Hummer H2. Manual - part 2073

Tighten: Tighten fasteners to 10 N.m (89 lb in).

Fig. 34: SDM Wiring Harness Connector & SDM 
Courtesy of GENERAL MOTORS CORP. 

5. Connect the SDM wiring harness connector (1) to the SDM. 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Fig. 35: Connector Position Assurance (CPA) 
Courtesy of GENERAL MOTORS CORP. 

6. Push down the flex lock button (3) and slide the connector locking cover (4) to the close position.  

7. Install the connector position assurance (CPA) (1) to the inflatable restraint sensing and diagnostic 

module (SDM) wiring harness connector (2).  

8. Position the carpet to cover the inflatable restraint sensing and diagnostic module (SDM).  

9. Install the door sill plate. Refer to Door Sill Plate Replacement - Front in Interior Trim.  

10. Install the driver seat. Refer to Seat Replacement - Front Bucket in Seats. 

IMPORTANT: The AIR BAG indicator may remain ON after the SDM has been replaced. 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

11. Enable the SIR system. Refer to SIR Disabling and Enabling Zones .  

INFLATABLE RESTRAINT STEERING WHEEL MODULE REPLACEMENT 

Removal Procedure 

1. Disable the inflatable restraint steering wheel module. Refer to SIR Disabling and Enabling Zone 3 . 

DTC B1001 may set requiring the SDM part number to be set in multiple 
modules. If the indicator remains ON after enabling the SIR system, 
perform the diagnostic system check and follow the steps thoroughly to 
ensure that the SDM is set properly.

CAUTION: Refer to SIR Inflator Module Handling and Storage Caution in Cautions and 

Notices.

CAUTION: Refer to SIR Caution in Cautions and Notices.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Fig. 36: Steering Column Leaf Spring Fasteners 
Courtesy of GENERAL MOTORS CORP. 

2. Using a blunt-ended tool, push the leaf spring fasteners (2) inward through the access holes. The access 

holes are located on both sides of the steering wheel shroud. 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2