Inflatable Restraint Sensing and Diagnostic Module Replacement

WARNING: This page is about a different car, the 2008 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Replacing Inflatable Restraint Sensing And Diagnostic Module

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 . NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . Preliminary Procedure Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling . Remove the right front seat. Refer to Front Seat Replacement - Bucket (Impala) . Pull the carpeting back in order to access the sensing and diagnostic module (SDM). Refer to Floor Panel Carpet Replacement (Impala) . Program the inflatable restraint SDM after replacement. Refer to Control Module References .
1	Bolt/Screw, Inflatable Restraint Sensing and Diagnostic Module (Qty: 3) Tighten: 10 N.m (88 lb in)
2	Module Assembly, Inflatable Restraint Sensing and Diagnostic

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 .

NOTE: Refer to Fastener Notice .

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedure

Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
Remove the right front seat. Refer to Front Seat Replacement - Bucket (Impala) .
Pull the carpeting back in order to access the sensing and diagnostic module (SDM). Refer to Floor Panel Carpet Replacement (Impala) .
Program the inflatable restraint SDM after replacement. Refer to Control Module References .

Bolt/Screw, Inflatable Restraint Sensing and Diagnostic Module (Qty: 3)

Tighten: 10 N.m (88 lb in)

Module Assembly, Inflatable Restraint Sensing and Diagnostic