TorqueMech OBD Code Guide
P0780 - Shift Malfunction
Transmission shift did not occur as commanded.
Code first. Confirm symptoms and checks before pricing parts.
Read code pattern
Check likely system
Estimate after confirmation
Code Overview
Transmission shift did not occur as commanded.
Common Causes
- Low/dirty fluid
- Solenoid/valve body issue
- Internal clutch/band wear
Diagnostic Steps
- Check fluid level/condition
- Scan for solenoid and speed sensor codes
- Road test with scan tool
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.