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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Supplemental Inflatable Restraints) >> Repair Instructions >> Airbag Sensing and Diagnostic Module Replacement

Airbag Sensing and Diagnostic Module Replacement

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM4279777Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
WARNING:

Refer to SIR Warning .

WARNING:

Refer to SIR Inflator Module Handling and Storage Warning .

WARNING:

Following the deployment of a side impact air bag, inspect the following parts for damage. Replace these parts if necessary:

  • The seat cushion frame
  • The seat recliner, if equipped
  • The seat adjuster
  • The seat back frame

Failure to do so may cause future personal injury.

Preliminary Procedure Disable the SIR system. SIR Disabling and Enabling 
1 Airbag Vehicle Rollover Sensor Cover
2 Airbag Sensing and Diagnostic Module Nut[3x]
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
3 Airbag Sensing and Diagnostic Module

Procedure

  1. Disconnect the electrical connectors.
  2. Control Module References for programming and setup information, if required.
  3. Enable the SIR System. SIR Disabling and Enabling 
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