P08CFShift Solenoid J Electrical
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- General electrical fault of shift solenoid J, used when a manufacturer does not split the circuit fault into open, low, high or range codes. No manufacturer documents this code publicly. The analogue for solenoid A, P0753, is used by Hyundai for Genesis G80 and G90 8-speed transmissions as Shift Control Solenoid Valve A Electrical; bulletin 21-AT-016HG lists electrical codes for valves A to F and has the solenoid replaced after checking the harness, without any J valve. Ford's electrical check flags a solenoid when driver feedback disagrees with the commanded state for 0.5 to 5 seconds. CARB requires circuit monitoring when a functional check is not feasible. P08D1 to P08D4 are the detailed circuit codes. Shift quality usually drops at once.
- What you may notice
- Check engine or transmission warning light on
- Harsh or missing shifts
- Transmission may lock into a limp-home gear
- Likely causes
- LikelySolenoid coil open or shorted internally
- PossibleDamaged harness, corroded or loose connector at the transmission
- PossibleFault in the internal transmission harness or solenoid body
- RareTCM output driver fault
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Hard · Usually a job for a workshop.Typical cost: €100 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.