OBD-II code · Powertrain (generic, extended)

P2E45 Hybrid/EV Electronics Coolant Pump B Enable Circuit

Hybrid/EV electronics coolant pump B reports a enable circuit condition. Power electronics cooling on this branch is impaired.

Is it safe to drive with P2E45?

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

Common causes

  • Most likelyPump motor or driver fault
  • PossibleAir or coolant level issue

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
2–6 h
Emissions test
Usually unaffected
Parts involved
Hybrid Electronics Coolant Pump B, Power Electronics Coolant Loop

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