C05BA
Brake Booster Motor A Position Sensor Supply Circuit High
C05BA is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Position Sensor Supply Circuit High. Common causes: brake booster position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Brake warning light comes on
- Reduced braking performance
- Brake pedal hardness
- Malfunction of brake assistance systems (if equipped)
Causes
- Brake booster position sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in connectors
- Malfunction of the brake system control module
- Sensor power problems
How to Fix
- Check the voltage in the sensor power circuit
- Inspect the wiring harness and connectors for damage.
- Check the resistance of the position sensor
- Scan the system for other errors
- If necessary, replace the sensor or wiring harness
- Reset the error and check for reappearance
Related codes
Error C05BA by Vehicle Brand
FAQ
What does the C05BA code mean?
C05BA is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Position Sensor Supply Circuit High
What causes a C05BA error code?
The most common causes of C05BA include: Brake booster position sensor malfunction; Open or short circuit in wiring harness; Poor contact in connectors; Malfunction of the brake system control module.
How do I fix a C05BA diagnostic trouble code?
To fix C05BA: Check the voltage in the sensor power circuit. Inspect the wiring harness and connectors for damage.. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05BA?
Limited driving only, diagnose soon
How much does it cost to fix C05BA?
The estimated repair cost for C05BA is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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