P0581 on 2007-2017 Jeep Wrangler (Sport, Sahara, Rubicon, Unlimited) — Cruise Control Multi-Function Input "A" Circuit High
1 vehicles · 1 makes · $200-$600 repair
Most Reported On
P0581 is an OBD-II diagnostic trouble code meaning “Cruise Control Multi-Function Input "A" Circuit High.” The PCM detects voltage on the cruise control multi-function input 'A' circuit that is higher than expected (short to voltage or open). The input signal is invalid. This code is most commonly reported on 2007-2017 Jeep Wrangler (Sport, Sahara, Rubicon, Unlimited), with repair costs ranging from $200 to $600.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
This is a powertrain code, so a basic OBD-II reader can read it. These read P0581.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple code reader for engine (P) codes on many compatible OBD-II vehicles. It does not support every vehicle or hybrid/EV application, and it does NOT read body, chassis or network codes; confirm exact-vehicle compatibility before buying.
- Read & clear engine (P) codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth scanner with a companion app that reads beyond the engine module — ABS, SRS and transmission — plus manufacturer-specific codes on many vehicles.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X V3.0 Elite OBD-II Scanner
by LAUNCH
Handheld scanner covering the four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level tablet with all-system coverage and bi-directional control, so you can command a module rather than only read it.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
What you can do yourself, and what needs a shop
Reading the code, clearing it, and watching whether it returns is a driveway job with the right scanner. These steps are not:
- Module programming or software updates — needs the manufacturer software or a J2534 pass-through with a paid subscription.
- Replacing a control module — most are VIN-programmed and immobilizer-registered, so a new one does nothing until it is coded to your car.
- Airbag/SRS component work — a stored fault can deploy a live device.
If the vehicle is still under warranty, check for an open recall or technical service bulletin before buying anything — the repair may already be covered.
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FAQ
What does P0581 mean?
P0581 stands for "Cruise Control Multi-Function Input "A" Circuit High." The PCM detects voltage on the cruise control multi-function input 'A' circuit that is higher than expected (short to voltage or open). The input signal is invalid.
What are the most common causes of P0581?
The most common causes of P0581 are: Short to voltage in switch wiring, Open circuit in the input circuit, Faulty cruise/multi-function switch, Corroded/loose connector. The specific cause varies by vehicle.
How much does it cost to fix P0581?
Repair costs for P0581 range from $200 to $600, depending on the vehicle and root cause.
Which vehicles are affected by P0581?
Au7o has documented P0581 across 1 vehicle models from 1 manufacturers: Jeep.
Sources (4)
- RecallNHTSA Safety Recall S40 / 16V-288 — Airbag Clockspring (2011-2016 RHD Wrangler)
- TSBClockspring Replacement (X68 Warranty Extension) — 2011-2016 Wrangler
- articleJeep Wrangler Clockspring / Airbag Problems Investigated — CarComplaints.com
- ForumClockspring - Warranty Letter: Extended for 15yrs — Jeep Wrangler Forum
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.