction-control light. The PCM drops the engine into limp mode — reduced power, rough/erratic idle, and capped RPM — to protect the engine. Heat-soak and intermittent connector contact at the throttle body are common triggers, so the fault frequently comes and goes. It is one of the most-searched JK driveability complaints.
Common Symptoms
Red lightning-bolt (electronic throttle control) light on dash
Traction control light on simultaneously
Vehicle enters limp mode with reduced power
Rough or erratic idle, surging or stalling
RPM capped / poor acceleration
Symptom comes and goes (often heat-related)
How to Fix
Pull codes; P2refers commonly point to the throttle actuator or pedal sensor circuits. Clean the throttle body and inspect/re-seat the throttle-body and pedal connectors (a loose connector alone can cause it; some owners add pipe insulation to shield the harness from heat). Perform the throttle-body/idle relearn (key-on relearn procedure) after cleaning or replacement. If the actuator or TPS is faulty, replace the electronic throttle body (Mopar 04861661AB, supersedes 04861661AA) and relearn. Replace the accelerator pedal sensor assembly if the pedal-side circuit is at fault.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 4861661AB electronic throttle body
OEMMopar 4861661AB
Replace a scan-confirmed integrated throttle actuator/TPS failure on the first JK model year Fitment/availability: 2007 Wrangler JK with 3.8L V6 only; not 2008-2011 despite sharing the 3.8L engine and not the 2012-2018 3.6L.
Replace a scan-confirmed integrated throttle actuator/TPS failure on the later 3.8L JK branch Fitment/availability: 2008-2011 Wrangler JK/Unlimited with 3.8L V6.
Crown 5184349AC electronic throttle body with integrated TPS
OEMCrown 5184349AC
Replace a scan-confirmed integrated throttle actuator/TPS failure on the Pentastar JK branch Fitment/availability: 2012-2018 Wrangler JK/Unlimited with 3.6L Pentastar V6; 2018 means JK, not JL.
On the 2007-2020 Jeep Wrangler, a frequently misdiagnosed Wrangler oil leak is the upper (structural) oil pan gasket. On both the 3.8L and 3.6L, oil seeps from the sides of the upper oil pan, runs down, and collects at the back of the block — looking exactly like a rear main seal failure. Owners (and shops) often quote an expensive RMS job requiring transmission removal when the real culprit is the far cheaper oil pan gasket. The 3.6 also develops a related front/top seep that adds to the confusion.
Common Symptoms
Oil drips at rear of engine / over bellhousing
Oil spots on driveway
Low oil level over time
Oil film on transmission case
No leak visible from valve covers
How to Fix
Before authorizing a rear main seal replacement, remove the bellhousing dust cover and inspect: a dry flywheel points to the oil pan gasket rather than the RMS. Replace the upper oil pan gasket (a DIY-friendly job versus pulling the transmission for the RMS), using RTV at the front/rear cover seams per the service procedure. Re-clean and re-inspect after a few drive cycles to confirm the leak is resolved and not the oil cooler housing.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Mopar 5241062AB oil-pan gasket package
OEMMopar 5241062AB (current service revision may be 5241062AC)
Reseal a confirmed 3.8L engine-oil-pan leak with the correct molded gasket package Fitment/availability: 2007-2011 Wrangler JK 3.8L V6 only; package includes the pan gasket and oil-pickup-tube seal.
Reseal the structural engine-oil-pan flange where the factory procedure specifies Mopar gray RTV Fitment/availability: 2012-2018 Wrangler JK 3.6L upper/lower engine-oil-pan service, and only later JL operations whose VIN-specific factory…
On the 2007-2018 Jeep Wrangler, a worn steering stabilizer combined with other suspension wear can contribute to 'death wobble' - a violent shaking of the front end at highway speeds, usually triggered by a bump. While the stabilizer alone rarely causes death wobble, it can mask other issues.
Common Symptoms
Violent steering wheel shaking at speed
Front end oscillation triggered by bumps
Wandering steering
Steering feels loose
Wobble that requires stopping to reset
How to Fix
Replace steering stabilizer as part of death wobble diagnosis. Check all steering and suspension components: track bar, ball joints, tie rod ends, control arm bushings. Proper alignment essential. Upgrading to heavy-duty stabilizer helps but doesn't fix root cause.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Bilstein 24-158428 HD monotube steering stabilizer
OEMBilstein 24-158428
Replace a confirmed leaking, binding or ineffective steering damper after root-cause steering inspection Fitment/availability: 2007-2018 Wrangler JK two-door or Unlimited four-door with compatible OE-style mounts; distinguish 2018 JK fro…
Replace a confirmed worn OE-height front track bar after inspecting its bolts and brackets Fitment/availability: 2007-2018 Wrangler JK two-door or Unlimited four-door at stock/compatible geometry; lifted vehicles may need an adjustable b…
High Confidence1,650 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
On the 2007-2025 Jeep Wrangler, front (and sometimes rear) sealed wheel hub/bearing assemblies are a high-wear item on JK and JL Wranglers, especially on lifted rigs running larger tires that load the bearing harder. As the bearing wears it produces a speed-dependent grinding, rumbling, or humming that changes when turning, and free play can be felt by rocking the tire at the 12-and-6 positions. Because the ABS wheel-speed sensor (tone ring/sensor) is integrated into the hub assembly on these models, a failing hub commonly damages the sensor and triggers ABS and traction-control (ESC) warning lights along with disabled stability control. The common service hub assembly for 2007-2016 5-lug JK with ABS is part 513272 (Mopar/MOOG/Timken/Spicer equivalents); note a JK hub part-number change around 2011, so the correct year-specific part must be used.
