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.
Body Control Module (BCM) Setup
Perform the following steps:
- Ensure that the battery is fully charged.
- Connect a scan tool to the data link connector (DLC).
- Turn ON the ignition, with the engine and all accessories OFF.
- Program the BCM. Refer to Service Programming System (SPS) (Remote Procedure) or Service Programming System (SPS) (Pass-Thru Procedure) or Service Programming System (SPS) (Off Board Remote Procedure) or Service Programming System (SPS) (Off Board Pass-Thru Procedure) in Programming.
- Perform the Programming Theft Deterrent System Components in Theft Deterrent.
- Clear all diagnostic trouble codes (DTCs) with the scan tool.
After the procedure is completed, the personalization settings of the BCM are set to a default setting. Inform the customer that the personalization must be set again.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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