OBD-II code · Powertrain (generic, extended)
P26F9 Coolant Pump C Control Module Overtemperature
The smart controller of the third coolant pump has reached over-temperature. Sustained high duty or insufficient cooling air flow around the pump electronics.
Is it safe to drive with P26F9?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySustained high duty cycle from cooling demand
- PossibleCooling air channel around pump blocked by debris
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Coolant Pump C Module
Related codes
- P2B64Coolant Pump B Control Module Overtemperature
- P2B6BCoolant Pump D Control Module Overtemperature
- P2B9ECoolant Pump A Control Module Overtemperature
- P2DFBCoolant Pump E Control Module Overtemperature
- P26F6Coolant Pump C Control Circuit High
- P26F7Coolant Pump C Supply Voltage Circuit
- P26F8Coolant Pump C Stuck/Stalled
- P26FACoolant Pump C Overspeed/Air in System
- P26FBEGR Cooler Bypass Control Stuck Closed Bank 1
- P26FCEGR Cooler Bypass Control Stuck Closed Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.