C1081 – BMW DTC

BMW DTC C1081 – Brake System Control Module Voltage High

DTC C1081 meaning on BMW

DTC C1081 on a BMW indicates that the Brake System Control Module has detected a high voltage condition. This means that the voltage being supplied to the control module is above the specified threshold, which can lead to issues with the proper functioning of the brake system.

BMW DTC C1081 symptoms

Symptoms of DTC C1081 on a BMW may include:

• ABS warning light illuminated on the dashboard
• Brake system malfunctions
• Loss of ABS functionality

BMW DTC C1081 causes

The high voltage condition indicated by DTC C1081 on a BMW can be caused by various factors, including:

• Faulty wiring or connections in the brake system
• Defective Brake System Control Module
• Issues with the vehicle’s battery or charging system

BMW DTC C1081 seriousness

DTC C1081 should be taken seriously as it can affect the proper operation of the brake system, potentially compromising the vehicle’s safety. It is important to address this issue promptly to ensure the brakes function correctly.

How to diagnose DTC C1081 on BMW

To diagnose DTC C1081 on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the Brake System Control Module
2. Inspect the wiring and connections in the brake system for any damage or corrosion
3. Check the voltage output of the battery and charging system
4. Test the Brake System Control Module for proper functionality

How to fix DTC C1081 on BMW

To fix DTC C1081 on a BMW, the following steps may be taken:

1. Repair or replace any damaged wiring or connections in the brake system
2. Replace the faulty Brake System Control Module, if necessary
3. Ensure the vehicle’s battery and charging system are operating correctly
4. Clear the fault codes using a diagnostic scanner after the repairs have been made

How to erase DTC C1081 on BMW

To erase DTC C1081 on a BMW, follow these steps:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port
2. Access the scanner’s menu to clear the fault codes stored in the Brake System Control Module
3. Follow the on-screen prompts to erase the DTC C1081 code
4. Verify that the code has been successfully cleared by rescanning the system

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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