C003A on 2022-2024 Jeep Grand Wagoneer — Right Rear Wheel Speed Sensor Circuit
1 vehicles · 1 makes · $250-$1,200 repair
How to diagnose and fix C003A: most-reported vehicles
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Jeep Grand Wagoneer · 2022–2024
NHTSA complaints and owner reports describe intermittent ABS/ESC warnings on Grand Wagoneer tied to wheel speed sensor signal loss or erratic readings, sometimes after wet weather or road debris impacts. When the system detects implausible wheel speed data, it can disable ABS/ESC functions and illuminate multiple warnings.
Common Symptoms
- ABS light on
- ESC/traction control light on
- Cruise control disabled
- Brake pedal pulsation changes or ABS inoperative message
- Intermittent warnings that reset after key cycle
How to Fix
Scan for ABS module faults, inspect wheel speed sensors and wiring at each hub, and check tone rings/encoder surfaces for damage or contamination. Replace the affected wheel speed sensor/hub assembly as needed and clear codes; verify with a road test and live wheel-speed data.
What you need to fix it
Only diagnosis- and fitment-reviewed repair parts are linked here.
- Genuine Mopar 68609615AA front-left wheel-speed sensor with auto levelOEMMopar 68609615AA
Front-left sensor replacement after live data and circuit inspection isolate that corner on an auto-level vehicle Fitment/availability: 2022-2025 Grand Wagoneer, driver-side front, with auto level. Not the passenger side, rear axle or wi…
- Genuine Mopar 68609616AA front-right wheel-speed sensor with auto levelOEMMopar 68609616AA
Front-right sensor replacement after live data and circuit inspection isolate that corner on an auto-level vehicle Fitment/availability: 2022-2024 Grand Wagoneer, passenger-side front, with auto level. Not the driver side, rear axle or w…
- Genuine Mopar 68424418AD front wheel-speed sensor without auto levelOEMMopar 68424418AD
Front sensor replacement after diagnosis on a vehicle confirmed not to have auto level Fitment/availability: 2022 Grand Wagoneer front left or right without auto level according to the exact catalog. Confirm VIN and later-year supersessi…
- Genuine Mopar 68422140AA front hub-and-bearing assemblyOEMMopar 68422140AA
Confirm VIN/current supersession and do not use for an isolated sensor/wiring fault or rear axle.
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Sources for this issue (1)
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C003A code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does C003A mean?
C003A stands for "Right Rear Wheel Speed Sensor Circuit." C003A is a chassis/brake code indicating a fault in the right rear wheel speed sensor circuit. The ABS module uses this sensor to track right-rear wheel rotation for anti-lock braking, traction control, and stability control, and stores the code when it detects an open, short, or implausible signal. The ABS, traction, and stability control warning lights commonly illuminate and those systems may be deactivated, while base braking usually still works.
What are the most common causes of C003A?
The most common causes of C003A are: Failed right rear wheel speed sensor, Damaged or chafed sensor wiring, Corroded or loose sensor connector, Damaged or contaminated tone/reluctor ring, Excessive air gap or wheel bearing play, ABS control module fault. The specific cause varies by vehicle.
How much does it cost to fix C003A?
Repair costs for C003A range from $250 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by C003A?
Au7o has documented C003A across 1 vehicle models from 1 manufacturers: Jeep.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.