Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. V8 mode 1 2

   By Charm2999, January 10, 2021
   • 19 replies
   • 40.8k views
   • 
   • mjm-1957
   • October 28, 2021

2. Refresh parasitic draw 1 2

   By jaxcam02, July 15, 2023
   • 19 replies
   • 19.3k views
   • 
   • jaxcam02
   • September 5, 2023

3. 2019 trail boss 8spd problem 1 2

   By Ranger522vx, February 16, 2020
   • 19 replies
   • 7.6k views
   • 
   • madconcept
   • February 21, 2020

4. Sliding rear window melted plastic 1 2

   By Cb2001, February 11, 2020
   • 19 replies
   • 18.9k views
   • 
   • TomKatSmart
   • April 7, 2024

5. Brake Failure, Top Speed of 43 MPH 1 2

   By Justinrb70, March 17, 2023
   • 19 replies
   • 23.8k views
   • 
   • GMC Driver Now
   • February 8

6. Humming Noise In Rear After Shut Off 1 2

   By cabledude, October 22, 2022
   • 19 replies
   • 11.7k views
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   • Oscar Winner
   • February 21, 2023

7. Check trailer lights message 1 2

   By goat226, August 8, 2023
   • 19 replies
   • 31.2k views
   • 
   • Ntbgmc
   • May 21, 2025

8. Rear latch broke on my tonneau cover 1 2

   By Justin Loos, July 19, 2023
   • 19 replies
   • 21.5k views
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   • BHerz
   • May 29, 2024

9. 3.0 Duramax engine stoppage. 1 2

   By Kaze Morrissey, October 9, 2020
   • 19 replies
   • 6.9k views
   • 
   • steve841
   • January 6, 2021

10. 2022 Silverado 2.7 liter 1 2

    By gmer140, August 13, 2023   

    • Gas mileage
    • 19 replies
    • 9.3k views
    • 
    • KARNUT
    • September 7, 2023

11. Frame is peeling apart? 1 2

    By Boss2020, November 28, 2020
    • 19 replies
    • 9.6k views
    • 
    • Kclyatt
    • December 1, 2020

12. 400mi 2020 Silverado RST Duramax DEAD 1 2

    By FrankK986, January 18, 2020
    • 19 replies
    • 17.5k views
    • 
    • JimCost2014
    • May 17, 2022

13. AT4 rubbing with 35s and 6” lift 1 2

    By Antonio Kheir, April 13, 2019
    • 19 replies
    • 19.8k views
    • 
    • Dersch
    • June 3, 2021

14. Intermittent flashing SES light 1 2

    By Mat Benjamin, June 16, 2021
    • 18 replies
    • 3.2k views
    • 
    • Big Bopper
    • October 13, 2021

15. Constant rattling/shimmy rear drivers side passenger area 1 2

    By Kencav, December 22, 2018
    • 18 replies
    • 13.3k views
    • 
    • Sierra Dan
    • August 12, 2019

16. Scratch won’t come out 1 2

    By Bulkingallyear6, November 18, 2019
    • 18 replies
    • 2.9k views
    • 
    • Bulkingallyear6
    • November 24, 2019

17. Waterfall sound in dash at startup 1 2

    By tjonesdfw, September 5, 2024
    • 18 replies
    • 11.7k views
    • 
    • tjonesdfw
    • December 20, 2025

18. Carplay text message to speech 1 2

    By ocbasbalburg, May 13, 2023
    • 18 replies
    • 2.1k views
    • 
    • wepiii
    • May 19, 2023

19. Remote Start Issues 1 2

    By dan.hill, February 19, 2020
    • 18 replies
    • 52k views
    • 
    • Transient
    • December 27, 2021

20. NO auto speed sensitive volume control FOR THE REFRESHED MODELS 1 2

    By Big_Kahuna, November 27, 2022
    • 18 replies
    • 17.9k views
    • 
    • redwngr
    • September 28, 2024

21. 100K Mile Service Suggestions 1 2

    By Minnvmax, July 28, 2023
    • 18 replies
    • 15.1k views
    • 
    • Mshawn
    • August 13, 2023

22. Rear end jumping going over a big bump 1 2

    By cajunduck1, March 2, 2021
    • 18 replies
    • 13k views
    • 
    • RSVolcom
    • March 30, 2021

23. 2019 Headlight Adjustment 1 2

    By dphel27, October 8, 2018
    • 18 replies
    • 47.5k views
    • 
    • Fred U. Gough
    • September 12, 2021

24. 2021 Sierra 1500 AT4 tire road noise unbearable at 50-60 MPH 1 2

    By Florida_GMC, June 15, 2022
    • 18 replies
    • 20.3k views
    • 
    • Bikerjon
    • May 12, 2023

25. Dumb spare key for 2019? 1 2

    By Philipgonzales3, January 25, 2020
    • 18 replies
    • 16.3k views
    • 
    • Geofront
    • July 24, 2021