Sierra 1500 2WD V8-5.3L Hybrid (2004)
Air Bag Control Module: Service and Repair
INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT
REMOVAL PROCEDURE
CAUTION:
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Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is
securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause
SIR deployment, personal injury, or unnecessary SIR system repairs.
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Refer to SIR Caution in Service Precautions.
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 7.
2. Remove the drivers seat.
3. Remove the driver side door sill plate.
4. Fold back the carpet to access the inflatable restraint sensing and diagnostic module (SDM).
5. Remove the connector position assurance (CPA) (1) from the inflatable restraint sensing and diagnostic module (SDM) wiring harness connector
(2).
6. Push down the flex lock button (3) and slide the connector locking cover (4) to the open position.
