October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Body Control Module (BCM) Flash Checksum Failure

Turn ignition on. Using scan tool, erase BCM DTCs. Turn ignition off, then on. Read DTCs. If scan tool displays BCM FLASH 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 FLASH CHECKSUM FAILURE, test is complete.