Powertrain
generic / SAE
P084F
Park/Neutral Switch Output Circuit
The park/neutral switch output circuit reports a generic fault. Selector position cannot be reliably reported to consumers.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 4F
Possible causes
- Switch contact failed high
- Wiring fault medium
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: easy
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: park neutral switch
- Component: wiring harness
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012