Useful checks before replacing parts
- Review solenoid C command, actual gear, input speed, output speed, shift timing, and ratio-code history.
- Check fluid level and condition, solenoid C wiring, internal harness, case connector, and transmission connector sealing.
- Determine whether the code sets electrically at key-on or during a specific hydraulic shift event.
Related OBD-II codes
These nearby transmission entries can help compare wording and fault area. They may share the same verification status as the source database.