OBD-II code · Powertrain (generic)
P057B Brake Pedal Position Sensor A Circuit Range or Performance
Same as P057A with the signal in plausible range yet not matching the brake-light switch state - typical for a sensor offset against pedal travel or a worn potentiometer track.
Is it safe to drive with P057B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPotentiometer track worn
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.4 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Pedal Position Sensor A
Related codes
- P05DCBrake Pedal Position Sensor B Circuit Range or Performance
- P0578Cruise Control Multi-Function Input A Circuit Stuck
- P0579Cruise Control Multi-Function Input A Circuit Range or Performance
- P057ABrake Pedal Position Sensor A Circuit Open
- P057CBrake Pedal Position Sensor A Circuit Low
- P057DBrake Pedal Position Sensor A Circuit High
- P057EBrake Pedal Position Sensor A Circuit Intermittent or Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.