Disabling System (Avalanche, Escalade, Escalade ESV, Escalade EXT, Sierra, Silverado, Suburban, Tahoe, Yukon & Yukon XL)
WARNING:
Regular cab and extra cab pickup models are equipped with ON/OFF switches for passenger side air bags. Turning switch OFF will NOT disable the driver air bag.
NOTE:
When AIR BAG or SIR fuse is removed, and ignition is in ON position, AIR BAG warning light will illuminate. This is normal operation and does not indicate SIR system malfunction.
- Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS . Turn front wheels to straight-ahead position. Turn ignition switch to LOCK position. Remove key from ignition switch. Remove AIR BAG fuse from instrument panel fuse block. Fuse block is located at far left end of instrument panel. Wait one minute.
- Zone 1
To disable, inflatable restraint front end sensors located in SIR Zone 1, raise and support vehicle. Remove Connector Position Assurance (CPA) clip from both front end sensor connectors located on the frame crossmember. Disconnect both front end sensor connectors. - Zones 2 & 6
To disable left or right front door inflatable restraint Side Impact Sensor (SIS) located in SIR Zones 2 (left) or 6 (right), remove the front door handle bezel. Remove the window handle, if equipped. Release the upper extension by pulling outward in order to release upper retainer clip. Remove upper extension from door trim panel by lifting up and out. Remove the manual lock lever from the trim panel using a flat-bladed tool. Remove the trim panel screws. Disconnect the electrical connectors and remove trim panel from door. Carefully slide door trim panel up in order to release retainers from the door. Remove CPA clip from side air bag sensor Yellow 2-pin connector located near bottom of door. See Fig 1. Disconnect side air bag sensor Yellow 2-pin connector. - Zone 3
To disable driver air bag module and coil located in SIR Zone 3, remove CPA clip from steering wheel module Yellow 4-pin connector located left of steering column near knee bolster. See Fig 2. Disconnect steering wheel module Yellow 4-pin connector. - Zone 5
To disable passenger air bag module located in SIR Zone 5, open glove box. Push in on glove box sides to fully open glove box. Remove CPA clip. Disconnect passenger air bag 4-pin Yellow SIR connector located behind glove box attached to main instrument panel support. See Fig 3. - Zone 7
To disable inflatable restraint Sensing and Diagnostic Module (SDM), inflatable restraint side air bag module, and inflatable restraint Seat Position Switch (SPS) located in SIR Zone 7, remove CPA clip from driver air bag module Yellow 4-pin connector. Disconnect driver air bag module Yellow 4-pin connector. Remove CPA clip from passenger air bag module Yellow 4-pin connector. Disconnect passenger air bag module Yellow 4-pin connector. Remove CPA clip from the right front side air bag module Yellow 2-pin connector located under passenger seat. Disconnect right front side air bag module Yellow 2-pin connector. Remove CPA clip from left front side air bag module Yellow 2-pin connector located under driver seat. Disconnect left front side air bag module Yellow 2-pin connector. - Zone 9
To disable inflatable restraint Passenger Presence System (PPS), inflatable restraint side air bag module, inflatable restraint Seat Position Switch (SPS), and inflatable restraint seat belt tension retractor sensor located in SIR Zone 9, remove CPA clip from right side air bag module Yellow 2-pin connector located under passenger seat. Disconnect right side air bag module Yellow 2-pin connector.
CAUTION:
Vehicle is equipped with 2 inflatable restraint front end sensors. When performing this procedure ensure both front end sensors are disabled.