C0584
Brake Booster Motor B Phase U-V-W Circuit Low
C0584 is an OBD-II diagnostic trouble code meaning: Brake Booster Motor B Phase U-V-W Circuit Low. Common causes: wiring harness damage, brake booster motor malfunction. Estimated repair cost: $111–333.
Symptoms
- Increased brake pedal force
- Reduced braking performance
- Brake system fault light comes on
- Unusual noises from the brake booster
Causes
- Wiring harness damage
- Brake booster motor malfunction
- Power problems (low voltage)
- Malfunction of the brake system control unit
- Short circuit in the circuit
How to Fix
- Check the voltage in the phase circuit U, V, W
- Inspect the wiring harness for damage
- Check the operation of the brake booster motor
- Check the brake system control unit
- Replace faulty components
Related codes
Error C0584 by Vehicle Brand
FAQ
What does the C0584 code mean?
C0584 is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor B Phase U-V-W Circuit Low
What causes a C0584 error code?
The most common causes of C0584 include: Wiring harness damage; Brake booster motor malfunction; Power problems (low voltage); Malfunction of the brake system control unit.
How do I fix a C0584 diagnostic trouble code?
To fix C0584: Check the voltage in the phase circuit U, V, W. Inspect the wiring harness for damage. Check the operation of the brake booster motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0584?
Limited driving only, diagnose soon
How much does it cost to fix C0584?
The estimated repair cost for C0584 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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