OBD-II code · Powertrain (generic)

P094C Hydraulic Pump Performance/Stuck Off

The hydraulic pump reports a performance/stuck off condition. Pump operation is impaired.

Is it safe to drive with P094C?

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

Common causes

  • Most likelyPump motor seized
  • PossiblePump relay failed
  • 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
2–8 h
Emissions test
Usually unaffected
Parts involved
Hydraulic Pump, Wiring Harness, Tcm

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