BMW DTC C0587 – Brake Booster Motor ‘A’ Position Sensor Circuit/Open
DTC C0587 meaning on BMW
DTC C0587 on a BMW refers to an issue with the Brake Booster Motor ‘A’ Position Sensor Circuit being open or having a fault. This means that the sensor responsible for monitoring the position of the brake booster motor is not functioning properly, which can affect the performance of the brake system.
BMW DTC C0587 symptoms
Symptoms of DTC C0587 on a BMW may include:
- Brake pedal feeling spongy or hard
- ABS warning light illuminated on the dashboard
- Loss of power assist in the brakes
BMW DTC C0587 causes
The common causes of DTC C0587 on a BMW include:
- Faulty brake booster motor ‘A’ position sensor
- Wiring issues in the sensor circuit
- Corrosion or poor connections in the sensor circuit
BMW DTC C0587 seriousness
DTC C0587 is a serious issue as it directly affects the operation of the brake system in the vehicle. Driving with this fault can compromise the safety and performance of the brakes, leading to potential accidents or loss of control.
How to diagnose DTC C0587 on BMW
To diagnose DTC C0587 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer
- Inspect the brake booster motor ‘A’ position sensor and its wiring for any visible damage or corrosion
- Test the sensor using a multimeter to check for proper resistance and voltage readings
How to fix DTC C0587 on BMW
To fix DTC C0587 on a BMW, you can try the following solutions:
- Replace the faulty brake booster motor ‘A’ position sensor
- Repair or replace any damaged wiring in the sensor circuit
- Clean and secure any loose connections in the sensor circuit
How to erase DTC C0587 on BMW
To erase DTC C0587 on a BMW, you can clear the fault codes using a diagnostic scanner. After fixing the underlying issue causing the fault code, you can reset the codes to see if the problem 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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