Code result
P2CB1
Charge Air Cooler Coolant Pump B Overspeed/Air In System
High severity
What it means
Charge air cooler coolant pump B reports a overspeed/air in system condition. CAC coolant loop circulation is impaired.
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
Air pocket in coolant loop
highOne of the most commonly reported causes for this code — check this first.
Coolant level low
mediumA plausible cause — test and verify before replacing parts.
Related help
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