One problem related to side/window air bag has been reported for the 2009 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 GMC Sierra 1500 based on all problems reported for the 2009 Sierra 1500.
Dashboard cracks, on both sides, above the instrument cluster and at the passenger side airbag. Passengers side crack is effecting how the airbag access cover snaps into the excisting dash recess. It's very bad and sagging down effecting how the airbag would deploy.