P0E21
Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit Driver Current/Temperature Too High.
- Generic
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- E
- AreaReserved
- 21
- FaultThe specific fault in that area
Guide
Writing the guide for P0E21. The first open of a code takes up to a minute.