Powertrain
generic / SAE
P07B7
Transmission Park Position Sensor/Switch A Circuit Intermittent/Erratic
Park position sensor A signal jumps or drops out — typically a worn switch with contact bounce or a loose connector at the shift lever module.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / B7
Possible causes
- Switch contact bounce high
- Connector with intermittent contact under vibration low
- Harness routed against vibrating component low
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: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.5–2 h
- Component: park position sensor a
- MIL / check engine light
Sources
References
sae:J2012