OBD-II code · Chassis
C0577 Park Brake Force Sensor Circuit Malfunction
The EPB module has detected an electrical fault in the clamp-force sensor circuit. Without this signal, regulated clamping force cannot be ensured and a fallback strategy is used.
Is it safe to drive with C0577?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyClamp-force sensor failed
- PossibleWiring or connector fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Epb Force Sensor, Epb Module, Sensor Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.