Confirm the bad corner by road-test noise direction and the 12/6 rock test for play. Replace the complete hub/bearing assembly (the integrated ABS sensor is part of the unit). For 2007-2016 5-lug JK with ABS the common service part is assembly 513272 (Mopar/MOOG/Timken/Spicer equivalents); verify the correct part for your year due to the ~2011 design change. Inspect/clean the ABS connector and clear codes; the ABS/ESC lights should extinguish once the hub and its sensor are replaced.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 52060398AC front hub and bearing
OEMMopar 52060398AC
Replace a confirmed failed early-JK front unit bearing Fitment/availability: 2007-2010 Wrangler JK/Unlimited, front left or right.
Replace a confirmed failed JL front unit bearing Fitment/availability: 2018-2025 Wrangler JL front left or right within the issue range; 2018 must be JL, not JK. Preserve/test the separately serviced wheel-speed sensor and confirm VIN/ax…
On the 2007-2024 Jeep Wrangler, rubicon models use an electronic front sway-bar disconnect actuator (motor + gear + control electronics) so the bar can be uncoupled for off-road articulation. The actuator housing has poor sealing, and water from everyday puddles, rain, or shallow fording (well under the advertised wading depth) corrodes the internal motor, harness, and electrical contacts. The result is a sway bar that won't disconnect, won't reconnect (a safety concern at highway speed because it leaves the front bar uncoupled), and a 'Service 4WD' warning. Corrosion at the connector can also create a parasitic battery drain. The actuator is not serviceable as individual parts — Mopar sells the motor only as part of the complete actuator assembly, making it an expensive repair, which is why many owners convert to a manual disconnect.
Common Symptoms
Sway bar will not disconnect when the button is pressed
Sway bar will not reconnect/lock for highway driving
Service 4WD warning light illuminated
Sway bar disconnect light flashing or stuck on
Green corrosion on the actuator electrical connector
Parasitic battery drain / dead battery traced to the disconnect circuit
Failure appears or worsens after rain or a water crossing
How to Fix
Diagnose with a scan tool for sway-bar/4WD fault codes and inspect the actuator connector for green corrosion and water intrusion. Cleaning and re-seating a corroded connector or applying dielectric grease can restore function early on. Once the internal motor is corroded, replace the complete Mopar front disconnect stabilizer-bar actuator (PN 68044411AC); the bar assembly itself is PN 52060300AK. Many off-roaders instead install an aftermarket manual disconnect (e.g., EVO/Currie/Teraflex) to permanently eliminate the electronic failure point. Seal/relocate the connector and add dielectric grease to slow recurrence.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 68044411AC JK electronic stabilizer-bar actuator
OEMMopar 68044411AC
Replace the JK actuator after electrical testing and internal corrosion/failure are confirmed and the bar mechanism is serviceable Fitment/availability: 2007-2018 Wrangler JK Rubicon electronic-disconnect application; supersedes AA/AB.
Genuine Mopar 68251037AC complete front electric-disconnect stabilizer bar
OEMMopar 68251037AC / supersession 68601966AB
Complete early-JL bar/module replacement when the internal disconnect mechanism or integrated assembly is failed Fitment/availability: Cataloged 2018-2021 Wrangler JL application and superseded by 68601966AB; select by VIN/Rubicon equipm…
On the 2012-2023 Jeep Wrangler, wranglers (JK and JL) with a solid front axle are prone to 'death wobble' — a violent, self-reinforcing side-to-side oscillation of the front-end steering components and steering wheel, typically triggered by hitting a bump, expansion joint or pothole at speeds above ~45-55 mph. The solid axle cannot absorb impacts as well as independent suspension, and once worn or loose steering/suspension components (track bar, ball joints, tie rod ends, control arm bushings, steering damper, wheel bearings) are jarred out of equilibrium the front end shakes uncontrollably until the driver slows well down. NHTSA logged hundreds of complaints across JK and JL generations (450+ for JL alone, including 2019-2021 Rubicons). FCA repeatedly replaced the steering damper as a band-aid, often without curing the problem. A nationwide class action (Reynolds/Tucker v. FCA US, E.D. Mich.) settled in June 2023 covering ~1.1M 2018-2020 Wranglers / 2020 Gladiators, providing an extended warranty on the front steering damper and reimbursement for prior damper repairs.
Common Symptoms
Violent steering wheel and front-end shaking after hitting a bump at highway speed
Whole front end feels like it is about to fall apart
Shaking only stops after slowing well below the trigger speed
Often returns repeatedly even after a steering damper replacement
Worse on lifted Jeeps or with worn/loose track bar and ball joints
How to Fix
Diagnose and replace the actual worn component rather than just the damper: inspect the track bar (bar and both mounting points/bracket), front ball joints, tie rod ends, drag link, control arm bushings, and wheel bearings; re-torque or replace as needed and set front-end alignment. An upgraded/heavy-duty track bar and steering stabilizer help on lifted or high-mileage trucks. 2018-2020 owners should check eligibility for the class-action steering-damper extended warranty (up to 8 years/90,000 miles) and prior-repair reimbursement.
