Air Bags: Air Bag/restraint Control Module:software October 2, 2024 Campaign 24V738000 25 units General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, 6500HD vehicles. The air bag sensing and diagnostic module (SDM) may not have been activated during installation. Full recall details: the risk and what to do →