BMW DTC C10A4 – Brake Pedal Position Sensor ‘B’ Supply Voltage Circuit High
DTC C10A4 meaning on BMW
The DTC C10A4 error code on a BMW indicates an issue with the Brake Pedal Position Sensor ‘B’ Supply Voltage Circuit being too high. This sensor is responsible for detecting the position of the brake pedal and sending signals to the vehicle’s control modules.
BMW DTC C10A4 symptoms
Symptoms of the BMW DTC C10A4 may include:
- Malfunction indicator light (MIL) illuminated on the dashboard
- Brake system warning light may be on
- Brake pedal may feel abnormal or unresponsive
BMW DTC C10A4 causes
Common causes of the BMW DTC C10A4 error code include:
- Faulty brake pedal position sensor ‘B’
- Short circuit or open circuit in the sensor wiring
- Issues with the brake pedal position sensor power supply
BMW DTC C10A4 seriousness
The DTC C10A4 error code should not be ignored as it relates to the brake pedal position sensor, which is crucial for the proper functioning of the vehicle’s braking system. Driving with this issue unresolved may compromise the safety and performance of the brakes.
How to diagnose DTC C10A4 on BMW
To diagnose the DTC C10A4 on a BMW, you can:
- Use a diagnostic scanner to retrieve the error code and related data
- Inspect the brake pedal position sensor ‘B’ and its wiring for any visible damage or issues
- Check the power supply to the sensor for proper voltage
How to fix DTC C10A4 on BMW
To fix the DTC C10A4 on a BMW, you may need to:
- Replace the faulty brake pedal position sensor ‘B’
- Repair any damaged wiring or connections related to the sensor
- Ensure the power supply to the sensor is functioning correctly
How to erase DTC C10A4 on BMW
To erase the DTC C10A4 on a BMW, you can:
- Use a diagnostic scanner to clear the error code after the issue has been resolved
- Ensure that the repair or replacement of the sensor has been completed successfully
- Perform a test drive to confirm that the error code does not reappear
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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