BMW DTC C10AA – Brake System Control Module 14V Power Supply Circuit Low
DTC C10AA meaning on BMW
The DTC C10AA on a BMW refers to a fault in the Brake System Control Module’s 14V Power Supply Circuit. This fault indicates that the voltage supply to the brake system control module is lower than the specified threshold, leading to potential issues in the brake system’s operation.
BMW DTC C10AA symptoms
Symptoms of the DTC C10AA on a BMW may include:
- Malfunction indicator light (MIL) illuminated on the dashboard
- Brake system warning light may be illuminated
- Loss of power assistance in the braking system
- Brake system may feel unresponsive or erratic
BMW DTC C10AA causes
The DTC C10AA on a BMW can be caused by various factors, including:
- Faulty wiring or connectors in the 14V power supply circuit
- Defective brake system control module
- Issues with the vehicle’s battery or charging system
BMW DTC C10AA seriousness
The DTC C10AA is a serious fault as it directly affects the power supply to the brake system control module. Driving with this fault unresolved can compromise the vehicle’s braking performance and safety. It is recommended to address this issue promptly.
How to diagnose DTC C10AA on BMW
To diagnose the DTC C10AA on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system
- Inspect the wiring and connectors in the 14V power supply circuit for any damage or loose connections
- Check the battery voltage and charging system to ensure they are operating within specifications
- Test the brake system control module for proper functionality
How to fix DTC C10AA on BMW
To fix the DTC C10AA on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors in the 14V power supply circuit
- Replace the brake system control module if found to be faulty
- Ensure the vehicle’s battery and charging system are in good working condition
- Clear the fault codes using a diagnostic scanner after the repairs have been completed
How to erase DTC C10AA on BMW
To erase the DTC C10AA on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the underlying issue causing the fault code has been addressed and resolved, the mechanic can then erase the DTC C10AA code to reset the system and 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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