On the 2007-2018 Jeep Wrangler, on the Jeep Wrangler JK/JL, P0430 almost always points to a worn-out catalytic converter on the driver's side (Bank 2 is the driver side on the Jeep V6 — the reverse of many V-engines). The catalyst monitor compares the upstream and downstream oxygen sensors; as the converter's oxygen-storage capacity degrades, the downstream (Bank 2, Sensor 2) O2 signal begins to mirror the upstream sensor and the PCM sets P0430. On the 2012+ 3.6L Pentastar the primary converters are integrated into the exhaust manifolds, so a converter that has been contaminated by an upstream misfire or oil consumption (the 2011-2013 Pentastar left/Bank-2 cylinder-head tick is a classic precursor) is common. Before condemning the cat, a leaking exhaust flange or a lazy downstream O2 sensor should be ruled out, since either can mimic the code.
Common Symptoms
Check engine light on
Reduced fuel economy
Rotten-egg / sulfur exhaust smell
Sluggish acceleration in some cases
Often no obvious drivability change
How to Fix
Confirm with live O2 data at ~2000 RPM — a healthy downstream sensor stays fairly steady while the upstream fluctuates; if the downstream tracks the upstream, the converter is spent. Inspect for exhaust leaks and seized manifold bolts first. The accepted repair is replacing the Bank 2 catalytic converter (or manifold-with-integrated-cat on the 3.6L), and often the downstream O2 sensor at the same time. Address any underlying misfire or oil-consumption cause so the new converter isn't damaged.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Crown Automotive 52059930AH front exhaust pipe with four catalytic converters
OEMCrown 52059930AH
Replace the confirmed failed catalyst assembly on the early 3.8L branch Fitment/availability: 2007-2009 Wrangler JK 3.8L; federal/EPA application only as listed, not CARB-approved. Verify emissions label and state legality before purchase.
Genuine Mopar 68040901AB front catalytic-converter assembly
OEMMopar 68040901AB
Replace the confirmed failed catalyst assembly on the late 3.8L branch Fitment/availability: 2010-2011 Wrangler JK 3.8L; verify VIN, emissions family and CARB/EPA legality because retailer emissions claims conflict.
Replace the confirmed failed Bank 2 converter on the 3.6L branch Fitment/availability: 2012-2018 Wrangler JK 3.6L, left/driver Bank 2; verify VIN and emissions certification.
On the 2007-2021 Jeep Wrangler, p0442 on the Wrangler flags a small (~0.020-0.040 in) leak in the evaporative emissions system. On these Jeeps the two most common real-world sources are a loose, worn, or cracked fuel cap seal and a cracked rubber elbow/vent hose at the charcoal canister near the rear of the vehicle. Wranglers see a lot of trail dust, water crossings, and vibration, which ages the small rubber EVAP elbows and the o-ring on the fuel cap. Less commonly the purge valve, leak-detection pump, or the filler neck itself is the culprit. The code is emissions-only and typically causes no drivability problem, but it will fail an emissions/inspection test.
Start with the cheapest checks: make sure the fuel cap is clicked tight and inspect (or simply replace) the cap and its o-ring. If the code returns, smoke-test the EVAP system to pinpoint the leak — pay special attention to the vapor lines and the rubber elbow at the charcoal canister and to the purge and vent valves. Replace the failed cap, hose, valve, or canister as found and clear the code; the readiness monitor needs a few drive cycles to reset.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 52030387AB fuel-filler cap
OEMMopar 52030387AB
Replace a damaged or leaking cap after cap-seal and filler-neck inspection Fitment/availability: 2007-2018 Wrangler JK 3.8L/3.6L; distinguish 2018 JK from JL by VIN/body.
Replace a damaged or leaking cap on the applicable JL branch Fitment/availability: 2018-2019 and 2021 Wrangler JL 2.0L or 3.6L as cataloged; verify VIN.
Replace a damaged or leaking cap on the 2020 JL gasoline branch Fitment/availability: 2020 Wrangler JL 2.0L or 3.6L only; verify VIN. Fitment/availability: $34.31 shown; verify current checkout availability before ordering
On the 2007-2018 Jeep Wrangler, the JK-generation Jeep Wrangler uses Chrysler's Natural Vacuum Leak Detection (NVLD) approach for its evaporative emissions (EVAP) system, implemented through a leak detection device commonly called the ESIM (Evaporative System Integrity Module) or leak detection pump (LDP). Rather than an active vacuum pump, this module monitors natural temperature-induced pressure/vacuum changes in the fuel/EVAP system to confirm the system is sealed. The ESIM is a known, high-frequency failure point: its internal diaphragm/seal hardens or cracks (or the housing cracks), causing the ECM to falsely detect an EVAP leak even when the system is actually sealed. The result is a check-engine light and one of several EVAP leak codes. Because the very first thing the code points the owner toward is the fuel cap, this failure is routinely misdiagnosed: owners (and shops) replace the gas cap one or more times, the light returns, and the actual culprit is the cheap ESIM/leak-detection module bolted to the charcoal canister. The module is a small white rectangular unit that twists/mounts onto the EVAP charcoal canister, located beneath the vehicle near the fuel tank / just ahead of the rear axle (driver side on most JKs). It is non-safety, non-drivability affecting, but it will cause a persistent CEL and an emissions/smog-test failure. This affects the 3.8L V6 (2007-2011) and 3.6L Pentastar (2012-2018) JK Wranglers, including 2-door and Unlimited 4-door.
