Brake Pedal Apply Sensor Circuit Malfunction
Electrical fault in the brake pedal apply sensor circuit. The module cannot reliably detect whether the brake pedal is pressed, which affects ABS, ESP and brake assist functions.
Affected components
- Brake apply sensor
- Brake control module
- Sensor wiring
Common causes
- High likelihood: Pedal apply sensor failed
- Medium likelihood: Wiring or connector fault
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.