LaCrosse V8-5.3L (2008)
Air Bag Control Module: Service and Repair
Inflatable Restraint Sensing and Diagnostic Module Replacement
Removal Procedure
Caution: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it
is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR
deployment, personal injury, or unnecessary SIR system repairs.
Caution: Refer to SIR Caution (See: Restraint Systems/Service Precautions/Technician Safety Information/SIR Caution).
1. Disable the SIR system. Refer to SIR Disabling and Enabling (See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Air
Bag(s) Arming and Disarming/Service and Repair).
2. Remove the passenger front seat. Refer to Front Seat Replacement - Bucket (See: Body and Frame/Seats/Service and Repair/Front Seat
Replacement - Bucket).
3. Remove the right side, center pillar, lower trim panel. Refer to Center Pillar Lower Trim Panel Replacement (See: Body and Frame/Interior
Moulding / Trim/Trim Panel/Service and Repair).
4. Remove the right insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side (See: Body and Frame/Interior Moulding /
Trim/Dashboard / Instrument Panel/Service and Repair).
5. Reposition the front and rear door weatherstrips as required.
6. Lift up the carpet to access the inflatable restraint sensing and diagnostic module (SDM).
7. Remove the connector position assurance (CPA) from the connector to the SDM.
8. Disconnect the connector from the SDM.
9. Remove the SDM mounting fasteners (1).
10. Remove the SDM (2) from the floor pan (3).
Installation Procedure
1. Remove any dirt, grease, or other impurities from the mounting surface.
