Code result
P2B63
Coolant Pump B Stuck/Stalled
High severity
What it means
Coolant pump B reports a stuck/stalled condition. Coolant circulation through the affected loop cannot be commanded reliably.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Pump impeller jammed by debris
highOne of the most commonly reported causes for this code — check this first.
Motor seized
mediumA plausible cause — test and verify before replacing parts.
Related help
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