Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. 6 way Tailgate

   By Bob Walton, March 13, 2020
   • 2 replies
   • 710 views
   • 
   • arcstarter
   • March 13, 2020

2. warning buzz sound from infotainment system; 2021 GMC 1500 Sierra Denali

   By WickTed, July 25, 2022
   • 2 replies
   • 907 views
   • 
   • WickTed
   • August 23, 2022

3. Overhead Sunglass Holder Screw Loose Inside

   By AJsierraslt1500, January 29, 2023
   • 2 replies
   • 702 views
   • 
   • 2016 Sierra Owner
   • January 31, 2023

4. 2020 GMC Sierra 1500 Brake System Failure; Looking for advice.

   By Ehalljr, February 8, 2025
   • 2 replies
   • 4k views
   • 
   • Ehalljr
   • March 27, 2025

5. Question on mesh screens.

   By Michael Minervino, October 21, 2019
   • 2 replies
   • 1.4k views
   • 
   • Michael Minervino
   • October 21, 2019

6. Automatic Braking

   By Tom73, April 11, 2022
   • 2 replies
   • 901 views
   • 
   • Tom73
   • April 16, 2022

7. Tailgate Open message

   By dieselfan1, October 2, 2024
   • 2 replies
   • 858 views
   • 
   • repairman54
   • October 5, 2024

8. 2023 Sierra 3500HD no GPS and no OnStar light

   By AC84, May 11, 2025
   • 2 replies
   • 603 views
   • 
   • cef2lion
   • May 15, 2025

9. Running boards

   By SCJ, August 24, 2019
   • 2 replies
   • 885 views
   • 
   • UGADawgs
   • August 24, 2019

10. 2025 Sierra idle

    By AlSeli, June 14, 2025
    • 2 replies
    • 924 views
    • 
    • Ben1029
    • January 31

11. Possible rust rot out spot

    By RPaul, March 29, 2021
    • 2 replies
    • 1.4k views
    • 
    • SteveCZ
    • March 31, 2021

12. Transmission Clunk/Jerk

    By mattsvtcobra, March 19, 2020
    • 2 replies
    • 4.5k views
    • 
    • ILSilverado
    • March 20, 2020

13. Speaker issues

    By DDH56, February 25, 2024
    • 2 replies
    • 2.6k views
    • 
    • andrewb24
    • March 6, 2024

14. Whistle in Recirculation AC Mode

    By dcarbs, July 16, 2019   

    • ac
    • recirculation
    • 2 replies
    • 923 views
    • 
    • dcarbs
    • July 16, 2019

15. Plastic caps on rocker panel

    By Paul Ternes, September 9, 2021
    • 2 replies
    • 844 views
    • 
    • Paul Ternes
    • September 10, 2021

16. Power Window Conundrum

    By Gangly, December 1, 2023
    • 2 replies
    • 4.6k views
    • 
    • ember1205
    • December 2, 2023

17. 19 GMC Sierra SLT IOS Infotainment System Screen Malfunction

    By italianlancer08, October 8, 2019
    • 2 replies
    • 954 views
    • 
    • italianlancer08
    • October 9, 2019

18. lower glove box wont unlock

    By Tim Cook, November 5, 2022
    • 2 replies
    • 5.8k views
    • 
    • Tim Cook
    • November 6, 2022

19. Trail Boss Drip + Exhaust sizzle

    By James G, April 9, 2020
    • 2 replies
    • 4.5k views
    • 
    • James G
    • April 9, 2020

20. Tpms

    By disneybaker, February 1, 2022
    • 2 replies
    • 762 views
    • 
    • Transient
    • February 1, 2022

21. Off Road Drive Mode Keeps Resetting

    By JWSmith6, December 26, 2024
    • 2 replies
    • 1.4k views
    • 
    • JWSmith6
    • December 26, 2024

22. P015B

    By jgisonfire, December 16, 2019
    • 2 replies
    • 12.2k views
    • 
    • Munchkin30
    • January 5, 2020

23. 2021 RST - Wipers turn on every start!

    By Brian Giles, July 16, 2021
    • 2 replies
    • 2.9k views
    • 
    • ericarenee
    • July 17, 2021

24. What are these wires?

    By Bbuster, October 27, 2024
    • 2 replies
    • 728 views
    • 
    • redwngr
    • October 28, 2024

25. 2019 Silverado 5.3 acceleration grinding

    By gt tangerine, April 16, 2019
    • 2 replies
    • 3k views
    • 
    • towdog333
    • April 21, 2019