The problem
General Motors LLC (GM) is recalling certain 2019 Buick Encore, Chevrolet Spark, Traverse, and Trax vehicles. The Sensing Diagnostic Module (SDM) on these vehicle may not have been turned off of "manufacturing mode," preventing the air bags from deploying in the event of a crash.
The risk
If the air bags do not deploy in the event of a crash, it can increase the risk of injury.
The fix
GM will notify owners, and dealers will reprogram the SDM module to the correct mode, free of charge. The recall began November 6, 2018. Owners may contact Buick customer service at 1-800-521-7300 and Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18365.
Recall details
| NHTSA campaign | 18V-774 (18V774000) |
|---|---|
| Manufacturer number | 18365 |
| Manufacturer | General Motors, LLC |
| Component | Air bags › Air bag/restraint control module |
| Report date | November 1, 2018 |
| Owners notified | November 6, 2018 |
| Vehicles affected | 12 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the air bags
Frequently asked questions
Is the recall 18V-774 repair free?
Yes. Buick dealers will fix the problem at no cost: GM will notify owners, and dealers will reprogram the SDM module to the correct mode, free of charge. The recall began November 6, 2018. Owners may contact Buick customer service at 1-800-521-7300 and Chevrolet customer service at 1-800-222-1020.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 12 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.