Powertrain
generic / SAE
P27F4
Gear Shift Lock Solenoid/Actuator A Performance/Stuck On
The shift lock solenoid for selector lever A stays engaged when release is commanded. Driver cannot move the selector out of Park or away from the locked gate.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / F4
Possible causes
- Lock actuator mechanically stuck high
- Control driver stuck on medium
- Carbon or debris buildup preventing free movement 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: 150–700 €
- Estimated time: 0.5–3 h
- Component: shift lock solenoid a
- Component: shift lock actuator a
- Component: tcm
- MIL / check engine light
Sources
References
sae:J2012