Powertrain
Definition only
Lights the check engine lamp
P2BA2: Engine Coolant Pump Stuck/Stalled
Standardized SAE J2012 code · P2Bxx codes
What does P2BA2 mean?
The engine coolant pump is mechanically stuck or has stalled. Coolant circulation through the engine is severely reduced or absent.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Pump impeller jammed by debris
- Medium Motor seized
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2BA2 on the same make and model first.
P2BA2 in the community
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