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We found the following complaints for GMC SIERRA DENALI (2018)

Read complaints for GMC SIERRA DENALI (2018)


I nearly died when my brakes failed on my 2018 gmc denali this morning. I was only going 60 mph when another driver cut in front of me, and hit their brakes but when i tried to stop, i could not! i then began swerving from lane to lane because it was raining. Thank god i didn't die and that the person on the right slowed down and moved out the way. The truck seemed to be pulling me to the right. Why i have no idea. But why is gm putting people lives at risk like this? why are we having to suffer or put our families in jeopardy. This makes no sense. My chest started hurting really bad afterwards, because i was so scared. I was on a 2 lane highway going straight but even that doesn't cause a vehicle not to respond like it did.

On the morning of oct 26, 2020 @ 845am... I was heading south on 287 in mansfield tx. It was raining hard so i was only going 60 mph. The car in front of me was going 55 or so. When the rain and wind picked up, the car in front of me abruptly hit its brakes. That's when my truck brakes locked and i began sliding or being pulled to the right. I was in the left lane on the 2 lane highway. Had it not been for god and me, not panicking... I would have crashed! my truck fish tailed twice while i was trying to apply the brakes but... I couldn't stop. I almost put the truck gear in neutral but it was raining so somehow the truck managed to slow down going up a small hill, giving me control back. There were 2 other cars that seen this. I was a nervous wreck! i immediately got off the highway and went to the first gas station i saw and thanked god nothing happened. The problem i have is, what if my family were in the vehicle? how is it that gm is allowed to sell these vehicles? also, i searched almost every website and included my vin... But every reply says my truck is ok (until today). I haven't had this truck for a year yet. But i'm ready to trade it in. I don't feel safe at all. I almost want to get my truck towed home. Why put people lives in jeopardy?

1-it needs to apply the brake so hard to make it stop at 100 km/hr and above.. 2-there is a jerk on down '2nd to 1st "and up shifting1st to 2ndgear.3-front parking sensors sensitivities is notaccurate .

Driving down the highway about 65mph it made a loud clunkand i took it in to service department and they told me i would have to pay about $400.00 to drain the transmission fluid and replace it. I told them m pick up only has less than 15,000 miles on iti don't think this is fair, the service gu said the don't pay for it and other gmc denali customers had theirs done and problem was solved and i wasn't the only customer thathad the issueand cory from alaska auto bodysaid it was safe to drive

The contact owns a 2018 gmc sierra denali. The contact received notification of nhtsa campaign number: 19v328000 (engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. Soechtin motors gmc located at (603 east kingsbury street, seguin, tx 78155, (830)355-2098, was contacted and confirmed that the part was not available. The manufacturer was not made aware of the issue. Parts distribution disconnect.

The contact owns a 2018 gmc sierra denali. The contact received a recall notification for nhtsa campaign number: 19v328000 (engine). The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The dealer was not contacted. The manufacturer was notified of the issue and stated that the part was not available. The contact had not experienced a failure. Vin tool confirms parts not available.

The contact owns a 2018 gmc sierra denali. The contact stated that while driving at night, the headlamps failed to adequately illuminate the roadway. The vehicle was taken to murdock chevrolet buick gmc cadillac located at (1955 main st, logan, ut 84341, (888) 470-5760) where the technician attempted to adjust the headlamps however, the headlamps were already adjusted to specs. The contact stated that there was no improvement in visibility while shifting from low beam to hi beam. The vehicle was not repaired. The manufacturer was notified of the failure. The contact requested that the vehicle be bought back by the manufacturer and the manufacturer refused. The approximate failure mileage was 4,000.

The contact owns a 2018 gmc sierra denali. While driving various speeds, the headlights moved when driving over a bump in the road. The vehicle was taken to whitaker buick gmc (131 19th st sw, forest lake, mn 55025, (651) 464-5612) and mccarthy auto world (3350 129th ave nw, coon rapids, mn 55448, (763) 210-4576) and was informed that the headlights were operating as designed. The contact notified the manufacturer of the failure and a case was opened. The approximate failure mileage was 200.

The contact owns a 2018 gmc sierra denali. The contact stated that the headlights vibrated and bounced while the vehicle was in motion. While driving on rough terrain and also when approaching oncoming traffic, it was difficult for the contact to see the road. The vehicle was taken to the dealer (murdock manhattan chevrolet-cadillac, 600 mccall rd, manhattan, ks 66502, (785) 783-0639) where it was determined that there was no failure with the headlights. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 6,181.

Driving down the highway about 65mph it made a loud clunkand i took it in to service department and they told me i would have to pay about $400.00 to drain the transmission fluid and replace it. I told them m pick up only has less than 15,000 miles on iti don't think this is fair, the service gu said the don't pay for it and other gmc denali customers had theirs done and problem was solved and i wasn't the only customer thathad the issueand cory from alaska auto bodysaid it was safe to drive

Certain 2018 gmc sierra 1500 denalis were issued a recall for the "electronic brake control module". For my vin, it doesn't show that that issue needs to be fixed (i just purchased this truck last week), but it indeed does. When coasting at a low speed on a small hill, brakes almost feel non existent. Gmc recalled many of their vehicles to get this issue sorted out with a simple, "software update". For some odd reason my gmc's vin wasn't up for a recall when it clearly needs one, im pleading for some help; i'm worried for my safety because of this manufacturer defect. Any help is appreciated, thank you.

