Code result
P0780
Shift Malfunction
High severity
What it means
The TCM detects that a commanded shift between gears did not occur within the expected time and quality window. Slip rates or speed ratios remain implausible during shift.
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
Low or degraded transmission fluid
highOne of the most commonly reported causes for this code — check this first.
Shift solenoid stuck or worn
highOne of the most commonly reported causes for this code — check this first.
Clutch pack wear
mediumA plausible cause — test and verify before replacing parts.
Related help
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