Note. Record all freeze data and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ) before you troubleshoot.
- Check for other DTCs indicated simultaneous with the code P0780. NOTE: P0780 means there is one or more A/T DTCs stored. Are there other DTCs? YES- Go to step 2. NO- Update the PCM if it does not have the latest software, or substitute a known-good PCM (see DTC CLEAR PROCEDURE ), then recheck. If the symptom/ indication goes away with a known-good PCM, replace the original PCM.
- Perform the troubleshooting for the codes: P1731: (see DTC P1731: PROBLEM IN SHIFT CONTROL SYSTEM ) P1732: (see DTC P1732: PROBLEM IN SHIFT CONTROL SYSTEM ) P1735: (see DTC P1735: PROBLEM IN SHIFT CONTROL SYSTEM ) P1736: (see DTC P1736: PROBLEM IN SHIFT CONTROL SYSTEM )