The latest ignition-switch campaign includes the 2011-2012 Chevrolet Silverado, Suburban, Tahoe and Avalanche; the 2011-2012 GMC Sierra and Yukon; and the Cadillac Escalade from the same model years.
The company suggests the ignition-lock actuator is prone to binding, causing the ignition to get stuck in the ‘start’ position and then potentially snap back to the ‘accessory’ position and kill the engine while underway. Like the small cars, the SUVs will lose power steering, brake assist and airbag functionality when the switch is in the ‘accessory’ position.
The condition is only believed to be present in a few hundred vehicles, though the recall lists more than 83,000. No accidents or injuries have been officially blamed on the defect.
A small batch of 2015 Chevrolet Silverado and GMC Sierra pickups are also being recalled to replace the rear axle shaft, after the original parts were installed without proper heat treatment. The defect lead to complete fracture, allowing the wheel to separate from the axle shaft.
The third recall lists just a few dozen Chevrolet Silverado and GMC Sierra pickups, also from the 2015 model year. Some left the factory with an improperly-tightened hose clamp that secures the fuel-tank vent line, potentially allowing fuel to leak.
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