Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read ESM DTCs.
- Record the Event Data (if available), Environmental Data, and any DTCs.
- With the scan tool, erase DTCs.
- Using the recorded Event and Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read ESM DTCs.
Did the DTC reset?
Yes
- Using the schematics as a guide, check the Electronic Shift Module (ESM) terminals for corrosion, damage or pushed out terminals. Pay particular attention to all power and ground circuits. If no problems are found, replace the Electronic Shift Module (ESM) in accordance with the Service Information. Refer to REMOVAL .
- Perform the ESM VERIFICATION TEST. Refer to ELECTRONIC SHIFT MODULE (ESM) VERIFICATION TEST .
No
- Go To 2
- CHECK WIRING AND CONNECTORS
- The conditions necessary to set the DTC are not present at this time.
- Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
- Wiggle the wires while checking for shorted and open circuits.
- Check for any Service Bulletins that may apply.
Were there any problems found?
Yes
- Repair as necessary.
- Perform the ESM VERIFICATION TEST. Refer to ELECTRONIC SHIFT MODULE (ESM) VERIFICATION TEST .
No
- Test complete.