Circuit/System Verification

Ignition ON.
Verify that DTC P182E or P1915 is not set.
- If any of the DTCs are set
  Refer to DTC P182E or P1915 .
- If none of the DTCs are set
Verify the gear shift lever position matches the scan tool TCM Internal Mode Switch parameter while slowly moving the gear shift lever from Park through all ranges.
- If the gear shift lever position does not match the Internal Mode Switch parameter
  Adjust or replace the range selector lever cable as necessary.
- If the gear shift lever position matches the Internal Mode Switch parameter
Verify the scan tool engine control module Park/Neutral Position Switch parameter displays Park/Neutral when in Park or Neutral and In-Gear when in Reverse or Drive.
- If the Park/Neutral Position Switch parameter is not as specified
  Refer to Circuit/System Testing.
- If the Park/Neutral Position Switch parameter is as specified
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
  Refer to Circuit/System Testing.
- If the DTC does not set
All OK.