OBD-II code · Powertrain (generic, extended)
P2B9C Coolant Pump A Stuck/Stalled
Coolant pump A reports a stuck/stalled condition. Coolant circulation through the affected loop cannot be commanded reliably.
Is it safe to drive with P2B9C?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPump impeller jammed by debris
- PossibleMotor seized
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 A, Wiring Harness, Ecm
Related codes
- P26F8Coolant Pump C Stuck/Stalled
- P2B63Coolant Pump B Stuck/Stalled
- P2B6ACoolant Pump D Stuck/Stalled
- P2DF9Coolant Pump E Stuck/Stalled
- P2B99Exhaust Pressure Control Valve A Driver Current/Temperature Too High
- P2B9AReductant Quality Sensor Circuit Intermittent/Erratic
- P2B9BVehicle Conditions Incorrect for Particulate Matter Sensor Regeneration
- P2B9DCoolant Pump A Supply Voltage Circuit
- P2B9ECoolant Pump A Control Module Overtemperature
- P2B9FCoolant Pump B Underspeed
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.