Powertrain
generic / SAE
P081C
Park Input Circuit
General electrical fault on the Park input circuit — used by ECM/PCM to know that the gear lever is in Park (allows engine start, raises idle for accessory loads). With the input invalid Park-conditional logic falls back to a safe default.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 1C
Possible causes
- Open or shorted park input wire high
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: park input circuit
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012