B0015 02, B0016 02, B0019 02, B0020 02, B0022 02, B0023 02, B0033 02, B0040 02
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The air bag module high and/or low circuit is short to ground for 120 milliseconds.