Front Air Bag Sensor Control problems of the 2015 Chevrolet Sonic

We owns a 2015 Chevrolet Sonic. When the vehicle was started, we noticed that the air bag warning sensor illuminated without warning. The vehicle was taken to the local dealer (Chevrolet -5925 us 90/ milton, FL 32583) where it was diagnosed that the failure codes (dtc c0186, c0196, c0287) appeared. We was informed that isn't a recall for this problem on this models. ( air bags and seat belts are a safety device, this fault should be a recall issue). We fount a service bulletin : sb-10059177-1527 from gm for the failure.

The contact owns a 2015 Chevrolet Sonic. When the vehicle was started, the contact noticed that the air bag warning sensor illuminated without warning. The vehicle was taken to the local dealer (Chevrolet Buick GMC of puyallup, 800 river rd, puyallup, wa, 98371) where it was diagnosed that the failure codes (dtc c0186, c0196, c0287) appeared. The contact was informed that the sdm module needed to be checked for the latest software version and updated software possibly needed to be installed. A service bulletin from gm was located for the failure. The vehicle was not repaired. The manufacturer was made aware of the failure and provided case number: 8-3212344697. The contact was informed that the vehicle was not included in a recall and referred the contact to NHTSA. The failure mileage was approximately 39,940.