The air bag sensing and diagnostic module (SDM) housing may fracture, allowing water to enter it. This can cause a malfunction of the module, and as a result, the vehicle's air bags may not properly deploy in an accident. Dealers will adjust the position of the mounting stud for the module and replace the SDM free of charge to resolve the concern.
GMC Sierra 1500 Recalls
The ignition key cylinder may bind, resulting in the key sticking in the "start" position inadvertently. This can result in the key snapping back unexpectedly into the "accessory" position, and cause vehicle stalling and loss of safety features. Dealers will replace the ignition lock housing free of charge to resolve the concern.
The ignition switch actuator can bind causing the ignition switch to stick in the "start" position. If this were to occur the actuator can unexpectedly release, cause the ignition switch to snap back into the "Accessory" position. This would cause the engine to turn off with an associated loss of brake and steering power assist. If these conditions were to lead to a crash the airbags may not deploy as expected. Dealers will inspect and replace the ignition lock housing as necessary to correct this concern.
Certain trucks are being recalled because the rear axle shaft may not have been properly heat treated prior to vehicle assembly and could fail while driving. If this were to occur a rear wheel could separate from the vehicle, increasing the risk of a crash. Dealers will inspect and replace the affected axles to correct this concern.
A fault can develop with the Electric Power Steering resulting in sudden loss of power steering assist, increasing the risk of a crash. Dealers will replace the power steering assist motor kit to correct this concern.
The chassis electrical module can short due to internal contamination. This can result in the vehicle stalling. Dealers will replace the chassis electronic module free of charge to resolve the concern.
The tie rod where it threads into the steering gear rack may not be tightened enough. Dealers will inspect the inner toe rods to make sure they are correctly tightened, replacing any defective steering gear as necessary free of charge to resolve the concern.
The transmission cooler may leak transmission oil at one of the fittings where the transmission oil lines hook up to it. Dealers will inspect the cooler line connection and repair the vehicles as needed free of charge.
When idling the engine in cold weather, certain components of the exhaust system may overheat, resulting in melting of plastic components and a possible engine fire. Dealers will reprogram the engine control module free of charge to resolve the concern.
The front seat backs may have excessive free play. Dealers will inspect the seat back recliner mechanisms and make adjustments as needed free of charge to resolve the concern.