BMW DTC C0590 – Brake Booster Motor ‘A’ Phase U-V-W Current High
DTC C0590 meaning on BMW
DTC C0590 on a BMW refers to the Brake Booster Motor ‘A’ Phase U-V-W Current High fault. This diagnostic trouble code indicates that the current flowing through the phases U, V, and W of the brake booster motor is higher than the specified limit.
BMW DTC C0590 symptoms
Symptoms of DTC C0590 on a BMW may include:
- ABS warning light illuminated on the dashboard
- Loss of power assistance in the braking system
- Unusual noises coming from the brake booster motor
BMW DTC C0590 causes
The common causes of DTC C0590 on a BMW include:
- Faulty brake booster motor
- Short circuit in the wiring harness connected to the brake booster motor
- Issues with the brake booster motor control module
BMW DTC C0590 seriousness
DTC C0590 should be taken seriously as it directly affects the operation of the brake booster motor, which is crucial for the proper functioning of the braking system. Driving with this fault unresolved may compromise the safety and effectiveness of the vehicle’s braking performance.
How to diagnose DTC C0590 on BMW
To diagnose DTC C0590 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system
- Inspect the wiring harness connected to the brake booster motor for any signs of damage or short circuits
- Check the brake booster motor for proper operation and electrical connections
- Test the brake booster motor control module for functionality
How to fix DTC C0590 on BMW
To fix DTC C0590 on a BMW, you can consider the following actions:
- Replace the faulty brake booster motor with a new one
- Repair or replace any damaged wiring harness connected to the brake booster motor
- Check and potentially replace the brake booster motor control module
How to erase DTC C0590 on BMW
To erase DTC C0590 on a BMW, you can clear the fault codes using a diagnostic scanner. After addressing the root cause of the issue and making necessary repairs, you can reset the fault codes to see if the problem has been resolved. Ensure that the repairs have been completed successfully before clearing the fault codes.
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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