Air Bag Systems: Locations

SIR Identification Views

The SIR Identification Views shown below illustrate the approximate location of all SIR components available for the vehicle. This will assist in disabling and enabling the SIR system, refer to SIR Disabling and Enabling Service and Repair.

Avalanche/Escalade/Suburban/Tahoe/Yukon




1 - Inflatable Restraint Front End Sensor-Right-Located on the front frame crossmember
2 - Battery-Located under the hood on the right side
3 - Inflatable Restraint I/P Module-Located at the right front of the instrument panel cluster (IPC)
4 - Inflatable Restraint Side Impact Sensor (SIS)-RF-Located under the right front door trim near the lower rear of the door frame
5 - Inflatable Restraint Seat Position Sensor (SPS)-Right-Located on the right front outboard seat track
6 - Inflatable Restraint Passenger Presence System (PPS)-Located under the right front seat mounted to the seat frame
7 - Inflatable Restraint Seat Belt Retractor Pretensioner-Right-Located on the right front B Pillar
8 - Inflatable Restraint Side Impact Sensor (SIS)-RR-Located under the right rear door trim near the lower rear of the door frame
9 - Side Impact Air Bag, RF-Located on the seat back of the passenger seat
10 - Inflatable Restraint Roof Rail Module-Right-Located in the headliner
11 - Inflatable Restraint Roof Rail Module-Left-Located in the headliner
12 - Inflatable Restraint Sensing and Diagnostic Module (SDM)-Located under the center console
13 - Side Impact Air Bag, LF-Located on the seat back of the driver seat
14 - Inflatable Restraint Side Impact Sensor (SIS)-LR-Located under the left rear door trim near the lower rear of the door frame
15 - Inflatable Restraint Seat Belt Retractor Pretensioner-Left-Located on the left front B Pillar
16 - Inflatable Restraint Seat Position Sensor (SPS)-Left-Located on the right front inboard seat track
17 - Inflatable Restraint Side Impact Sensor (SIS)-LF-Located under the left front door trim near the lower rear of the door frame
18 - Inflatable Restraint Steering Wheel Module-Located on the steering wheel
19 - Underhood Fuse Block and Auxiliary Battery-Located under the hood on the left side
20 - Inflatable Restraint Front End Sensor-Left-Located on the front frame crossmember