OBD-II code · Powertrain (generic)

P0B0D Electric/Auxiliary Transmission Fluid Pump Motor Control Module

The auxiliary transmission fluid pump motor control module reports an internal fault. Pump cannot be commanded reliably.

Is it safe to drive with P0B0D?

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

Common causes

  • Most likelyInternal module fault
  • PossibleCommunication lost

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
Aux Trans Pump Control Module

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