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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 ((Memory Seat Module (MSMD) - Electrical Diagnostics)) >> Diagnosis and Testing >> U0203-Lost Communication With Door Module Front Left >> Possible Causes

Possible Causes

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.
Possible Causes 
CAN INTERIOR BUS (125K) CIRCUITS OPEN OR SHORTED
DIAGNOSTIC TROUBLE CODES (DTCs) RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES PRESENT
TIPM NOT CONFIGURED CORRECTLY
DMFL POWER AND GROUND
DMFL
MEMORY SEAT MODULE (MSM)
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