OBD-II code · Powertrain (generic, extended)
P26CE Engine Coolant Pump Overspeed/Air In System
The coolant pump speed feedback is higher than the commanded value with no resistance from coolant. Indicates air in the cooling loop or low coolant level so the pump spins free.
Is it safe to drive with P26CE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyLow coolant level due to leak or improper fill
- PossibleAir pocket trapped in the cooling loop
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Engine Coolant Pump, Cooling System, Coolant Reservoir
Related codes
- P26CBEngine Coolant Pump Performance/Stuck Off
- P26CCEngine Coolant Pump Control Circuit Low
- P26CDEngine Coolant Pump Control Circuit High
- P26CFEngine Coolant Pump Control Module System Voltage
- P26D0Engine Coolant Pump Control Module System Voltage Low
- P26D1Engine Coolant Pump Control Module System Voltage High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.