BMW DTC C1206 – Wheel Speed Sensor Rear/Left Circuit/Open
DTC C1206 meaning on BMW
DTC C1206 on a BMW indicates an issue with the Wheel Speed Sensor Rear/Left Circuit being open. This means that the circuit for the rear left wheel speed sensor is not functioning properly, leading to potential inaccuracies in the wheel speed data being sent to the vehicle’s control module.
BMW DTC C1206 symptoms
Symptoms of DTC C1206 on a BMW may include:
- ABS warning light illuminated on the dashboard
- Traction control system malfunction
- Loss of stability control
- Increased stopping distance during braking
BMW DTC C1206 causes
Common causes of DTC C1206 on a BMW include:
- Faulty wheel speed sensor
- Broken or damaged wiring in the circuit
- Corrosion or poor connections in the sensor circuit
- Issues with the control module
BMW DTC C1206 seriousness
DTC C1206 should be taken seriously as it can affect the proper functioning of the vehicle’s ABS and stability control systems. Driving with this fault may compromise the safety and handling of the vehicle, especially during emergency braking or slippery road conditions.
How to diagnose DTC C1206 on BMW
To diagnose DTC C1206 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control module
- Inspect the rear left wheel speed sensor for any visible damage or corrosion
- Check the wiring and connections in the circuit for any breaks or loose connections
- Perform a continuity test on the sensor circuit to determine if there is an open circuit
How to fix DTC C1206 on BMW
To fix DTC C1206 on a BMW, you can try the following:
- Replace the rear left wheel speed sensor if it is faulty
- Repair or replace any damaged wiring in the circuit
- Clean and secure any corroded connections in the sensor circuit
- If the issue persists, consult a professional mechanic for further diagnosis and repair
How to erase DTC C1206 on BMW
To erase DTC C1206 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. After performing the necessary repairs and ensuring the issue is resolved, you can reset the fault codes to turn off the warning lights on the dashboard.
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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