DTC Troubleshooting: P0780 (45-1)

DTC P0780:  Shift Control System

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1.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?

YES - Go to 2.

NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original  PCM.n

2.Perform the troubleshooting flowchart for the indicated codes: