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Home >> Dodge and Ram >> 2011 >> Durango Express, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> (Drivetrain Control Module (DTCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0101-00-Lost Communication With TCM >> Diagnostic Test

Diagnostic Test

  1. VERIFY THE DTC IS ACTIVE 
    NOTE:

    Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

    1. Turn the ignition on.
    2. With the scan tool, read active DTCs.

      Is this DTC active at this time?

      Yes 

      • Refer to  DIAGNOSIS AND TESTING  and perform the U0101-Lost Communication with TCM diagnostic procedure.

      No 

      • Refer to  DIAGNOSIS AND TESTING  and perform the Stored Lost Communication DTCs diagnostic procedure.
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