GM Service Manual Online
For 1990-2009 cars only

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 .

Avalanche/Escalade/Suburban/Tahoe/Yukon


Object Number: 1696542  Size: MF
(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 Pretensioner-Right-Located on the right front B Piller
(8)Inflatable Restraint Side Impact Sensor (SIS)-RR-Located under the right rear door trim near the lower rear of the door frame
(9)Inflatable Restraint Seat Belt Tension Retractor Sensor-Located on the outboard lower seat belt anchor
(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 Vehicle Rollover Sensor-Located under the center console
(13)Inflatable Restraint Side Impact Sensor (SIS)-LR-Located under the left rear door trim near the lower rear of the door frame
(14)Inflatable Restraint Seat Belt Pretensioner-Left-Located on the left front B Piller
(15)Inflatable Restraint Sensing and Diagnostic Module (SDM)-Located under the left front seat under the carpet
(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