OBD-II code · Powertrain (generic)
P0CE9 Hybrid/EV Electronics Coolant Pump A Control Circuit/Open
The hybrid electronics coolant pump A reports a control circuit/open condition. Power electronics cooling may be impaired.
Is it safe to drive with P0CE9?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOpen in pump control wire
- PossibleOpen pump motor
- Less likelyPin pushed back out of connector body
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–7 h
- Emissions test
- Usually unaffected
- Parts involved
- Hybrid Electronics Coolant Pump A, Wiring Harness, Hybrid Control Module
Related codes
- P2E41Hybrid/EV Electronics Coolant Pump B Control Circuit/Open
- P0CE6Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low
- P0CE7Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit High
- P0CE8Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Intermittent/Erratic
- P0CEAHybrid/EV Electronics Coolant Pump A Performance
- P0CEBHybrid/EV Electronics Coolant Pump A Control Circuit Low
- P0CECHybrid/EV Electronics Coolant Pump A Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.