Have any of these issues been resolved after the new trailer break module from GM has been replaced? We have a new 2024 Sierra 2500HD with NO solar and our breaks continue to fail multiple times while pulling our 5th wheel. We had the upgraded module #84857588 installed and it did NOT correct the problem. It’s gotten worse. We are battling our local GM service department with them telling us there is nothing else they can do for us.
August 28, 2024