Ten problems related to power train have been reported for the 2015 GMC Sierra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Sierra based on all problems reported for the 2015 Sierra.
The contact owns a 2015 GMC Sierra 1500 denali. The contact stated that while shifting the vehicle from park(p) to drive(d), the vehicle hesitated and then jerked into gear. The contact stated that the entire vehicle was shaking when it jerked into gear. The contact stated that the failure was also occurred while shifting the vehicle into reverse(r). Additionally, the failure occurred while slowing down for a traffic signal. The contact stated that the failure was a constant. The contact stated she had not noticed any warning lights during the failure. The contact had taken the vehicle to a local dealer who advised the contact that there were no open recalls for the transmission on the VIN. The vehicle was not diagnosed. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was unknown.
The contact owns a 2015 GMC Sierra. The contact stated that an abnormal, clunking sound would emit from the vehicle as the check engine light would appear on the instrument panel. The vehicle was taken to two dealer(quality Buick GMC, inc. -7901 lomas blvd ne, albuquerque, nm 87110 and pitre Buick GMC- 9737 eagle ranch rd NW, albuquerque, nm 87114) and both dealers informed him that the failure was related to the transmission and was given an estimate for the repair. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 100,000.
When coming to a stop, applying a steady amount of brake pressure the transmission shifts and loses all forms of engine braking causing the truck to speed up and overshoots the stopsign.
Interior dash lights goes out and a few minutes later the engine cuts off while I'm trying to park. Each time while I was backing into my parking space. After sitting for about 30 seconds the lights dash board lights come back on, then I restart the truck. Sometimes while driving the dash board light blink of and on.
Steering electrical assist fightback, driving,turning resulting in no steering-deadly! this can happen at any time while driving. Very dangerous! engine must be shut off and restarted before you can get out of street. Then message reads "lower driver window then raise" before proceeding.
Starting the vehicle I'm putting the truck in reverse, the truck lunges backwards. Also a violent jerk of the vehicle happens. This happens a majority of the time. Putting the vehicle into gear to drive I have a violent jerk and a loud noise. The truck does not lunge forward when placing the truck into drive. This happens a couple of times a day. This is not an isolated incident.
Transmission is not able to be fixed. Three repairs and gm can't fix. Transmission jerks, slips, clunks. Uncomforable to drive. I am stuck with subpar vehicle. Gm has been horrible to work with. 17 recalls? why cant gm make a solid reliable vehicle after 100 years in business?.
Driving north on the garden state parkway in the center lane it felt like I had a back tire blowout but what happened was my rear axle broke causing my vehicle to be extremely hard to control. I was trying to steer the vehicle but could not control the truck, it felt like I had limited braking ability, smashing into guardrail it finally came to a stop.
The contact owns a 2015 GMC Sierra. While the vehicle was parked, it began to coast backwards and collided into the side of a building without warning. The air bags did not deploy. There were no injuries and a police report was not filed. After the crash, the gear shifter remained in park. The vehicle was not diagnosed, but was currently being repaired for damages sustained from the crash. The VIN was not included in NHTSA campaign number: 14v374000 (power train). The manufacturer was not made aware of the failure. The failure mileage was approximately 8,000.
Vehicle randomly and repeatedly shifts into neutral from drive, witout any input from driver, during normal driving conditions. Vehicle randomly and repeatedly loses accelerator pedal control and functionality during normal driving conditions.
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