Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002CAMARO SS, 2D COUPE, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULESDIAGNOSTIC TESTSDTC 43: BODY CONTROL MODULE WITH SUMCHECK ERRORTESTING
2002 Chevrolet Camaro SS, 2D Coupe, Standard
DTC 43: Body Control Module With SUMCHECK Error: Testing
2002 Chevrolet Camaro SS, 2D Coupe, StandardSECTION Testing
- 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.