What the source says
The documented condition
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 identified by NHTSA
If the air bags do not deploy in the event of a crash, it can increase the risk of injury.
Campaign 18V774000; report received 2018-11-01. Source checked 2026-10-18.
Source component: AIR BAGS
Compare the pattern
Symptoms and vehicle scope
Condition described by NHTSA
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.
Vehicles and limits
- NHTSA model names: TRAX. Model years: 2019.
- NHTSA campaign 18V774000
- The complete campaign lists 12 potentially affected units across all listed vehicles.
- A make, model and year match does not establish VIN eligibility.
Manufacturer position
What the official procedure directs
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.
Mileage context
Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.
Original evidence
Open the documents behind this record.
NHTSA safety recall · 18V774000 · 2018-11-01
NHTSA campaign 18V774000
Official component, defect, consequence and remedy; checked 2026-10-18.
Repair paths and safe checks
Match the action to the evidence.
Official recall 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.
Confirm VIN eligibility and current remedy instructions with the manufacturer.
Check the complete VIN
Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.
The model-year list is not proof that an individual vehicle is affected.
Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.
How we check a problem · All records for the 2019 Chevrolet Trax