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.
Inflatable Restraint Sensing and Diagnostic Module Programming and Setup: Introduction
The replacement of the inflatable restraint sensing and diagnostic module (SDM) will require that the SDM part number be relearned by other modules such as the body control module (BCM) and the powertrain control module (PCM). The following procedures are designed to setup the SDM correctly and must be performed.
- With the scan tool perform the Setup SDM Part Number in BCM procedure located within the Body Control Module > Special Functions menu.
- With the scan tool perform the Setup New SDM function located within the Supplemental Inflatable Restraint > Module Setup menu.
- Clear any diagnostic trouble codes (DTC).
- Perform the Diagnostic System Check - Vehicle .
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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.