OBD-II code · Chassis
C05C5 Brake Pressure Sensor F Circuit Range/Performance
Brake pressure sensor F reading implausible. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with C05C5?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor reading drifted
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Brake Pressure Sensor F
Related codes
- C0574Brake Pressure Sensor C Circuit Range/Performance
- C05C2Brake Booster Motor A Over Temperature
- C05C3Brake Booster Motor A Supply Circuit
- C05C4Brake Pressure Sensor F Missing Calibration
- C05C6Brake Pressure Sensor F Circuit Low
- C05C7Brake Pressure Sensor F Circuit High
- C05C8Brake Pressure Sensor F Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.