Diagnostic Test

VERIFY DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Refer to 2.4L - DIAGNOSTIC CODE INDEX or 3.6L - DIAGNOSTIC CODE INDEX and perform the U0146-Lost Communication with Central Gateway diagnostic procedure.
  No
  - Refer to DIAGNOSIS AND TESTING , and perform the Stored Lost Communication DTCs diagnostic procedure.