P2B6A
Coolant Pump D Stuck/Stalled
Coolant pump D reports a stuck/stalled condition. Coolant circulation through the affected loop cannot be commanded reliably.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Pump impeller jammed by debrisCommon
- Motor seizedPossible
Parts involved
- Coolant Pump D
- Wiring Harness
- ECM
P2B6A is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.