OBD-II code · Chassis
C0574 Brake Pressure Sensor C Circuit Range/Performance
Brake pressure sensor C 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 C0574?
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 C
Related codes
- C05C5Brake Pressure Sensor F Circuit Range/Performance
- C0571Active Brake Assist Performance
- C0572Brake Pressure Sensor C Circuit High
- C0573Electric Park Brake Switch Circuit Malfunction
- C0575Park Brake Actuator Position Signal Malfunction
- C0576Brake Pressure Sensor D Circuit High
- C0577Park Brake Force Sensor Circuit Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.