OBD-II code · Powertrain (generic, extended)
P2D0B Motor Electronics Coolant Pump C Overspeed/Air in System
Motor electronics coolant pump C reports a overspeed/air in system condition. Power electronics cooling is impaired.
Is it safe to drive with P2D0B?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyAir pocket in coolant loop
- PossibleCoolant level low
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Motor Electronics Coolant Pump C, Power Electronics Coolant Loop
Related codes
- P2D01Motor Electronics Coolant Pump A Overspeed/Air in System
- P2D06Motor Electronics Coolant Pump B Overspeed/Air in System
- P2D08Motor Electronics Coolant Pump B Supply Voltage Circuit
- P2D09Motor Electronics Coolant Pump B Control Module Overtemperature
- P2D0AMotor Electronics Coolant Pump C Stuck/Stalled
- P2D0CMotor Electronics Coolant Pump C Underspeed
- P2D0DMotor Electronics Coolant Pump C Supply Voltage Circuit
- P2D0EMotor Electronics Coolant Pump C Control Module Overtemperature
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.