OBD-II code · Powertrain (generic, extended)
P2D27 Coolant Pump F Control Circuit Performance/Stuck Off
Coolant pump F is commanded on but does not respond as expected. Pump motor stuck, relay weld, or driver fault.
Is it safe to drive with P2D27?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPump motor mechanically stuck
- PossibleOutput driver fault
- Less likelyCarbon or debris buildup preventing free movement
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Coolant Pump F, Wiring Harness, Ecm
Related codes
- P2601Coolant Pump A Control Circuit Performance/Stuck Off
- P261BCoolant Pump B Control Circuit Performance/Stuck Off
- P2C48Coolant Pump C Control Circuit Performance/Stuck Off
- P2C49Coolant Pump D Control Circuit Performance/Stuck Off
- P2D26Coolant Pump E Control Circuit Performance/Stuck Off
- P2D24Turbocharger Interstage Pressure Sensor A Circuit High
- P2D25Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic
- P2D28Cold Start Propulsion Torque Performance
- P2D29A/C Compressor Motor Stalled
- P2D2AHybrid/EV Electronics Coolant Temperature Sensor A/B Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.