C05B5
Brake Booster Temperature Sensor C Circuit/Open
C05B5 is an OBD-II diagnostic trouble code meaning: Brake Booster Temperature Sensor C Circuit/Open. Common causes: brake booster temperature sensor circuit open, temperature sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced braking performance
- Unusual behavior of the brake pedal
Causes
- Brake booster temperature sensor circuit open
- Temperature sensor malfunction
- Poor contact in the sensor connector
- Short circuit in wiring harness
- Problems with the ECU
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure the resistance of the temperature sensor
- Check the voltage in the sensor circuit
- Replace temperature sensor if necessary
- Clean connector contacts from corrosion
- Reset the error and check if it returns
Related codes
Error C05B5 by Vehicle Brand
FAQ
What does the C05B5 code mean?
C05B5 is an OBD-II diagnostic trouble code that indicates: Brake Booster Temperature Sensor C Circuit/Open
What causes a C05B5 error code?
The most common causes of C05B5 include: Brake booster temperature sensor circuit open; Temperature sensor malfunction; Poor contact in the sensor connector; Short circuit in wiring harness.
How do I fix a C05B5 diagnostic trouble code?
To fix C05B5: Check the integrity of the wiring harness and connectors. Measure the resistance of the temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05B5?
Limited driving only, diagnose soon
How much does it cost to fix C05B5?
The estimated repair cost for C05B5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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