Common Symptoms
Check-engine light (MIL) illuminated
"GASCAP" / loose-fuel-cap warning message in the instrument cluster even when the cap is tight
P0455, P0456, and/or P0457 stored as the only codes
Check-engine light returns shortly after replacing or re-tightening the gas cap
Occasional faint fuel-vapor odor near the rear of the vehicle
Fails emissions / smog inspection (EVAP monitor not ready or DTC present)
No noticeable change in engine performance, power, or fuel economy
How to Fix
Diagnose in order of cost. (1) First, confirm the gas cap clicks shut and is not cracked; if the cap is worn, replace with an OEM Mopar cap (P0457 / "GASCAP" message especially). A cap is the cheapest fix (under $30). (2) If the light returns after a known-good cap, perform a smoke test of the EVAP system to find any cracked vapor hose, leaking purge valve, or split canister before condemning the module. (3) If no external leak is found and codes persist (classic for P0456 small-leak and P0455 large-leak with no physical leak present), replace the ESIM / leak detection pump on the charcoal canister. The module is widely available (e.g., Standard Motor Products LDP14 and Mopar equivalents) and the replacement is a DIY-friendly job — typically under 30 minutes, no special tools, by twisting the module off the canister and installing the new one. Always install the new O-ring/seal supplied with the module; a poor seal will recreate the leak code. After replacement, clear the codes and complete a drive cycle so the EVAP monitor can re-run and confirm the repair. Note: if the failure is actually the charcoal canister itself (cracked) rather than just the module, the repair is more involved and more expensive.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Dorman 310-215 Evaporative System Integrity Module
OEMDorman 310-215
Replace a test-confirmed failed ESIM after the cap and external EVAP system pass inspection/smoke testing Fitment/availability: Specific-fit ESIM cross for 2007-2018 Jeep applications and OE 4861962AA-AD/4891685AA-AB; confirm the Wrangle…
Genuine Mopar 52030387AB non-locking tethered fuel cap
OEMMopar 52030387AB
Replace a cracked, hardened or non-sealing cap as the lowest-cost confirmed leak path Fitment/availability: 2007-2018 Wrangler JK gasoline branch within this issue; the product also fits 2003-2006 TJ.
On the 2007-2023 Jeep Wrangler, owners across JK and JL hardtops report the rear (and occasionally quarter) tempered glass spontaneously exploding into pebbles with no impact — often while parked or driving normally. Tempered glass can fail from manufacturing-induced internal stress (nickel-sulfide inclusions, tempering-oven variance) that releases under temperature swings or pressure/altitude changes. A separate but related failure mode is the rear glass shattering when the vehicle is driven with the hardtop's flip-up rear glass left in the raised/open position. This is distinct from the already-documented thin-windshield chipping issue, and it is a recurring owner complaint.
Common Symptoms
Rear hardtop glass shatters into small pebbles with no impact
Glass explodes while parked or during normal driving
Loud bang followed by collapsed rear window
More likely during rapid temperature or altitude changes
Failure when driven with the flip-up rear glass left open
How to Fix
Replacement is the only fix for shattered tempered glass — source an OEM Mopar or quality aftermarket rear glass and re-bond/install per the hardtop type (bonded vs. flip-up). When in the warranty window, dealers have frequently replaced spontaneously-shattered glass under warranty with little pushback. Never drive with the flip-up rear glass raised, and avoid slamming the tailgate, to reduce stress-induced failures. Inspect the defrost grid wiring during replacement on heated rear glass.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Replace shattered heated rear glass on an early factory JK hardtop Fitment/availability: 2007-2010 Wrangler JK factory hardtop, heated green/clear solar tint, approximately 42 x 20 inches; measure the opening because later tops may have …
Replace the matching non-deep-tint/alternate-option JL backlite after VIN and glass-code confirmation Fitment/availability: 2018-2020 and 2022-2023 Wrangler JL within the issue range as explicitly cataloged; verify the 2021 VIN and optio…
Replace the matching deep/privacy-tint JL backlite after VIN and glass-code confirmation Fitment/availability: 2018-2023 Wrangler JL within the issue range; supersedes 68282135AF/AJ and related revisions.
On the 2007-2025 Jeep Wrangler, factory soft tops on the Wrangler are a recurring complaint source for excessive wind noise, water leaks, and zipper failures. The plastic front header bow gets hot in summer, bends/warps, and no longer mates cleanly to the windshield gasket, creating both wind noise and water intrusion. Zippers corrode, bind, and tear within months, and even small fabric tears amplify wind noise and grow over time. Base vinyl tops are noisier and leak-prone compared with the premium twill fabric.
For header warp, replace the OEM plastic front header with an aftermarket metal header to restore a proper seal (a commonly cited durable fix). Clean and lubricate zippers with proper zipper lubricant (not WD-40, which attracts grit); replace failed window zippers. Re-seat/replace door surround seals and check top alignment and hardware torque. For degraded or torn fabric, replace the soft top — twill is quieter and seals better than vinyl.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Replace a confirmed bowed or broken factory soft-top header Fitment/availability: 2007-2018 Wrangler JK two-door or Unlimited four-door with factory-grade soft top; distinguish 2018 JK from JL.
Bestop 11206-00 soft-top zipper cleaner and lubricant, 2 oz
OEMBestop 11206-00
Clean and lubricate intact soft-top window zippers after removing grit Fitment/availability: Universal soft-top zipper maintenance for JK/JL; not a repair for separated teeth, torn zipper tape, failed stitching or a broken slider. Fitmen…
Bestop 79846-17 black-twill Replace-A-Top with tinted windows
OEMBestop 79846-17
Replace failed fabric/windows while reusing sound factory bow hardware Fitment/availability: 2010-2018 Wrangler JK two-door only; requires factory frame/hardware and does not fit 2007-2009 JK or JL. Distinguish 2018 JK from JL.
