OBD-II code · Powertrain (generic)

P0751 Shift Solenoid A Performance

Shift Solenoid A Performance: the component is electrically intact but its response does not match the command. Shift solenoids route transmission hydraulic pressure to engage the gears; faults cause harsh, delayed, or missed shifts.

Is it safe to drive with P0751?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelySolenoid sticking mechanically
  • PossibleValve body contamination

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
2–8 h
Emissions test
Usually unaffected
Parts involved
Shift Solenoid, Valve Body

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