DTC 43: Body Control Module With SUMCHECK Error: Testing
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
- If remote keyless entry diagnostic system check has been performed, go to next step. If remote keyless entry diagnostic system check has not been performed, perform diagnostic system check before proceeding. See REMOTE KEYLESS ENTRY DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Enter BCM diagnostic mode by using SECURITY indicator. See RETRIEVING BODY CONTROL MODULE DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. Press any button on remote transmitter. If DTC 44 is retrieved, go to next step. If DTC 44 is not retrieved, inspect circuits for an intermittent or poor connection. Repair as necessary.
- Attempt to perform all functions controlled by remote transmitter (door locks, trunk release and alarm). If remote transmitter controls all functions, go to next step. If remote transmitter does not control all functions, repair Remote Keyless Entry (RKE) as necessary. See appropriate REMOTE KEYLESS ENTRY SYSTEMS article.
- Replace BCM. Program BCM. See BODY CONTROL MODULE under PROGRAMMING.