2016 GMC Acadia electrical system problems

“Odometer Fraud. The contact purchased a 2016 GMC Acadia on February 28, 2026. After purchasing the vehicle, the contact obtained a Carfax report and discovered that there was a mileage discrepancy. The vehicle was a dealer sale. The contact called the dealer and was informed that the vehicle was purchased at an auction. The dealer agreed to refund a portion of the cost of the vehicle. The contact attempted several times to contact the dealer afterwards but was unsuccessful. At the time of purchase, the mileage was 92,400, and at the time of registration, it was discovered that the mileage was 192,000.”

“Odometer Fraud. The contact purchased a 2016 GMC Acadia. The contact discovered a mileage discrepancy after purchasing the vehicle. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 180,000. The contact stated that it was later discovered upon checking the vehicle information settings, that the mileage was 300,000.”

“unknowingly what the actual issue is in This 2016 gmc has major safety risk in Electrical major different problems it has caused me safety issue with little one in the car and my family not knowing the issue with not understating it is a safety risk it has shut off 20 times restarting the radio for no reasoning also it sounds like the powertrain is going to stop working unless u put in L shift which i think that is nuts i was on the highway and it just stopped with the key locked in it like what actually f is going on this SUV has had problems since day one”

“In March of 2022 the vehicle displayed a warning to service the side detection system. on March 31st 2022 the dealership diagnosed that the Side Blind Zone Alert Module failed due to water intrusion. The replacement of the modular was completed free of charge under "Campaign - N172097060 Special Coverage Adjustment". In December of 2024 the same warning to service the side detection system was activated again, several weeks later the warning lights on the side view mirrors lite up and remained on. Upon bringing the vehicle on February 13th 2025 for service, in it was determined to be caused by the same failed part as the first occurrence. This time the repair was not covered by the dealer, and was 1099.22. GMC has not solved the underlining problem with these parts. The side detection system is critical when driving a larger SUV for blind zone awareness to avoid collisions while driving in multi lane traffic. When the system failed, the lights on the side view mirrors made driving difficult due to the distraction and glare. Although this problem is known by the manufacture it has provided a permanent solution, as they continue to use the flawed original parts.…”

“I was driving and all of a sudden my drivers seat started to move foward and down and then eventually reclined fully back and then stopped. Now my seat is permanently reclined. I could have been killed or seriously injured because the seat was moving while I was driving the car and I felt I could have been smushed into the steering wheel.”

“Transmission is slipping Brakes / sometimes hydraulics not working properly Side and back sensors not working at all , malfunctioning of electrical components, while driving, all electronics inside vehicle went blank, anti theft system locked up, went to shut off car, will not start after the failed, oil consumption at 23% life oil cycle, oil pressure low, and engine locked up,”