BMW DTC C055C – ABS Pump Motor Supply Circuit ‘A’ Range/Performance
DTC C055C meaning on BMW
DTC C055C on a BMW refers to an issue with the ABS Pump Motor Supply Circuit ‘A’, indicating a range/performance problem. This fault code is specific to the anti-lock braking system (ABS) of the vehicle.
BMW DTC C055C symptoms
Symptoms of DTC C055C on a BMW may include:
- ABS warning light illuminated on the dashboard
- ABS system not functioning properly
- Loss of traction control
- Unusual noises coming from the ABS pump motor
BMW DTC C055C causes
The common causes of DTC C055C on a BMW include:
- Faulty ABS pump motor
- Wiring or connection issues in the ABS pump motor circuit
- Low voltage supply to the ABS pump motor
- Internal ABS control module fault
BMW DTC C055C seriousness
DTC C055C should be taken seriously as it affects the proper functioning of the ABS system in the vehicle. Driving with a malfunctioning ABS system can compromise safety, especially during emergency braking situations or in slippery road conditions.
How to diagnose DTC C055C on BMW
To diagnose DTC C055C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ABS system
- Inspect the ABS pump motor and its wiring for any visible damage or corrosion
- Check the voltage supply to the ABS pump motor
- Perform a functional test of the ABS system to identify any abnormalities
How to fix DTC C055C on BMW
Fixing DTC C055C on a BMW may involve the following steps:
- Replace the faulty ABS pump motor if necessary
- Repair any damaged wiring or connections in the ABS pump motor circuit
- Ensure proper voltage supply to the ABS pump motor
- If the issue persists, consider replacing the ABS control module
How to erase DTC C055C on BMW
To erase DTC C055C on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the ABS system. After fixing the underlying issue causing the fault code, the ABS warning light should no longer be illuminated, indicating that the fault has been resolved.
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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