Code result
P0C1B
Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Too High
High severity
What it means
The auxiliary transmission fluid pump control module reports internal temperature above the protection threshold.
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
Sustained pump load
highOne of the most commonly reported causes for this code — check this first.
Ambient temperature too high
mediumA plausible cause — test and verify before replacing parts.
Related help
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