Powertrain
generic / SAE
P057A
Brake Pedal Position Sensor A Circuit Open
The brake pedal position sensor A has an open control circuit. The ECU loses analogue feedback about pedal travel - used by stop-start, regenerative braking and adaptive cruise to coordinate engine, motor and friction brakes.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 7A
Possible causes
- Open in sensor or wiring high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–280 €
- Estimated time: 0.4–1.4 h
- Component: brake pedal position sensor a
- MIL / check engine light
Sources
References
sae:J2012