P0780
PowertrainTransmission Shiftmoderate severityShift Malfunction
What P0780 Means
The transmission control module detected an incorrect shift or a shift that did not occur as commanded. This indicates a general shifting problem.
Symptoms
- Improper or missed shifts
- Slipping between gears
- Reduced performance
Common Causes
- Faulty shift solenoids
- Low or contaminated transmission fluid
- Valve body issues
- Internal transmission wear
Diagnostic Steps
- Check fluid level and condition
- Scan for related shift codes
- Test shift solenoids and pressures
- Inspect valve body and internal components
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