Inflatable Restraint Sensing and Diagnostic Module Replacement

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Inflatable Restraint Sensing and Diagnostic Module Replacement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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 . Preliminary Procedures Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling . Remove driver front bucket seat. Refer to Front Seat Replacement - Bucket .
1	Inflatable Restraint Sensing and Diagnostic Module Nuts (Qty: 3) NOTE: Refer to Fastener Notice . Tighten: 7 N.m (56 lb in)
2	Inflatable Restraint Sensing and Diagnostic Module Assembly Tip: Position the carpet in order to access the module. Disconnect the electrical connectors. When installing, ensure the arrow on the module is pointed towards the front of the vehicle. If installing a replacement module, program the module. Refer to Control Module References .

Callout

Component Name

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 .

Preliminary Procedures

Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
Remove driver front bucket seat. Refer to Front Seat Replacement - Bucket .

Inflatable Restraint Sensing and Diagnostic Module Nuts (Qty: 3)

NOTE: Refer to Fastener Notice .

Tighten: 7 N.m (56 lb in)

Inflatable Restraint Sensing and Diagnostic Module Assembly
Tip:

Position the carpet in order to access the module.
Disconnect the electrical connectors.
When installing, ensure the arrow on the module is pointed towards the front of the vehicle.
If installing a replacement module, program the module. Refer to Control Module References .