OBD-II code · Powertrain (generic)

P07A1 Transmission Friction Element H Slip Detected

Same condition as element A slip, applied to friction element H (eighth clutch or band, in 10-speed transmissions).

Is it safe to drive with P07A1?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyWorn friction discs in element H

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
3–12 h
Emissions test
Usually unaffected
Parts involved
Clutch Pack H, Transmission Fluid

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