Code result
P277C
Electric/Auxiliary Transmission Fluid Pump B Motor Stalled
High severity
What it means
The second auxiliary transmission fluid pump motor is commanded on but the rotor does not turn.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Impeller jammed by sediment or debris
highOne of the most commonly reported causes for this code — check this first.
Motor seized by bearing failure
mediumA plausible cause — test and verify before replacing parts.
Related help
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