Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. 2020 Sierra SLT Shudder 1 2

   By Evan Whatley, May 19, 2020
   • 18 replies
   • 23.7k views
   • 
   • pokismoki
   • October 16, 2022

2. 2020 Sierra Steering Wheel Locked

   By NorthernX31, May 5, 2025
   • 2 replies
   • 486 views
   • 
   • NorthernX31
   • May 7, 2025

3. 2020 Sierra X31 Clicking issues

   By Kevman89, September 19, 2020
   • 2 replies
   • 1.1k views
   • 
   • Kevman89
   • September 19, 2020

4. 2020 Silverado - “Service ESC”

   By Jmoss17, September 25, 2021
   • 4 replies
   • 2k views
   • 
   • Minnvmax
   • September 28, 2021

5. 2020 Silverado - High Pitch Whistle

   By Centex14, April 13, 2021
   • 11 replies
   • 11.5k views
   • 
   • Mario C
   • July 14, 2024

6. 2020 Silverado 13 months old and having issues since new with radio keep asking me to reset password

   By andrewb24, April 13, 2021
   • 1 reply
   • 1.5k views
   • 
   • wacnstac
   • April 14, 2021

7. 2020 Silverado 1500 DRL Issue

   By rjgerry, July 9, 2020
   • 0 replies
   • 1.2k views
   • 
   • rjgerry
   • July 9, 2020

8. 2020 Silverado 1500 LT 3.0L Duramax won't start

   By Dillon Ewals, May 26, 2023
   • 4 replies
   • 2.9k views
   • 
   • GMCustomerService
   • May 31, 2023

9. 2020 Silverado 1500 LT 5.3L Electronic Problems

   By D Farrow, June 10, 2025
   • 4 replies
   • 1.4k views
   • 
   • silveradosid
   • June 15, 2025

10. 2020 silverado 1500 rear bottoms out hard

    By krt480, November 27, 2020
    • 0 replies
    • 1.8k views
    • 
    • krt480
    • November 27, 2020

11. 2020 Silverado 1500 RST 3.0 Duramax Completely Shut Down

    By Jake_Melvin1, July 4, 2021
    • 2 replies
    • 1.5k views
    • 
    • Jake_Melvin1
    • July 9, 2021

12. 2020 Silverado 1500 vibration in steering wheel.

    By Felipe A, June 11, 2020
    • 9 replies
    • 12.1k views
    • 
    • Sheldon Stringer
    • February 21, 2022

13. 2020 silverado 2.7 issue / 90 psi oil pressure , No heat, bad MPG 1 2

    By rhoog, January 31, 2020
    • 16 replies
    • 23.1k views
    • 
    • davester
    • May 25, 2025

14. 2020 Silverado 2WD sway

    By RECONZAXC, April 26, 2020
    • 5 replies
    • 910 views
    • 
    • Memphis87
    • April 27, 2020

15. 2020 Silverado 3.0 Diesel Exhaust Falling Apart

    By Sqrls, December 8, 2020
    • 14 replies
    • 14.9k views
    • 
    • aemeott
    • March 27, 2023

16. 2020 Silverado 3500 Duramax Side Detection System Delete?

    By lucasbagby, June 18, 2020
    • 3 replies
    • 6.4k views
    • 
    • Seth21
    • January 25, 2022

17. 2020 Silverado 3500hd 6.6 gas consumes oil after 1000 miles on a fresh oil changes

    By Ahmad M Eltiti, December 3, 2023
    • 3 replies
    • 1.2k views
    • 
    • GMCustomerService
    • December 11, 2023

18. 2020 Silverado 5.3l runs rough

    By DMB, February 15, 2025
    • 2 replies
    • 687 views
    • 
    • silveradosid
    • February 17, 2025

19. 2020 Silverado 5.3L wont shift into L

    By Charles Bowman, September 24, 2020
    • 5 replies
    • 7.9k views
    • 
    • Bikerjon
    • May 30, 2023

20. 2020 Silverado 6 speed issues 1 2 3

    By R J, October 17, 2020
    • 31 replies
    • 12.8k views
    • 
    • Z45
    • October 19, 2020

21. 2020 Silverado auto headlights not working

    By Black-5.3, July 11, 2023
    • 3 replies
    • 3.5k views
    • 
    • GMCustomerService
    • July 12, 2023

22. 2020 Silverado Blend Door Noise

    By Crone9, August 30, 2021
    • 2 replies
    • 3.9k views
    • 
    • Anacortes Army Guy
    • August 31, 2021

23. 2020 Silverado brake controller

    By JON Weber, January 20, 2022
    • 9 replies
    • 11.6k views
    • 
    • JON Weber
    • January 21, 2022

24. 2020 Silverado Brake Failure while towing

    By mdot, July 5, 2021   

    • brake failure
    • trailer
    • (and 2 more)

      Tagged with:

      • brake failure
      • trailer
      • esc
      • abs
    • 7 replies
    • 8.8k views
    • 
    • mdot
    • July 17, 2021

25. 2020 Silverado custom

    By Mazzone, April 19, 2020
    • 4 replies
    • 909 views
    • 
    • Mazzone
    • April 22, 2020