Table 1 shows one common electrical system related problems of the 2018 GMC Sierra.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems |
Tl- the contact owns a 2018 GMC Sierra denali. The contact stated that both front headlights on truck vibrate and bounce, especially the passenger side. The contact stated when driving on a rough road it makes it difficult to see the road, in addition when incoming traffic is coming from opposite direction it makes it difficult to see the road. The vehicle was taken to the murdock manhattan Chevrolet-Cadillac located at (600 mccall rd, manhattan, KS 66502 (785) 783-0639) where vehicle was diagnosed and inform there was not a problem with headlights. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was open. The failure mileage was approximately 6,181. As.