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Home >> Jeep >> 2013 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Memory Seat Module (MSMD) - Electrical Diagnostics >> DTC Troubleshooting >> U0203-00-Lost Communication With Left Front Door Module >> Diagnostic Test

Diagnostic Test

  1. VERIFY 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?

      Yes 

      • Refer to the DTC INDEX and perform the U0203-Lost Communication with Door Module Front Left diagnostic procedure.

      No 

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