Code result
P27E1
Electric/Auxiliary Transmission Fluid Pump A Pressure Too Low
High severity
What it means
The auxiliary transmission fluid pump A produces less pressure than expected for the commanded duty. Pump aging, leakage, or fluid loss.
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 worn or leaking internally
highOne of the most commonly reported causes for this code — check this first.
Transmission fluid level low
mediumA plausible cause — test and verify before replacing parts.
Related help
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