Code result
P0781
1-2 Shift Malfunction
High severity
What it means
The TCM detects a fault during the 1-to-2 upshift. The actual gear ratio after the shift command does not match the expected ratio for second gear.
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
Shift solenoid A faulty
highOne of the most commonly reported causes for this code — check this first.
1-2 clutch slipping
mediumA plausible cause — test and verify before replacing parts.
Related help
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