Brake Pedal Position Sensor Circuit
The brake pedal position sensor reports an implausible signal. Required for brake-by-wire and stability control.
Affected components
- Brake pedal position sensor
- Sensor wiring
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Pedal linkage loose, biasing sensor
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.