2016 Chevrolet Silverado 1500 stability control problems

Vehicle was statinonary, and was hit from the rear and pushed into another vehicle on a highway. I have damage to rearend, driver side and front end. After the accident I recieved an email that there was a critical issue with airbags, my airbags did not deploy. Contacted GM about issue was transferred to esis/central claims for GM, they sent out and inspector to pull crash data, I was given copy of crash data, and crash data stated airbags deployed when they did not, it also showed a code b0052-00 which is an…

I purchased my truck in august 2016. I noticed a vibration from 70-80 MPH. Very noticeable in the steering wheel and more recently in the driver seat. It's been to the dealer twice. They picoscoped (service tool) to isolate the vibration. Performed lots of balancing, new tires, drive shaft, differential (ring & pinion). Vibration more noticeable than ever. But they claim it's within spec.