OBD-II code · Powertrain (generic, extended)
P2600 Coolant Pump A Control Circuit / Open
The controller cannot drive the electric coolant pump A control line. Without circulation, engine and aftertreatment can overheat or warm up incorrectly.
Is it safe to drive with P2600?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen pump motor winding
- PossibleBroken control wire to the pump
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Coolant Pump A, Pump Relay, Wiring Harness
Related codes
- P261ACoolant Pump B Control Circuit / Open
- P26F4Coolant Pump C Control Circuit / Open
- P25FDTurbocharger/Supercharger Bypass Valve C Temperature Too High
- P25FESupercharger Disconnect Clutch
- P25FFElectrical System Voltage Stabilizer Control Module Performance
- P2601Coolant Pump A Control Circuit Performance/Stuck Off
- P2602Coolant Pump Control Circuit Open
- P2603Coolant Pump Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.