Code result
P2C81
AIR System Pump Overtemperature Bank 1
Moderate severity
What it means
The AIR pump on bank 1 reports temperature above the protection threshold. Sustained operation, blocked outlet, or cooling path obstruction.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Pump outlet restricted
highOne of the most commonly reported causes for this code — check this first.
Sustained pump operation
mediumA plausible cause — test and verify before replacing parts.
Related help
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