Bestop 79847-17 black-twill Replace-A-Top with tinted windows
OEMBestop 79847-17
Replace failed fabric/windows while reusing sound factory bow hardware Fitment/availability: 2010-2018 Wrangler JK Unlimited four-door only; requires factory original hardware and does not fit two-door, 2007-2009 JK or JL. Fitment/availa…
Mopar black-twill complete soft-top kit for JL two-door
OEMMopar JL two-door twill kit (variant-specific)
Replace a degraded JL two-door top when a complete factory-style hardware kit is needed Fitment/availability: 2018-2025 Wrangler JL two-door; choose exact tinted/clear-window variant and verify model year/VIN.
Mopar 82215146 black-twill complete soft-top kit with tinted windows
OEMMopar 82215146
Replace a degraded JL four-door top when a complete factory-style hardware kit is needed Fitment/availability: 2018-2025 Wrangler JL Unlimited four-door; verify VIN, window tint and all supplied hardware.
On the 2007-2018 Jeep Wrangler, lifted Wranglers commonly experience driveshaft vibration due to changed driveline angles. Even stock Wranglers can have premature U-joint wear. The double-cardan front shaft is particularly prone to issues.
Common Symptoms
Vibration at 40-50 mph
Clunking when shifting 2WD to 4WD
Death wobble after hitting bump
Grinding from front driveshaft
U-joint caps rusted or seized
How to Fix
For lifted Jeeps: Install adjustable control arms to correct pinion angle. Upgrade to CV (constant velocity) driveshaft ($400-800) which handles extreme angles better. Replace worn U-joints with Spicer or Dana units. Grease all zerks every oil change. For severe vibration, transfer case drop kit may help ($100-200).
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Tom Wood's front 1310 double-cardan driveshaft for JK
OEMTom Wood's / Quadratec 52301-9900 or 52301-9920
Complete front-shaft replacement/upgrade after CV-joint, tube or lift-angle diagnosis confirms the front shaft path Fitment/availability: 2007-2018 Wrangler JK two- or four-door, with separate 2007-2011 and 2012-2018 selections; not 2018…
Tom Wood's rear 1310 double-cardan driveshaft for two-door JK
OEMTom Wood's / Quadratec 52301-9801 or 52301-9821
Complete rear-shaft replacement/upgrade after diagnosis confirms the compatible two-door rear branch Fitment/availability: 2007-2018 Wrangler JK two-door only, with separate 2007-2011 and 2012-2018 selections. Do not use for Unlimited fo…
High ConfidenceVerified2,341 owner reportsLast reported by owners Feb 2024Reviewed Feb 2026
On the 2007-2018 Jeep Wrangler, on JK-generation Wranglers the exhaust manifolds and their gaskets are a well-known weak point, and when the driver-side (bank 2) manifold develops a hairline crack or the gasket at the head or the manifold-to-downpipe joint starts leaking, the leak sits directly upstream of the bank 2 sensor 1 oxygen sensor. Every exhaust pulse pulls a slug of ambient air in through the crack on the low-pressure part of the cycle. That fresh air dilutes the exhaust stream reaching the sensor tip, which flattens the sensor's rich-to-lean and lean-to-rich transitions. The PCM does not see a dead sensor - it sees a sensor whose switch time has stretched past the calibrated threshold - so it stores P0153 rather than a circuit or heater fault. The tell-tale signature of this failure is that the code returns days or weeks after a new bank 2 sensor 1 is installed, sometimes twice, because the sensor was never the defect. Owners on the JK and Jeep enthusiast forums repeatedly describe replacing the sensor, clearing the code, and having P0153 come back on the next few drive cycles until a crack was found in the bank 2 manifold. Because the same mechanism can affect the other side, P0133 (bank 1 sensor 1) frequently appears alongside it, and a pair of slow-response codes on both banks is a strong hint that the problem is exhaust integrity or fuel delivery, not two sensors that failed the same week. Long-term fuel trims on the affected bank usually run positive at idle and pull back toward zero at higher load, which is the classic fingerprint of a leak that gets overwhelmed by exhaust pressure as rpm rises.
Common Symptoms
Check engine light on with P0153, sometimes with P0133
Ticking or puffing noise from the driver-side exhaust manifold when cold that quiets as the engine warms
Code returns within days after a new bank 2 upstream oxygen sensor is installed
Reduced fuel economy
Slight roughness or hesitation at idle
Positive long-term fuel trim on bank 2 at idle that normalizes at higher rpm
How to Fix
Do not start by replacing the sensor. With the engine cold, run it at idle and listen at the driver-side manifold-to-head flange and along the manifold body for a soft ticking or puffing that quiets as the assembly heats and the crack closes - the noise fading with warm-up is itself diagnostic of a crack rather than a gasket. Smoke-test the exhaust from the tailpipe with the cats blocked, or use a propane or carb-cleaner test near the flange while watching short-term fuel trim on a scan tool; a leak will show an immediate trim swing. Inspect the manifold studs, since broken or backed-out fasteners at the end cylinders produce the same leak without any visible crack. Where the manifold is cracked, replace it with a new manifold and gasket set and new studs and nuts; expect at least one seized or snapped stud that has to be drilled and extracted or heli-coiled, which is where most of the labor cost lives. If the manifold is sound and the leak is only at the gasket or the downpipe donut, a gasket and hardware replacement resolves it. Only after the exhaust is sealed should you evaluate the bank 2 sensor 1 signal itself: with the engine at operating temperature, watch the sensor's switching rate in graph mode - a healthy upstream sensor crosses 450 mV several times per second and swings roughly 0.1 V to 0.9 V. If it is still lazy after the leak is fixed, replace it with an OE-grade Mopar or NTK/Denso sensor rather than a generic universal unit, as splice-in universal sensors are a repeat offender for slow-response codes. Clear the code and complete a full drive cycle to confirm the O2 sensor monitor runs and passes.
