Removal Procedure

1. Disable the SIR system. Refer to Disabling the SIR System.
2. Remove the passenger front seat. Refer to Driver Or Passenger Front Seat in Seats and Carpet.
3. Remove the passenger front carpet retainer, then roll back the carpet. Refer to Floor Carpet Retainer in Seats and Carpet.






4. Remove the Connector Position Assurance (CPA) from the inflatable restraint Sensing and Diagnostic Module (SDM) harness connector.

Description:

5. Disconnect the SDM harness connector from the SDM.






6. Remove the SDM mounting fasteners (2).
7. Remove the SDM (1) from the floor pan (3).

IMPORTANT: If the SDM mounting holes or fasteners are damaged to the extent that the module can no longer be properly mounted use the following repair. Torque the replacement fastener with a hand tool in order to prevent stripping the replacement fastener.

1. Remove the stripped fastener and discard it.
2. Drill and tap the weld nut for use with a 7.00 x 1.0 mm bolt.

NOTICE: Refer to Fastener Notice in Vehicle Damage Warnings.

3. Install the SDM with new fastener GM P/N 25601790.
4. Tighten
Tighten fastener to 14 N.m (124 lb. in).