C12BC
ABS Boost Pressure Sensor Circuit Open or Short To Ground
C12BC is an OBD-II diagnostic trouble code meaning: ABS Boost Pressure Sensor Circuit Open or Short To Ground. Common causes: broken or damaged sensor wiring harness, short circuit to ground. Estimated repair cost: $56–167.
Symptoms
- The ABS indicator on the dashboard is on
- ABS does not activate when braking
- Unstable operation of the brake system
Causes
- Broken or damaged sensor wiring harness
- Short circuit to ground
- ABS pressure sensor malfunction
- Poor contact in the sensor connector
- Problems with the ABS control unit
How to Fix
- Check the integrity of the sensor wiring harness
- Check connections and contacts in the sensor connector
- Check the resistance of the ABS pressure sensor
- Replace ABS pressure sensor if necessary
- Check and, if necessary, replace the ABS control unit
Related codes
FAQ
What does the C12BC code mean?
C12BC is an OBD-II diagnostic trouble code that indicates: ABS Boost Pressure Sensor Circuit Open or Short To Ground
What causes a C12BC error code?
The most common causes of C12BC include: Broken or damaged sensor wiring harness; Short circuit to ground; ABS pressure sensor malfunction; Poor contact in the sensor connector.
How do I fix a C12BC diagnostic trouble code?
To fix C12BC: Check the integrity of the sensor wiring harness. Check connections and contacts in the sensor connector. Check the resistance of the ABS pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C12BC?
Limited driving only, diagnose soon
How much does it cost to fix C12BC?
The estimated repair cost for C12BC is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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