On the 2012-2018 Jeep Wrangler 3.6L Pentastar V6, the 3.6L Pentastar JK uses a single electric radiator fan driven by a pulse-width-modulated (PWM) duty-cycle signal from the TIPM rather than a simple on/off relay. The integrated fan motor/controller fails, or the PWM signal circuit faults, so the fan won't spin up at speed — causing overheating in traffic and on trails and setting P0480 (Cooling Fan 1 Control Circuit). Because the fan is commanded by the TIPM through a 3-wire design, the fault can lie in the fan module, the signal wire, grounds (G102 near the passenger headlight), or the TIPM itself, which makes it tricky to diagnose. Overheating risks head/gasket damage on a Pentastar.
Common Symptoms
Engine overheats at idle / low speed / in traffic
Temperature climbs while crawling off-road
Radiator fan not spinning or not ramping to high speed
Check-engine light with P0480
A/C performance drops because condenser airflow is lost
How to Fix
Scan for P0480 and confirm whether the fan responds to the PWM command. Check the fan ground at G102 and the brown/light-blue signal wire from the TIPM before condemning parts. Replace the electric cooling-fan module/assembly if the integrated motor/controller is dead; if commands aren't reaching the fan, investigate the TIPM (overlaps the known TIPM-failure issue). Verify coolant level/condition and that the radiator isn't clogged. Test by idling with A/C on and confirming high-speed fan engagement.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Dorman 621-601 complete brushless radiator fan and shroud assembly
OEMDorman 621-601
Complete fan-module replacement after commanded testing confirms correct power/ground/control but failed fan response Fitment/availability: 2012-2017 Wrangler and 2018 Wrangler JK 3.6L application; crosses Mopar 68143894AA/AB. Confirm ex…
On the 2012-2025 Jeep Wrangler, wranglers equipped with the ZF-based 8-speed automatic (845RE/850RE/8HP) are widely reported to shift harshly or jerk, especially the 1-2 shift and when accelerating from a stop, plus delayed engagement when moving from Park to Drive or Reverse. Many cases are resolved by a Transmission Control Module (TCM) software/calibration reflash, while others stem from low or degraded transmission fluid, a failing valve body, or a worn shift solenoid. NHTSA and J.D. Power survey data show higher-than-class-average shifting complaint rates. Unexpected downshifts that flare engine RPM and overheating during towing/off-road are also documented.
Start with the latest TCM/PCM calibration flash from the dealer (many harsh-shift complaints are a software fix). Verify transmission fluid level and condition using the correct fill procedure and ZF-spec fluid; perform a fluid/filter service if dark or burnt. If shifting faults persist, diagnose the valve body and shift solenoids; relearn shift adaptives after any service. Severe internal failures require valve body or transmission replacement.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Separate filter branch for a VIN-confirmed non-PHEV JL eight-speed pan-drop service Fitment/availability: Shown with the 68362041AC metal-pan family in Mopar diagrams. Confirm transmission, engine and VIN; do not apply automatically to t…
On the 2007-2022 Jeep Wrangler, the fuel-level sending unit, integrated with the in-tank fuel pump module, develops a worn resistance card or a bent/sticking float arm with age. This causes the fuel gauge to read inaccurately, stick (often above or below a certain level), drop suddenly, or trigger a false low-fuel light. On JL models it can also set P0463 (fuel-level sensor circuit high) and on inclines the gauge may briefly read empty until the vehicle is back on level ground. A persistent fault sometimes traces to chassis-harness wiring rather than the sender itself.
Common Symptoms
Fuel gauge reads inaccurately or sticks
Gauge drops or jumps suddenly
False low-fuel warning light
Gauge reads empty on an incline, normal on level ground
DTC P0463 / fuel-level circuit codes (JL)
How to Fix
Verify with a scan tool (look for P0461/P0462/P0463) and test sender resistance through its range with a multimeter; a faulty sender reads out of the expected ohm band. Replace the fuel-level sender/fuel-pump module assembly (the sender is part of the in-tank pump module on these models). If a new sender doesn't fix it, inspect/repair the chassis wiring harness to the tank — some JL cases were resolved only by harness replacement. Confirm correct part for the specific tank/engine.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Genuine Mopar 68003339AG fuel pump/level unit module kit
OEMMopar 68003339AG
Replace a test-confirmed sender/module fault on the early JK build branch Fitment/availability: 2007-2011 Wrangler JK 3.8L built up to and including 03/30/2011; confirm VIN/build date and tank option.
Genuine Mopar 68065575AF fuel pump/level unit module kit
OEMMopar 68065575AF
Replace a test-confirmed sender/module fault on the late-JK build branch Fitment/availability: Wrangler JK built after 03/30/2011 through 2018, primarily 3.6L within this issue; 2018 must be JK. Confirm VIN/tank option; not JL.
Genuine Mopar 68723023AA 3.6L fuel pump/level unit module kit
OEMMopar 68723023AA
Replace a test-confirmed sender/module fault on the JL 3.6L gasoline branch Fitment/availability: 2018-2022 Wrangler JL 3.6L gasoline/eTorque within this issue; product coverage extends later.
