OBD-II code · Powertrain (generic)
P0931 Gear Shift Lock Solenoid/Actuator Control Circuit A High
The gear shift lock solenoid/actuator control circuit A reports a control circuit a high condition. Selector lever interlock cannot be commanded reliably.
Is it safe to drive with P0931?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyControl wire shorted to B+
- PossibleOpen coil
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Gear Shift Lock Solenoid A, Wiring Harness, Tcm
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.