Hummer H2. Manual - part 2040

Fig. 32: Identifying SDM 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the SDM mounting fasteners.  

9. Remove the SDM from the vehicle. 

10. Repair the fasteners using the following procedure: 

1. Remove the stripped nut and discard the nut.  

2. Drill out the weld spots to the weld stud from the floor pan side, then remove and discard the stud.  

3. Condition the floor panel attaching surface where the new stud is to be installed.  

4. Install new weld stud GM P/N 115115602 and clamp the weld stud.  

5. Migweld the stud at the drilled holes from above or below the floor pan, as required. 

IMPORTANT: The following repair procedures should only be used in the event that the 

inflatable restraint sensing and diagnostic module (SDM) mounting studs 
and/or fasteners are damaged to the extent that the SDM may no longer 
be properly mounted.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

6. Apply body sealer GM P/N 9984248 around any exposed openings.  

7. Install a new fastener GM P/N 11515933.  

Installation Procedure 

1. Remove any dirt, grease, or other impurities from the mounting surface. 

Fig. 33: Identifying SDM 
Courtesy of GENERAL MOTORS CORP. 

2. Install the SDM (3) horizontally to the vehicle.  

3. Point the arrow on the SDM toward the front of the vehicle. 

4. Install the SDM mounting fasteners. 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

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