C05BB
Brake Booster Motor A Position Sensor Supply Circuit Range/Performance
C05BB is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Position Sensor Supply Circuit Range/Performance. Common causes: brake booster motor position sensor malfunction, open or short circuit in the power supply. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Increased brake pedal force
- Unstable operation of the brake booster
Causes
- Brake booster motor position sensor malfunction
- Open or short circuit in the power supply
- Wiring Harness Problems
- Brake booster motor malfunction
How to Fix
- Check the integrity of the wiring harness and connections
- Check the voltage in the sensor power circuit
- Test the brake booster motor position sensor
- If necessary, replace the brake booster sensor or motor.
Related codes
Error C05BB by Vehicle Brand
FAQ
What does the C05BB code mean?
C05BB is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Position Sensor Supply Circuit Range/Performance
What causes a C05BB error code?
The most common causes of C05BB include: Brake booster motor position sensor malfunction; Open or short circuit in the power supply; Wiring Harness Problems; Brake booster motor malfunction.
How do I fix a C05BB diagnostic trouble code?
To fix C05BB: Check the integrity of the wiring harness and connections. Check the voltage in the sensor power circuit. Test the brake booster motor position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05BB?
Limited driving only, diagnose soon
How much does it cost to fix C05BB?
The estimated repair cost for C05BB is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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