BMW DTC C003E – Rear Wheel Speed Sensor Supply
DTC C003E meaning on BMW
DTC C003E on a BMW refers to a fault with the Rear Wheel Speed Sensor Supply. This diagnostic trouble code indicates an issue with the power supply to the rear wheel speed sensor in the vehicle’s anti-lock braking system (ABS).
BMW DTC C003E symptoms
Symptoms of DTC C003E on a BMW may include:
- ABS warning light illuminated on the dashboard
- ABS system not functioning properly
- Loss of traction control
- Unusual braking behavior
BMW DTC C003E causes
Common causes of DTC C003E on a BMW include:
- Faulty rear wheel speed sensor
- Wiring or connector issues in the rear wheel speed sensor circuit
- Power supply problems to the rear wheel speed sensor
BMW DTC C003E seriousness
The seriousness of DTC C003E on a BMW lies in the compromised functionality of the ABS system. Driving with a faulty rear wheel speed sensor supply can affect the vehicle’s ability to maintain traction and stability during braking, potentially compromising safety.
How to diagnose DTC C003E on BMW
To diagnose DTC C003E on a BMW, you can:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the rear wheel speed sensor and its wiring for damage or corrosion
- Check the power supply to the rear wheel speed sensor for proper voltage
How to fix DTC C003E on BMW
To fix DTC C003E on a BMW, you may need to:
- Replace the faulty rear wheel speed sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Ensure the power supply to the rear wheel speed sensor is functioning correctly
How to erase DTC C003E on BMW
To erase DTC C003E on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After fixing the underlying issue, perform a drive cycle to ensure the fault does not reoccur
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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