BMW DTC C0586 – Brake Booster Motor ‘B’ Phase U-V-W Circuit Range/Performance
DTC C0586 meaning on BMW
DTC C0586 on a BMW refers to an issue with the Brake Booster Motor ‘B’ Phase U-V-W Circuit Range/Performance. This diagnostic trouble code indicates that there is a problem with the electrical circuit related to the brake booster motor in the vehicle.
BMW DTC C0586 symptoms
Symptoms of DTC C0586 on a BMW may include:
- ABS warning light illuminated on the dashboard
- Loss of power assistance in the braking system
- Strange noises coming from the brake booster motor
BMW DTC C0586 causes
Common causes of DTC C0586 on a BMW include:
- Faulty brake booster motor
- Wiring or connector issues in the brake booster motor circuit
- Electronic control unit (ECU) malfunction
BMW DTC C0586 seriousness
DTC C0586 should be taken seriously as it can affect the proper functioning of the braking system in the vehicle. Loss of power assistance in braking can compromise the safety of the vehicle and its occupants.
How to diagnose DTC C0586 on BMW
To diagnose DTC C0586 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s ECU
- Inspect the wiring and connectors related to the brake booster motor
- Test the brake booster motor for proper functionality
- Check the ECU for any malfunctions
How to fix DTC C0586 on BMW
To fix DTC C0586 on a BMW, the following steps may be taken:
- Replace the faulty brake booster motor
- Repair or replace any damaged wiring or connectors in the circuit
- If the ECU is faulty, it may need to be reprogrammed or replaced
How to erase DTC C0586 on BMW
To erase DTC C0586 on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made to address the underlying issue, the codes can be cleared to reset the system and turn off the warning light 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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