Air Bag
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Sonoma, 1999 GMC Jimmy, 1999 GMC Envoy, and 1999 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Light Emitting Diode (LED) is controlled by Supplemental Inflatable Restraint (SIR) Sensing Diagnostic Module (SDM) on Class 2 serial data line. As a check, LED flashes 7 times after ignition is turned on. LED illuminates when one or more of the following conditions exists:
- SIR system related DTC is set.
- Instrument cluster cannot communicate with SDM on Class 2 serial data line.
- Instrument cluster receives a Class 2 serial data message from SDM requesting AIR BAG indicator on.