Chassis
generic / SAE
C0291
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.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number2 / 91
Possible causes
- Pedal apply sensor failed high
- Wiring or connector fault medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 100–500 €
- Estimated time: 0.5–2 h
- Component: brake apply sensor
- Component: brake control module
- Component: sensor wiring
Sources
References
sae:J2012