2005-2006 Models

NOTE: Record all freeze data and review General Troubleshooting Information (see 2005-2006 MODELS ) before you troubleshoot.

Check for other DTCs indicated simultaneous with the code P0780.
NOTE: P0780 means there is one or more A/T DTCs about the shift control system.

Are there other DTCs?
1. YES - Go to step 2.
2. NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM (see PCM UPDATING AND SUBSTITUTION FOR TESTING ), then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.
Perform the troubleshooting for the indicated codes:
- P1730: (see DTC P1730: PROBLEM IN SHIFT CONTROL SYSTEM: )
- P1731: (see DTC P1731: PROBLEM IN SHIFT CONTROL SYSTEM: )
- P1732: (see DTC P1732: PROBLEM IN SHIFT CONTROL SYSTEM: )
- P1733: (see DTC P1733: PROBLEM IN SHIFT CONTROL SYSTEM: )
- P1734: (see DTC P1734: PROBLEM IN SHIFT CONTROL SYSTEM: )