Internal BCM Failure
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, record and erase DTCs. Turn ignition off and back on. Recheck for DTCs. If DTC resets, replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION. If DTC does not reset, test is complete.