2025 GMC Yukon XL Electrical system Problems

“keep quit working when i was driving , i just pick up from delearship for i another issue with on-star and is not part available is been there for over month not fix and now the brakes issue”

“Driving the vehicle with my family in it on merrit parkway in ct 230 am on May 10 th Car rpm start going up and making noises and felt like gear not shifting in few seconds later car all sudden on its own shifted to neutral as my speed 55-60 mph was during that moment. And screen on dash went blank dark .i was able to move to side of the road safe as possible .road is only two lane and no room to park on side . Immediately turn hazards lights on and try to restart the car and vehicle will not turn on . State troopers came and assisted us till tow truck came and vehicle get towed to dealer”

“The infotainment and instrumentation cluster will reboot while driving. This has happened multiple times while on the express way and while using super cruise. When the event happens the infotainment and instrument cluster will turn black for multiple minutes rebooting. At times they do not successfully reboot and forces the vehicle to pull over stop and force a system reset.”

“Vehicle Status: Brand New Current Mileage: Approximately 10,000 miles Incident Description On 1/8/26, while operating the vehicle on the interstate at highway speeds with cruise control engaged, the Check Engine light began to flash. Simultaneously, the vehicle’s warning system issued an alert stating that the engine oil was excessively hot. Immediately after these warnings, the engine began to emit a loud knocking sound and lost all power, shutting off completely while in motion. I was able to safely maneuver the vehicle to the shoulder of the road. …”

“The car was purchased on 8/15/2026. On November 6th 2026 with 3051 miles on all the gauges, electronic dashboard, gps , climate controls, heads up display failed while car was in driving. There was no way to tell what speed the car was going, the gas level, rpms, engine temperature, etc. Navigation failed, Cruise control failed, I was unsure if the emergency braking system failed. The dealership responded there was over 27 error codes on the car computer. There was no way of knowing if the signal lights were working. There was no prior warning to this failure. …”