Diagnostic Test
- VERIFY DTC IS ACTIVE NOTE:
Make sure the battery is fully charged before proceeding.
- Turn the ignition on.
- With the scan tool, read the active DTCs.
Does the scan tool display: U0101-00-LOST COMMUNICATION WITH TCM?
Yes
- Perform the U0101-LOST COMMUNICATION WITH TCM - 3.6L or U0101-LOST COMMUNICATION WITH TCM - 5.7L diagnostic procedure.
No
- Refer to Diagnosis and Testing and perform the Stored Lost Communication DTCs diagnostic procedure.