Loss Of BCM Messages

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.

Turn ignition on. Using scan tool, select BODY then BODY CONTROL MODULE. If scan tool identifies or communicates with BCM, go to next step. If scan tool does not identify or communicate with BCM, go to BUS +/- SIGNALS OPEN OR NO RESPONSE FROM BCM under COMMUNICATIONS.
Using scan tool, erase DTCs. Turn ignition off and back on. Wait approximately one minute. Recheck for DTCs. If LOSS OF BCM MESSAGES resets, replace Power Liftgate Module (PLGM). See POWER LIFTGATE MODULE under REMOVAL & INSTALLATION. If LOSS OF BCM MESSAGES does not reset, test is complete.