2020 GMC Sierra 1500 suspension problems
18 complaints about suspension have been filed for the 2020 GMC Sierra 1500, which is 3% of all its NHTSA complaints.
At a glance
- Complaints
- 18 3% of this year's complaints
- Crashes and fires
- 0 and 0
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
What the data shows
None of the suspension complaints mention a crash, fire, injury or death.
What owners wrote
Highway driving engine light started flashing, received codes on service ESC and service parking brake. Truck seemed to loose power transmission started shifting very hard, cruse disengaged,lane keep assist stopped working , brakes and steering seemed to act different . When ignition was turned off loud noises from under truck sounded like brakes releasing with loud clunking noise.
The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle started pulling to the left, and the vehicle ended up in the next lane. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer, who was unable to duplicate the failure. The vehicle was not repaired.
Other problems reported for the 2020 GMC Sierra 1500
- Engine 263 complaints
- Drivetrain & axles 97 complaints
- Electrical system 81 complaints
- Brakes 55 complaints
- Steering 37 complaints
- Fuel system 27 complaints
- Forward collision avoidance 18 complaints
- Wipers, windshield & visibility 15 complaints