OBD-II code · Powertrain (generic, extended)
P2C72 Hybrid/EV Electronics Cooling System Performance
The hybrid control module detects that the power electronics cooling system does not maintain target temperatures under load. Coolant flow, radiator fouling, or pump output reduced.
Is it safe to drive with P2C72?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyRadiator fins fouled - reduced heat rejection
- PossibleCoolant aged - reduced heat capacity
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Electronics Coolant Pump A, Hybrid Electronics Radiator, Power Electronics Coolant Loop
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.