LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Body Control Modules) >> System Tests >> Communications >> MSM Messages Not Received
April 5, 2026: LEMON Manuals is launched! Read the announcement.

MSM Messages Not Received

WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: After making any repairs, perform BODY VERIFICATION TEST  under VERIFICATION TESTS.
  1. Turn ignition on. Using scan tool, attempt to communicate with Memory Seat/Mirror Module (MSMM). If scan tool communicates with MSMM, go to next step. If scan tool does not communicate with MSMM, go to BUS +/- SIGNALS OPEN FROM MEMORY SEAT/MIRROR MODULE .
  2. Using scan tool, erase DTCs. Turn ignition off and on. Wait a minimum of one minute. Using scan tool, check for DTCs. If DTC resets, replace Body Control Module (BCM). See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. If DTC does not reset, testing is complete.