OBD-II code · Powertrain (generic)

P0E43 Hybrid/EV Powertrain Control Module B

The hybrid powertrain control module B reports a generic fault. Internal self-tests fail or response time outside calibration.

Is it safe to drive with P0E43?

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

Common causes

  • Most likelyInternal module fault
  • PossibleCommunication lost

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
3–12 h
Emissions test
Usually unaffected
Parts involved
Hybrid Powertrain Cm B

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