Friday November 26th after having hit a deer, my truck quit entirely. Transmission Would Shudder, and Rattle, then not engage, causing engine to Die during several attempts. I had to have the truck towed 3 times just to get it to where I could have the issue diagnosed. Gateway Transmission quoted $4200 minimum on repairs including Torque Convertor, Drive Shaft (replace w Steel not orig. alum). The repairs are completed, which now totaled $ 6,374.84 paid out of pocket. I have been without a vehicle for 60 Days. The Transmission Coolant Lines also had to be replaced. No GM notification has been received. Multiple Complaints found re same issue. I AM DEAF Phone included is a voice contact family member.