OBD-II code · Powertrain (generic)
P08D4 Shift Solenoid J Control Circuit/Open
Open circuit in the control wiring of shift solenoid J.
Is it safe to drive with P08D4?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in control wire
- PossibleOpen solenoid coil
- Less likelyPin pushed back out of connector body
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Shift Solenoid J, Wiring Harness
Related codes
- P08DDShift Solenoid K Control Circuit/Open
- P08E6Shift Solenoid L Control Circuit/Open
- P097AShift Solenoid A Control Circuit/Open
- P097BShift Solenoid B Control Circuit/Open
- P097CShift Solenoid C Control Circuit/Open
- P097DShift Solenoid D Control Circuit/Open
- P097EShift Solenoid E Control Circuit/Open
- P097FShift Solenoid F Control Circuit/Open
- P09A0Shift Solenoid G Control Circuit/Open
- P09A1Shift Solenoid H Control Circuit/Open
- P08D1Shift Solenoid J Control Circuit Range/Performance
- P08D2Shift Solenoid J Control Circuit Low
- P08D3Shift Solenoid J Control Circuit High
- P08D5Shift Solenoid K
- P08D6Shift Solenoid K Performance/Stuck Off
- P08D7Shift Solenoid K Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.