P2BA2
Engine Coolant Pump Stuck/Stalled
The engine coolant pump is mechanically stuck or has stalled. Coolant circulation through the engine is severely reduced or absent.
The engine coolant pump is mechanically stuck or has stalled. Coolant circulation through the engine is severely reduced or absent.
Common causes
- high
Pump impeller jammed by debris
One of the most commonly reported causes for this code — check this first.
Typical part cost: $330-1650
- medium
Motor seized
A plausible cause — test and verify before replacing parts.
Typical part cost: $330-1650
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P2BA2 mean?
P2BA2 means "Engine Coolant Pump Stuck/Stalled". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2BA2?
pump impeller jammed by debris; motor seized — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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