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Home › Chevrolet › 2021 › Express 2500 LS, 2.8L Eng VIN 1 › Repair and Diagnosis › Restraints › Air Bag, SRS › Supplemental Restraints System › Repair Instructions › Restraints Control Module Replacement

Restraints Control Module Replacement

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 Procedures

  1. Disable the SIR system. SIR Disabling and Enabling 
  2. Front Floor Panel Carpet Replacement
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 Restraints Control 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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