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Discussion Starter · #1 · (Edited)
Whether this involves 100 or 3,000 C7's is not yet known, but given 40,000 total seat belt/pre-tensionsers recalls over all the following models and years, probably not many C7's. Looks as if the first round of software recalls may "not have taken." Here's what we know so far.

GM Authority said:
GM Recalls 40,683 Vehicles Over Potential Issue With Airbag And Seat Belt Pretensioners (By Alex Luft)

General Motors is recalling several models over an issue that could prevent a vehicle’s airbags or seat belt pretensioners from working properly.

The defect: the vehicles being recalled were previously remedied for recall 16V-651, but may not have received the complete software update necessary to completely 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.

The hazards: a failure of the front airbags 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.

Affected vehicle areas:

Air bags
Seat belts
Affected vehicles: certain model year:

2014-2016 Buick Lacrosse
2014-2017 Buick Encore
2014-2016 Chevrolet Spark EV
2014-2016 Caprice PPV
2014-2016 Chevrolet SS
2014-2017 Chevrolet Corvette
2014-2017 Chevrolet Silverado 1500
2015-2016 Chevrolet Silverado 2500 and 3500
2015-2016 Chevrolet Tahoe
2015-2016 Chevrolet Suburban
2015-2016 Chevrolet Trax
2014-2017 GMC Sierra 1500
2015-2017 GMC Sierra HD 2500 and 3500
2015-2016 GMC Yukon and Yukon XL
2015-2016 Cadillac Escalade and Escalade ESV
Number of vehicles affected: 40,683 vehicles (United States figure).

The fix: 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.

Owners should: customers looking to find out if their vehicle is included in this GM recall should visit There, owners will be able to enter their Vehicle Identification Number (VIN) to see any open recalls as well as customer satisfaction programs. If the vehicle is part of the recall, then owners should take it to a dealer

Owners can also contact customer service with questions by using the following information.


Chevrolet Customer Service: 1-800-222-1020
Buick Customer Service: 1-800-521-7300
GMC Customer Service: 1-800-462-8782
Cadillac Customer Service: 1-800-458-8006
GM Recall Number: 17287
NHTSA Toll Free: 1-888-327-4236
NHTSA (TTY): 1-800-424-9153
NHTSA Website:
NHTSA Recall Number: 17V437000

Read more: GM Recalls 40K Vehicles Over Airbag Issue | GM Authority
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