2016 GMC SIERRA 1500 Complaints

Transmission Harsh 1-2 shift. Under light or heavy throttle. While driving the vehicle on first or second shift the vehicle has a delay to engage into shift making it a safety issue under normal conditions. If shift happens under rain will activate traction control almost making you lose control. Due to transmission not engaging correctly or delayed. Upon slowing down the transmission down gear feels as if someone hit my truck from behind. Feels like whiplash from initial engagement to first and second gear and again whiplash for passengers especially kids in car seats when slowing down. # 16-NA-361 information on Transmission Harsh 1-2 shift. This is the bulletin GMC has put out in response to my hard shift when I took into dealer for repair. It also gives the direction DO NOT Replace any parts for this condition. This issue also began at 40k miles and under warranty Dealer doesn’t want to fix. At 80k miles even no warranty dealer won’t fix due to no check engine light on. How can the dealership state they can’t repair the issue being a safety issue. Or give another options to help fix the issue. Other than just buy a new car and hope it doesn’t have the same issues

While putting truck into gear the transmission will not engage and will rev up and then take off or when coming to a stop the adaptive shift clunks very hard as if someone has hit you from behind. It will then surge forward without any warning. I have had it in to the dealer several times and they tell me it a know issue but they wont do anything about it.

The contact owns a 2016 GMC Sierra 1500. The contact stated while driving at various speeds, the service trailer brake system warning light illuminated with an audible sound. The vehicle was not taken to a dealer or an independent mechanic to be diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was unknown.

The AC condenser failed and AC will no longer work. This puts my family at risk during the hot summer days and can no longer use it to transport them due to extreme temperatures while not constantly in motion. Problem was confirmed by mechanic when I brought the truck in regarding AC no longer working. This is a known issue and I am requesting GM to finally release an official recall.

The a/C condenser has a crack and leaked out the refrigerant. Is the manufacturer covering this repair. It does seem to be very common. 2016 gmc Sierra. I did put dye in to locate the leak.

When I was driving down the road the transmission just quit working. But I have had ongoing problems of the truck shifting hard and popping out of gear while driving. I have also went to get on the interstate and the truck pop out of gear while merging in traffic now I can’t go more than a mile or 2 miles and truck quits moving completely. I have to turn truck off then bank on it will drive a mile and do the same thing again which has left me stranded in the middle of the road.

I pulled out in traffic with enough room to accelerate to the appropriate speed and my transmission begin to shutter and slip. My truck would not go! I was afraid I would be struck in the rear. This was the first sign of malfunction. I took truck in that day to Hardy GMC in Dallas GA. They informed me my transmissions was ruined. 84,000 miles. I have never towed anything, except golf clubs suitcases, and family members. It shameful that these transmissions are failing around the country with very little wear on them. I repaired the transmissions at an expense to me of $4,500. The warranty on the original transmission was only 60,000 miles, however, the warranty on the remanufactured transmission is 3 year or 100,000 mile. What a joke. Do the right thing. Back your product.

At low speeds my brakes do not work well. Mostly while driving at idle speeds like in a parking lot the brake pedal gets hard and the truck does not stop very easily. If you idle the truck up to a higher RPM, the brakes begin to function properly again.

The contact owns a 2016 GMC Sierra 1500. The contact stated while driving approximately 35 MPH, the steering wheel would jerk in the opposite direction of where the vehicle was driving. Their service stabili-trac warning light was illuminated. The vehicle was taken to the dealer and diagnosed with a negative battery cable fault. The vehicle was not yet repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 99,000. The consumer stated the vehicle was repaired on May 5, 2022.

I purchased a certified pre owned 2016 sierra slt in February and just after a month of owning it a notification started to pop up and chime on my dash stating "SERVICE TRAILER BRAKE SYSTEM". I have had my truck in the shop multiple times after to have this issue repaired and nothing has worked. They replaced the dash GM Genuine Part 84108373 break controller switch and buttons, the GM Genuine Part 23337305 trailer brake control module as well as the 7/4 pin 23404450 GM OEM Trailer Tow Receptacle. Nothing has fixed this issue! when the truck chimes I lose my trailer breaks and this is extremely dangerous hauling a camper weight 6500lbs. I also lose the ability to make phone calls, hear my blinker also the radio. This renders my truck inoperable and a danger to drive.