On the morning of oct 26, 2020 @ 845am... I was heading south on 287 in mansfield tx. It was raining hard so i was only going 60 mph. The car in front of me was going 55 or so. When the rain and wind picked up, the car in front of me abruptly hit its brakes. That's when my truck brakes locked and i began sliding or being pulled to the right. I was in the left lane on the 2 lane highway. Had it not been for god and me, not panicking... I would have crashed! my truck fish tailed twice while i was trying to apply the brakes but... I couldn't stop. I almost put the truck gear in neutral but it was raining so somehow the truck managed to slow down going up a small hill, giving me control back. There were 2 other cars that seen this. I was a nervous wreck! i immediately got off the highway and went to the first gas station i saw and thanked god nothing happened. The problem i have is, what if my family were in the vehicle? how is it that gm is allowed to sell these vehicles? also, i searched almost every website and included my vin... But every reply says my truck is ok (until today). I haven't had this truck for a year yet. But i'm ready to trade it in. I don't feel safe at all. I almost want to get my truck towed home. Why put people lives in jeopardy?

1-it needs to apply the brake so hard to make it stop at 100 km/hr and above.. 2-there is a jerk on down '2nd to 1st "and up shifting1st to 2ndgear.3-front parking sensors sensitivities is notaccurate .

I nearly died when my brakes failed on my 2018 gmc denali this morning. I was only going 60 mph when another driver cut in front of me, and hit their brakes but when i tried to stop, i could not! i then began swerving from lane to lane because it was raining. Thank god i didn't die and that the person on the right slowed down and moved out the way. The truck seemed to be pulling me to the right. Why i have no idea. But why is gm putting people lives at risk like this? why are we having to suffer or put our families in jeopardy. This makes no sense. My chest started hurting really bad afterwards, because i was so scared. I was on a 2 lane highway going straight but even that doesn't cause a vehicle not to respond like it did.

While driving highway speed (75mph) the steering went out as i was trying to go thru a curve., i had to use both hands and force the wheel to turn to exit highway.luckily it was only a slight turn i was trying to navigate! it threw service code'c0475, they say it's the steering gear! $2700 fix i believe it's electronic error.

On the morning of oct 26, 2020 @ 845am... I was heading south on 287 in mansfield tx. It was raining hard so i was only going 60 mph. The car in front of me was going 55 or so. When the rain and wind picked up, the car in front of me abruptly hit its brakes. That's when my truck brakes locked and i began sliding or being pulled to the right. I was in the left lane on the 2 lane highway. Had it not been for god and me, not panicking... I would have crashed! my truck fish tailed twice while i was trying to apply the brakes but... I couldn't stop. I almost put the truck gear in neutral but it was raining so somehow the truck managed to slow down going up a small hill, giving me control back. There were 2 other cars that seen this. I was a nervous wreck! i immediately got off the highway and went to the first gas station i saw and thanked god nothing happened. The problem i have is, what if my family were in the vehicle? how is it that gm is allowed to sell these vehicles? also, i searched almost every website and included my vin... But every reply says my truck is ok (until today). I haven't had this truck for a year yet. But i'm ready to trade it in. I don't feel safe at all. I almost want to get my truck towed home. Why put people lives in jeopardy?

I nearly died when my brakes failed on my 2018 gmc denali this morning. I was only going 60 mph when another driver cut in front of me, and hit their brakes but when i tried to stop, i could not! i then began swerving from lane to lane because it was raining. Thank god i didn't die and that the person on the right slowed down and moved out the way. The truck seemed to be pulling me to the right. Why i have no idea. But why is gm putting people lives at risk like this? why are we having to suffer or put our families in jeopardy. This makes no sense. My chest started hurting really bad afterwards, because i was so scared. I was on a 2 lane highway going straight but even that doesn't cause a vehicle not to respond like it did.

The rear end makes noise when turning and sometimes stoping. When weight is place on bed the rear end make noises. Something is wrong in the rear end of this truck. When truck is moving and turning you can here the noise.

Hood vent fell off while driving normal speeds on the highway and hit the car behind me. I feel that the cheap plastic is defective and could cause a problem with the part going airborne at high speeds and hitting other cars.

The rear end makes noise when turning and sometimes stoping. When weight is place on bed the rear end make noises. Something is wrong in the rear end of this truck. When truck is moving and turning you can here the noise.

1-it needs to apply the brake so hard to make it stop at 100 km/hr and above.. 2-there is a jerk on down '2nd to 1st "and up shifting1st to 2ndgear.3-front parking sensors sensitivities is notaccurate .

While getting my truck inspected the shop owner told me about a bulge on right front tire. He asked me if they sold that to me like that i proceeded to tell him yes. He said it should be reported so that is what i'm doing. I'm not sure if this is covered. I considered it a safety when vehicle was purchased in tennessee and going to upstate ny, and i'm 74 yrs old. Widow




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