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Chevrolet Silverado 1500 Recall 17V437: Front Air Bags and Seatbelt Pretensioners May Not Deploy in a Crash

NHTSA campaign 17V437, reported July 10, 2017, 40,683 vehicles potentially affected.

What this recall means for you

Some vehicles may not have received the complete software update from an earlier air bag recall. Under certain driving conditions, the air bag sensing and diagnostic module can run a diagnostic test that stops the front air bags and seat belt pretensioners from deploying if a crash occurs.

If the front air bags or seat belt pretensioners fail to deploy in a crash that requires them, the risk of injury to the driver and front passenger increases.

The repair is free at an authorized dealer. The dealer will reflash the air bag sensing and diagnostic module software, and vehicles that have had a previous air bag deployment will have the module replaced. Owners will also be notified by the manufacturer. You can check your VIN for open recalls and contact your brand's customer service line for more information.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 17V437General Motors LLC
Component
AIR BAGS:FRONTAL; AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE; SEAT BELTS:PRETENSIONER
Problem
General Motors LLC (GM) is recalling certain model year 2014-2016 Buick Lacrosse and Chevrolet Spark EV, Caprice PPV and SS vehicles, 2014-2017 Buick Encore and Chevrolet Corvette, Silverado 1500 and GMC Sierra 1500 vehicles, 2015-2016 Cadillac Escalade and Escalade ESV, Chevrolet Tahoe, Trax, Suburban and Silverado 2500 and 3500 and GMC Yukon and Yukon XL vehicles, and 2015-2017 GMC Sierra HD 2500 and 3500 vehicles. While being previously remedied for recall 16V-651, the affected vehicles may not have received the complete software update necessary to remedy the recall condition. Without the update, certain driving conditions may cause the air bag sensing and diagnostic module (SDM) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the event of a crash.
Risk
A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.
Remedy
GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous air bag deployment will have the SDM replaced. These repairs will be performed free of charge. The recall began on August 4, 2017. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 17287.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Buick Encore2014201520162017
Buick Lacrosse201420152016
Cadillac Escalade20152016
Cadillac Escalade ESV20152016
Chevrolet Caprice Police Pursuit201420152016
Chevrolet Cheverolet SS201420152016
Chevrolet Corvette2014201520162017
Chevrolet Silverado 15002014201520162017
Chevrolet Silverado 250020152016
Chevrolet Silverado 350020152016
Chevrolet Spark EV201420152016
Chevrolet Suburban20152016
Chevrolet Tahoe20152016
Chevrolet Trax20152016
GMC Sierra 15002014201520162017
GMC Sierra 2500201520162017
GMC Sierra 3500201520162017
GMC Yukon20152016
GMC Yukon XL20152016