Vehicle recall 18V774000 · November 1, 2018
Buick Encore, Chevrolet Spark and 2 more models
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Consequence
- If the air bags do not deploy in the event of a crash, it can increase the risk of injury.
- Remedy
- 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.
- 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.
Recall details
- NHTSA campaign
- 18V774000
- Reported to NHTSA
- November 1, 2018
- Filed by
- General Motors LLC
- Manufacturer campaign
- 18365
- Owner notification
- November 6, 2018
- Vehicles potentially affected
- 12
- Initiated by
- the manufacturer
- Components
- Air bags › Air bag/restraint control module; Air bags
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Buick Encore (2019): 2019
- Chevrolet Spark (2019): 2019
- Chevrolet Traverse (2019): 2019
- Chevrolet Trax (2019): 2019
Has your Buick been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Buick dealer can also check your VIN. Recall repairs are free.