OBD-II code · Powertrain (generic)

P07AA Transmission Friction Element E Performance/Stuck Off

Transmission Friction Element E Performance/Stuck Off: the actuator is stuck in the off position.

Is it safe to drive with P07AA?

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
  • Less likelyCarbon or debris buildup preventing free movement
  • Less likelyComponent wear with age - mechanical play

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 E

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.