OBD-II code · Powertrain (generic)
P07A2 Transmission Friction Element A Performance/Stuck Off
Friction element A does not lock up when commanded — its hydraulic circuit cannot bring the clutch pack into full engagement. Either the apply piston is stuck, the seal is leaking past the piston, or the supplying pressure regulator is failing.
Is it safe to drive with P07A2?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyLeaking apply seal
- PossibleStuck apply piston
- Less likelyCarbon or debris buildup preventing free movement
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
- 4–14 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch Pack A, Apply Piston, Apply Seal
Related codes
- P07A4Transmission Friction Element B Performance/Stuck Off
- P07A6Transmission Friction Element C Performance/Stuck Off
- P07A8Transmission Friction Element D Performance/Stuck Off
- P07AATransmission Friction Element E Performance/Stuck Off
- P07ACTransmission Friction Element F Performance/Stuck Off
- P07AETransmission Friction Element G Performance/Stuck Off
- P07B0Transmission Friction Element H Performance/Stuck Off
- P079FTransmission Friction Element F Slip Detected
- P07A0Transmission Friction Element G Slip Detected
- P07A1Transmission Friction Element H Slip Detected
- P07A3Transmission Friction Element A Stuck On
- P07A5Transmission Friction Element B Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.