Genuine Mopar 68723024AA 2.0L fuel pump/level unit module kit
OEMMopar 68723024AA / supersedes 68403980AF
Replace a test-confirmed sender/module fault on the JL 2.0L gasoline branch Fitment/availability: 2018-2022 Wrangler JL 2.0L non-PHEV gasoline within this issue; select the current 68723024AA supersession of 68403980AF and confirm VIN/tank.
On the 2007-2018 Jeep Wrangler, the HVAC blend-door actuator's plastic internal gears strip with age and cycling, so the motor can no longer drive the temperature blend door. The classic symptom is a repetitive clicking/knocking from behind the dash (often the passenger side) as the actuator hunts against a door it can't move, plus the cabin getting stuck on only-hot or only-cold air regardless of the temperature setting. It is a very common, high-search JK complaint and an inexpensive DIY part, though dash access can be fiddly.
Common Symptoms
Repetitive clicking/knocking behind the dashboard
Cabin stuck on only hot or only cold air
Temperature setting has no effect
Clicking changes/stops when the temp knob is moved
Noise present whenever the ignition is on
How to Fix
Confirm the click tracks with temperature-knob movement and that air temperature won't change. Replace the blend-door actuator (Crown/Mopar 68018109AA for 2011-2018 JK; verify the correct actuator for dual-zone vs single-zone and the specific door). Recalibrate by cycling the temperature controls / battery reset so the HVAC module relearns door travel. Inspect the blend door for binding before installing the new actuator so the replacement doesn't strip prematurely.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
Crown 68000470AA A/C and heater door actuator
OEMCrown 68000470AA
Replace the command-tested failed actuator on the early-JK HVAC box after confirming the door moves freely Fitment/availability: 2007-2010 Wrangler JK; verify exact HVAC door position and connector.
Replace the command-tested failed actuator on the later-JK HVAC box after confirming the door moves freely Fitment/availability: 2011-2018 Wrangler JK; retailer notes use at multiple distribution/heater-housing positions, so visually mat…
Chrysler (FCA US, LLC) is recalling certain 2021-2025 Jeep Wrangler, Wrangler 4XE, and Jeep Gladiator vehicles. The electric hydraulic power steering pump wiring may overheat and cause a vehicle fire, even when the vehicle is parked with the ignition in the "Off" position.
Campaign #26V36300004/06/2026
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."
Campaign #24V67600012/09/2024
EXTERIOR LIGHTING:TAIL LIGHTS
Chrysler (FCA US, LLC) is recalling certain 2024 Jeep Wrangler vehicles. The vehicles are equipped with incorrect tail lights that may be obstructed by the spare tire. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
The TIPM can develop internal relay failures causing various electrical problems including fuel pump not activating, horn honking randomly, wipers activating on their own, and other erratic electrical behavior. This is a well-known issue across Chrysler vehicles. Repairs typically run $200-$1,200. Severity: high.
What is the 2012-2018 Jeep Wrangler TIPM (Totally Integrated Power Module) failure — fuel pump relay & random electrical faults?
The TIPM is the integrated fuse/relay power-distribution module controlling most electrical systems. On many 2007-2018 Chrysler/Jeep vehicles, including the JK Wrangler, the internal fuel-pump relay (and later the other relays) degrades. The first symptom is usually a fuel-pump-r… Repairs typically run $100-$1,200. Severity: high.
What is the 2012-2023 Jeep Wrangler Death Wobble: violent front-end shaking at highway speed (solid front axle)?
Wranglers (JK and JL) with a solid front axle are prone to 'death wobble' — a violent, self-reinforcing side-to-side oscillation of the front-end steering components and steering wheel, typically triggered by hitting a bump, expansion joint or pothole at speeds above ~45-55 mph. Repairs typically run $150-$1,200. Severity: high.
What is the 2012-2017 Jeep Wrangler 3.6L Pentastar V6 left cylinder head failure / engine tick (early build)?
Early 3.6L Pentastar V6 Wranglers (especially 2012 and early-2013 builds) suffered a left (driver-side) cylinder head defect where the head would overheat and damage a valve seat/guide, causing low compression, a persistent ticking/tapping noise (often described as a 'left bank t… Repairs typically run $1,000-$4,500. Severity: high.
What is the 2012-2020 Jeep Wrangler 3.6L Pentastar Rocker Arm / Lifter Needle-Bearing Failure — Valvetrain Tick, Misfire & Cam Damage?
The 3.6L Pentastar V6 used in JK (2012-2018) and JL (2018+) Wranglers suffers a documented valvetrain failure separate from the engine's oil-consumption problem. The needle roller bearings inside the rocker arms wear prematurely, loosen, and can drop out, shifting the rocker arm… Repairs typically run $1,300-$4,000. Severity: high.
What is the 2007-2017 Jeep Wrangler Steering Column Clockspring Failure — Airbag Warning Light, Dead Horn / Cruise / Wheel Controls?
The clockspring (a coiled ribbon-cable assembly behind the steering wheel that maintains electrical continuity to the driver airbag, horn, cruise control, and steering-wheel radio controls while the wheel turns) is a chronic Wrangler failure point, aggravated by off-road dust int… Repairs typically run $200-$600. Severity: high.
What is the 2007-2018 Jeep Wrangler Front/Rear Driveshaft Vibration and U-Joint Wear?
Lifted Wranglers commonly experience driveshaft vibration due to changed driveline angles. Even stock Wranglers can have premature U-joint wear. The double-cardan front shaft is particularly prone to issues. Repairs typically run $200-$1,500. Severity: medium.
