Body Control Module (BCM) EEPROM Checksum Failure

Turn ignition on. Using scan tool, erase BCM DTCs. Turn ignition off, then on. Read DTCs. If scan tool displays BCM EEPROM CHECKSUM FAILURE, reflash or replace BCM. See BODY CONTROL MODULE  under REMOVAL & INSTALLATION. Perform BODY VERIFICATION TEST  under VERIFICATION TESTS. If scan tool does not display BCM EEPROM CHECKSUM FAILURE, test is complete.