Powertrain
generic / SAE
P271A
Park Pawl Position Sensor A Circuit Low
The position sensor that confirms the park pawl A engagement state reads below the lower diagnostic threshold. Without confirmed park engagement the shift-by-wire controller cannot release the brake hold.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 1A
Possible causes
- Internal short in sensor element high
- Signal wire shorted to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: park pawl position sensor a
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012