C003E
Rear Wheel Speed Sensor Supply
C003E is an OBD-II diagnostic trouble code meaning: Rear Wheel Speed Sensor Supply. Common causes: open or short circuit in the sensor wiring harness, oxidation or poor contact in the sensor connector. Estimated repair cost: $22–167.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- ABS and ESP systems may turn off
- Unstable operation of the stabilization system
- Errors in cruise control operation (if equipped)
Causes
- Open or short circuit in the sensor wiring harness
- Oxidation or poor contact in the sensor connector
- Wheel speed sensor malfunction
- Problems with the ABS/ESP module
How to Fix
- Check the integrity of the wiring harness to the sensor
- Clean the contacts in the sensor connector
- Check the resistance and output signal of the sensor
- Replace damaged sensor if necessary
- Check for ABS module software updates
- Clean or replace damaged sections of the harness
Related codes
Error C003E by Vehicle Brand
FAQ
What does the C003E code mean?
C003E is an OBD-II diagnostic trouble code that indicates: Rear Wheel Speed Sensor Supply
What causes a C003E error code?
The most common causes of C003E include: Open or short circuit in the sensor wiring harness; Oxidation or poor contact in the sensor connector; Wheel speed sensor malfunction; Problems with the ABS/ESP module.
How do I fix a C003E diagnostic trouble code?
To fix C003E: Check the integrity of the wiring harness to the sensor. Clean the contacts in the sensor connector. Check the resistance and output signal of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C003E?
Do not drive — repair immediately
How much does it cost to fix C003E?
The estimated repair cost for C003E is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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