Inflatable Restraint Sensing and Diagnostic Module Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Inflatable Restraint Sensing & Diagnostic Module Assembly & Nuts

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 (without HP2) or Front Seat Replacement - Bucket (with HP2) .
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 (without HP2) or Front Seat Replacement - Bucket (with HP2) .

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 .