HomeAll RepliesReply To: 2016 Sierra 8-Spd Issue Reply To: 2016 Sierra 8-Spd Issue Sponsored April 23, 2019 at 3:43 am #535152 Z15Participant The TCC shudder condition is related to moisture content in the transmission fluid. The current OEM fluid tends to be hydroscopic, or absorbs moisture, which increases the chance of TCC shudder. Typical low bid quality? https://gm-techlink.com/?p=11127 Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored