OBD-II code · Powertrain (generic, extended)
P2BD4 Motor Electronics Coolant Pump C Control Circuit/Open
The motor electronics coolant pump C (cooling the drive inverter or motor) reports a control circuit/open condition. Power electronics cooling may be impaired.
Is it safe to drive with P2BD4?
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
- Motor Electronics Coolant Pump C, Wiring Harness, Hybrid Control Module
Related codes
- P0A05Motor Electronics Coolant Pump A Control Circuit/Open
- P0B38Motor Electronics Coolant Pump B Control Circuit/Open
- P2BD1Battery Charging System Negative Contactor B Control Circuit High
- P2BD2Exhaust Aftertreatment System A Leak
- P2BD3Exhaust Aftertreatment System B Leak
- P2BD5Motor Electronics Coolant Pump C Control Circuit Low
- P2BD6Motor Electronics Coolant Pump C Control Circuit High
- P2BD7Motor Electronics Coolant Pump C Control Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.