GMC Most Common Problems and Issues

As GMC owners and enthusiasts, we've all experienced those frustrating moments when our vehicles break down or fail to perform as expected. In an effort to create a comprehensive resource for common issues and problems associated with our beloved trucks and SUVs, I'd like to start this discussion thread. From faulty infotainment systems to transmission troubles, and from engine woes to electrical gremlins, it seems there are plenty of headaches that can plague even the most well-maintained GMC vehicles. By sharing our experiences, knowledge, and expertise, we can work together to identify and address these common problems. Whether you're a seasoned owner or just starting your GMC journey, this thread aims to provide a valuable resource for troubleshooting and resolving issues with your vehicle. Let's share our stories, offer advice, and support one another in the pursuit of keeping our GMCs running smoothly and reliably.