What is the 2012-2018 Jeep Wrangler Pentastar V6 Oil Consumption?
The 3.6L Pentastar V6 can consume oil at a rate higher than expected, sometimes requiring oil top-ups between changes. This is often related to piston ring design or valve guide seals. Chrysler considers up to 1 quart per 2,000 miles as within normal range. Repairs typically run $0-$3,500. Severity: medium.
What is the 2007-2018 Jeep Wrangler Cracked Exhaust Manifold Draws Air Past the Driver-Side Upstream O2 Sensor?
On JK-generation Wranglers the exhaust manifolds and their gaskets are a well-known weak point, and when the driver-side (bank 2) manifold develops a hairline crack or the gasket at the head or the manifold-to-downpipe joint starts leaking, the leak sits directly upstream of the… Repairs typically run $450-$1,500. Severity: medium.
What is the 2007-2018 Jeep Wrangler P0430 — Failed Driver-Side (Bank 2) Catalytic Converter on the Pentastar/3.8L V6?
On the Jeep Wrangler JK/JL, P0430 almost always points to a worn-out catalytic converter on the driver's side (Bank 2 is the driver side on the Jeep V6 — the reverse of many V-engines). The catalyst monitor compares the upstream and downstream oxygen sensors; as the converter's o… Repairs typically run $300-$1,500. Severity: medium.
What is the 2012-2025 Jeep Wrangler 3.6L Pentastar Plastic Oil Cooler / Filter Housing Cracking & Oil Leak?
The 3.6L Pentastar's combined oil cooler and oil filter housing adapter sits in the engine valley and is made of plastic that hardens, warps, and cracks under sustained underhood heat — it can also crack from over-tightening the oil filter cap. The resulting oil (and sometimes co… Repairs typically run $150-$700. Severity: medium.
What is the 2012-2018 Jeep Wrangler 3.6L PWM Electric Cooling Fan Failure — Overheating & P0480?
The 3.6L Pentastar JK uses a single electric radiator fan driven by a pulse-width-modulated (PWM) duty-cycle signal from the TIPM rather than a simple on/off relay. The integrated fan motor/controller fails, or the PWM signal circuit faults, so the fan won't spin up at speed — ca… Repairs typically run $150-$700. Severity: medium.
What is the 2007-2025 Jeep Wrangler Front Wheel Hub/Bearing Assembly Failure (Integrated ABS Sensor) — Grinding & ABS Light?
Front (and sometimes rear) sealed wheel hub/bearing assemblies are a high-wear item on JK and JL Wranglers, especially on lifted rigs running larger tires that load the bearing harder. As the bearing wears it produces a speed-dependent grinding, rumbling, or humming that changes… Repairs typically run $150-$600. Severity: medium.
What is the 2012-2021 Jeep Wrangler P0011 — Intake Cam Timing Over-Advanced from Stuck Oil Control Valve / Dirty Oil (3.6L Pentastar only)?
P0011 tells you the Bank 1 intake camshaft is stuck (or lagging) in the over-advanced position — the PCM commanded a phaser position it can't achieve. This code applies to the 3.6L Pentastar V6 (2012+ JK/JL), which uses dual VVT with a cam phaser on each of the four camshafts con… Repairs typically run $50-$500. Severity: medium.
What is the 2007-2023 Jeep Wrangler Hardtop Rear Tempered Glass Spontaneous Shattering?
Owners across JK and JL hardtops report the rear (and occasionally quarter) tempered glass spontaneously exploding into pebbles with no impact — often while parked or driving normally. Tempered glass can fail from manufacturing-induced internal stress (nickel-sulfide inclusions,… Repairs typically run $200-$800. Severity: medium.
What is the 2012-2025 Jeep Wrangler 8HP 8-Speed Automatic Harsh/Jerky Shifting and Delayed Engagement?
Wranglers equipped with the ZF-based 8-speed automatic (845RE/850RE/8HP) are widely reported to shift harshly or jerk, especially the 1-2 shift and when accelerating from a stop, plus delayed engagement when moving from Park to Drive or Reverse. Many cases are resolved by a Trans… Repairs typically run $150-$3,500. Severity: medium.
What is the 2007-2024 Jeep Wrangler Electronic Sway Bar Disconnect Failure (Rubicon) — Water Ingress & Corrosion?
Rubicon models use an electronic front sway-bar disconnect actuator (motor + gear + control electronics) so the bar can be uncoupled for off-road articulation. The actuator housing has poor sealing, and water from everyday puddles, rain, or shallow fording (well under the adverti… Repairs typically run $200-$1,800. Severity: medium.
What is the 2007-2018 Jeep Wrangler Electronic Throttle Control Limp Mode — Red Lightning Bolt (Throttle Body / TPS / APP Sensor)?
JK Wranglers use a drive-by-wire electronic throttle. A fault in the electronic throttle body, the integrated throttle position sensor (TPS), the accelerator pedal position (APP) sensor, or their wiring/connectors triggers the red lightning-bolt warning, often together with the t… Repairs typically run $50-$450. Severity: medium.
What is the 2007-2022 Jeep Wrangler Fuel Level Sender Failure — Inaccurate/Stuck Fuel Gauge (P0463)?
The fuel-level sending unit, integrated with the in-tank fuel pump module, develops a worn resistance card or a bent/sticking float arm with age. This causes the fuel gauge to read inaccurately, stick (often above or below a certain level), drop suddenly, or trigger a false low-f… Repairs typically run $120-$600. Severity: low.
