Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. iphone iPhone is continually lowered when connect to GMC

   By TRyan8, April 2, 2019   

   • reduced volume
   • gmc issue
   • 4 replies
   • 3.2k views
   • 
   • TRyan8
   • April 3, 2019

2. 2020 6.2 Denali leaking head gasket?

   By Shiva, June 18, 2020
   • 4 replies
   • 4.5k views
   • 
   • BIGDOGx
   • June 22, 2020

3. 20' Sierra Idle Vibration (2.7)

   By ESierra, June 29, 2022
   • 4 replies
   • 9.9k views
   • 
   • GMCustomerService
   • July 1, 2022

4. TPMS Malfunction - New 2019 SLT

   By MitchPI, September 3, 2019
   • 4 replies
   • 644 views
   • 
   • BlancoSilverado
   • September 3, 2019

5. Water Temp & Battery Level

   By Hogan Vinoski, February 24, 2020
   • 4 replies
   • 2.7k views
   • 
   • Pinnacle
   • February 25, 2020

6. Air Compressor Sound when I open door

   By Kee Yoker, September 9, 2019
   • 4 replies
   • 7.4k views
   • 
   • Jglew82
   • September 9, 2019

7. C0800-5A help!

   By Jerry Riviello Beast Mowed NEPA Landscaping, August 16, 2022
   • 4 replies
   • 17.9k views
   • 
   • Tarek Rahman
   • April 24, 2023

8. 2019 Sierra driver's seat rocks

   By Openmind, October 31, 2019
   • 4 replies
   • 795 views
   • 
   • GOOSE997
   • November 3, 2019

9. New to me 2022 Silerado Trail Boss with less than 21000kms

   By Stewart Pope, March 17, 2025
   • 4 replies
   • 779 views
   • 
   • redwngr
   • March 17, 2025

10. Listing of 2019 Engine Oil Cooler Line Failures

    By ShamrockShooter, April 29, 2019
    • 4 replies
    • 5.2k views
    • 
    • Shiva
    • May 27, 2020

11. Issue with trailering app

    By SuperDuper, August 12, 2019
    • 4 replies
    • 694 views
    • 
    • Rsktm300xcw
    • August 13, 2019

12. 2020 SLT SIERRA TRANSMISSION PROBLEMS!

    By Jake H., May 14, 2020
    • 4 replies
    • 11.1k views
    • 
    • bjr2020 6.2
    • September 26, 2020

13. Need Help No Crank

    By Fowler, March 31, 2025
    • 4 replies
    • 2.2k views
    • 
    • Fowler
    • April 3, 2025

14. Rear wheels lock up after idling for 10 mins

    By John Dooley, March 10, 2022
    • 4 replies
    • 1.4k views
    • 
    • UpstateNYguy
    • March 12, 2022

15. Radio display does not turn on with remote start - 2020 RST 3.0L Dmax

    By James Eberhart, July 17, 2022
    • 4 replies
    • 3.3k views
    • 
    • James Eberhart
    • September 12, 2022

16. CEL Silverado

    By Aldila, June 9, 2025
    • 4 replies
    • 594 views
    • 
    • Aldila
    • June 10, 2025

17. Engine is not smooth at idle.

    By Robert Meyer, December 8, 2020
    • 4 replies
    • 1.8k views
    • 
    • tlaw91
    • December 10, 2020

18. Android Auto - phone just started not connecting

    By NeverCold, December 2, 2019
    • 4 replies
    • 813 views
    • 
    • NeverCold
    • December 4, 2019

19. 2021 sierra At4 1500 AC intermittently not cooling

    By EBTulsa, September 15, 2023
    • 4 replies
    • 2.1k views
    • 
    • EBTulsa
    • September 18, 2023

20. 2019 Rusty Chrome Bumpers

    By ShamrockShooter, April 11, 2019
    • 4 replies
    • 2.1k views
    • 
    • ILSilverado
    • May 17, 2019

21. ESC almost wrecked my truck!

    By code-man26, March 11, 2020
    • 4 replies
    • 900 views
    • 
    • Jay P
    • March 12, 2020

22. Help finding fuse box bolt

    By PuffDr4gon, December 17, 2020
    • 4 replies
    • 6.6k views
    • 
    • Wayne Black
    • December 21, 2020

23. 2019 Sierra 5.3Li 4wd 1500 codes

    By 2019Sierra, May 11, 2024
    • 4 replies
    • 2.2k views
    • 
    • 2019Sierra
    • March 10, 2025

24. ESC almost wrecked my truck!

    By code-man26, March 11, 2020   

    • ESC
    • traction control
    • (and 2 more)

      Tagged with:

      • ESC
      • traction control
      • offroad
      • scary
    • 4 replies
    • 29k views
    • 
    • Amaaf
    • March 5, 2021

25. dash light - mileage

    By tomleo67, January 9, 2020
    • 4 replies
    • 620 views
    • 
    • tomleo67
    • January 10, 2020