Chevrolet Suburban

Persistent, intermittent total audio cutout disabling critical crash avoidance alerts. Failure Summary & Safety Impact: The vehicle experiences intermittent, complete failures of the audio system across all sources. When this failure occurs, all audible safety warning chimes are completely silenced—including Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, and Park Assist. This places occupants and other road users at immediate safety risk, as the driver receives no…

My 2023 Chevrolet Suburban RST equipped with the 6.2L V8 engine has developed serious transmission and drivetrain issues following an engine replacement performed under a GM recall approximately one year ago. Shortly after the engine replacement, the transmission began exhibiting unusual shifting behavior. The dealership advised that the transmission needed to reset or relearn its shifting patterns. However, approximately 10,000 miles later, the problems have continued and become increasingly…

On 5/28/25 the vehicle was on the interstate and presented a check engine light. Shortly after getting off the interstate the vehicle limited speed. This was taken to the dealership and they replaced the #6 injector. This vehicle was identified as having a left bank tick on 11/18/22 by the dealership but could not be duplicated by the mechanic. On 5.8.23 the #8 injector was replaced due to code and the vehicle vibrating at low RPM and at stops both in park and in drive. On 5/28/25 the #6…

This has almost caused us to get in an accident several times now. While driving and taking a curve or while gradually turning, the power steering failed. The steering wheel was extremely difficult to turn, and my wife could barely turn it. The message “Steering Assist Reduced – Drive with Care” was displayed. When we pulled over and turned off the engine, and then later re-started the Suburban, the power steering worked again. The dealer conducted a diagnostic on it and could not find the…

As I was driving on the Highway. My speed was approximately 65 MPH. The suburban slowed itself down and flashed on the driver screen slow down/reduced acceleration. I was driving with my family in the car on the highway. The car forcing a slow down like that could have caused an accident that could have killed my 3 year old or my 9 year old. We drove the car home in fear after reading online that the rear tires could force stop on us. We immediately did an at home diagnostic on the vehicle…

Driving our 2024 Suburban, 6.2 L engine, on a 2-lane highway in southern Utah, traveling on cruise control at 70 mph, felt 2 hesitations (jerking movement), and turned off cruise control. Immediately after, heard knocking/thumping sound in the front of the vehicle, followed by a whining sound that got louder. Immediately found a turn-off from the highway, pulled in, and engine died while vehicle was still in motion. Attempted starting again and would not start. People stopped to help us and…

On August 7, 2026, while driving a rental vehicle in the Denver, Colorado area with my family, including two young children, the vehicle unexpectedly lost engine power while traveling downhill. The engine shut off, resulting in a significant reduction in brake assistance and creating an extremely dangerous situation. We were able to bring the vehicle to a stop without a collision or injury. After restarting the vehicle, the check-engine light illuminated. The vehicle was no longer considered…

Component Affected: Suspension / Steering / Wheels / Front Hub Assembly Description of the Safety Defect & Incident: Proactively brought the vehicle to two separate authorized Chevrolet dealerships due to a severe thumping noise when turning the steering wheel. I explicitly stated to service staff that the vehicle felt unstable and unsafe to drive. Both dealerships performed inspections, stated they found no issues, and released the vehicle back to me. Shortly thereafter, while driving at…

The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving at 55 MPH, the vehicle shuddered and shut off completely without warning. An attempt was made to restart the vehicle, but the engine failed to restart. The vehicle was towed to a dealer, where a diagnostic inspection revealed a lifter failure, and the engine was replaced. The contact stated that three months after the engine replacement, the engine was leaking oil and the transmission failed. The failure mileage…

I was driving south on Highway 395 with 2 of my friends on our way home from vacation, which is a 2 lane road in the mountains. About 45 miles north of Victorville, CA. As I was accelerating, my vehicle all of a sudden dropped adaptive cruise control, the engine light started blinking, traction control errored, and I got a service ESC message on the dash. I let off the gas a little and everything seemed fine but when I reapplied pressure to the gas pedal the engine started making a loud ticking…