C05CF
Brake Master Cylinder Piston Position Sensor B Circuit Range/Performance
C05CF is an OBD-II diagnostic trouble code meaning: Brake Master Cylinder Piston Position Sensor B Circuit Range/Performance. Common causes: master cylinder b piston position sensor malfunction, open or short circuit in the sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- The brake system fault indicator is on
- Deterioration in braking performance
- Activating the emergency brake system
- Unstable brake operation
Causes
- Master Cylinder B Piston Position Sensor Malfunction
- Open or short circuit in the sensor wiring harness
- Poor contact in the sensor connector
- Master cylinder malfunction
- Problems with the brake ECU
How to Fix
- Check the integrity of the sensor wiring harness
- Check connections and contacts in the sensor connector
- Check resistance and sensor signal
- If necessary, replace the piston position sensor
- Check and, if necessary, replace the brake master cylinder
- Check the operation of the brake system ECU
Related codes
Error C05CF by Vehicle Brand
FAQ
What does the C05CF code mean?
C05CF is an OBD-II diagnostic trouble code that indicates: Brake Master Cylinder Piston Position Sensor B Circuit Range/Performance
What causes a C05CF error code?
The most common causes of C05CF include: Master Cylinder B Piston Position Sensor Malfunction; Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; Master cylinder malfunction.
How do I fix a C05CF diagnostic trouble code?
To fix C05CF: Check the integrity of the sensor wiring harness. Check connections and contacts in the sensor connector. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05CF?
Limited driving only, diagnose soon
How much does it cost to fix C05CF?
The estimated repair cost for C05CF is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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