C12F8
Brake Pedal Position Sensor 3 Not Plausible
C12F8 is an OBD-II diagnostic trouble code meaning: Brake Pedal Position Sensor 3 Not Plausible. Common causes: brake pedal position sensor 3 malfunction, open or shorted wiring harness. Estimated repair cost: $33–111.
Symptoms
- Incorrect operation of cruise control
- Problems with the ESP/ABS system
- Check engine light comes on
- Lack of response to the brake pedal in certain modes
Causes
- Brake pedal position sensor 3 malfunction
- Open or shorted wiring harness
- Oxidation of contacts
- Mechanical damage to the sensor
- Problems with the brake system control unit
How to Fix
- Checking the integrity of the wiring harness and contacts
- Diagnosis of sensor signals using a scanner
- Checking the operation of the brake pedal and mechanical components
- Replacing a faulty sensor or repairing a harness
- Resetting the error and re-diagnosis
Related codes
FAQ
What does the C12F8 code mean?
C12F8 is an OBD-II diagnostic trouble code that indicates: Brake Pedal Position Sensor 3 Not Plausible
What causes a C12F8 error code?
The most common causes of C12F8 include: Brake pedal position sensor 3 malfunction; Open or shorted wiring harness; Oxidation of contacts; Mechanical damage to the sensor.
How do I fix a C12F8 diagnostic trouble code?
To fix C12F8: Checking the integrity of the wiring harness and contacts. Diagnosis of sensor signals using a scanner. Checking the operation of the brake pedal and mechanical components. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C12F8?
Limited driving only, diagnose soon
How much does it cost to fix C12F8?
The estimated repair cost for C12F8 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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