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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 ((Memory Seat Module (MSMD) - Electrical Diagnostics)) >> Diagnosis and Testing >> U0204-Lost Communication With Door Module Front Right >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 
    NOTE:

    Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.

    1. Turn the ignition on.
    2. Using a scan tool, read DTCs.

      Is this DTC active?

      Yes 

      • Go To  2.

      No 

      • Refer to  DIAGNOSIS AND TESTING  .  and perform the Stored Lost Communication DTCs diagnostic procedure.
  2. VERIFY DMFR IS COMMUNICATING WITH OTHER MODULES 
    1. Using a scan tool, read DTCs in all modules.

      Is any other module reporting a loss of communication with the DMFR?

      Yes 

      No 

      • Replace the Memory Seat Module (MSM) in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .
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