Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. Front Parking Sensor Issues

   By Tyrkak, July 5, 2019
   • 5 replies
   • 25k views
   • 
   • [email protected]
   • March 7, 2021

2. Need help diagnosing noises coming from my 2020 Silverado 1500 5.3L

   By Sir_Griglesworth, January 5, 2023   

   • engine
   • Silverado
   • (and 6 more)

     Tagged with:

     • engine
     • Silverado
     • noise under truck
     • noise
     • transmision
     • 1500
     • 2020
     • troubleshooting
   • 5 replies
   • 3.4k views
   • 
   • GMCustomerService
   • January 9, 2023

3. 2021 Paint Issues

   By RBowser, July 23, 2021
   • 5 replies
   • 10.9k views
   • 
   • RBowser
   • August 3, 2021

4. Alert on My GMC app

   By Tom73, May 7, 2022
   • 5 replies
   • 2.8k views
   • 
   • Jrodpic
   • May 7, 2022

5. Turn Signal Volume

   By JeffK1, August 16, 2019
   • 5 replies
   • 20.9k views
   • 
   • BlancoSilverado
   • August 19, 2019

6. Running Lean Bank 1 & 2

   By JohnZ71, January 14, 2022
   • 5 replies
   • 12.8k views
   • 
   • Black02Silverado
   • January 30, 2023

7. Exterior ambient temp sensor reset?

   By MadMatt3883, September 11, 2023
   • 5 replies
   • 44.4k views
   • 
   • Muddturtle1231
   • September 12, 2023

8. Active shutter installation?

   By Controller23, December 20, 2019
   • 5 replies
   • 1.6k views
   • 
   • Jaychevy81
   • December 20, 2019

9. 2019 Trail Boss Phone/microphone issues

   By Gcrew, March 5, 2019   

   • apple carplay
   • onstar
   • (and 1 more)

     Tagged with:

     • apple carplay
     • onstar
     • bluetooth
   • 5 replies
   • 10.8k views
   • 
   • mbaee
   • November 30, 2024

10. Back up camera fuzzy/lines

    By tanner709, June 5, 2019   

    • backup cam camera infotainment touch screen lines fuzzy blurry
    • 5 replies
    • 23k views
    • 
    • Vicky
    • September 17, 2024

11. 2023 silverado 1500 RST duromax

    By byebye1500, June 4, 2023
    • 5 replies
    • 3.2k views
    • 
    • BB68
    • June 4, 2023

12. No brakes when shifting into reverse

    By Phoneline99, November 6, 2019
    • 5 replies
    • 3.9k views
    • 
    • Phoneline99
    • November 7, 2019

13. Cabin air filter

    By Vasa1, February 3, 2020
    • 5 replies
    • 40.9k views
    • 
    • BIGDOGx
    • February 4, 2020

14. Leaf Springs

    By LGJ1984, September 17, 2020
    • 5 replies
    • 2.4k views
    • 
    • BlancoSilverado
    • September 21, 2020

15. Tow mirror whistle

    By Dersch, July 3, 2020
    • 5 replies
    • 5.9k views
    • 
    • truck27
    • April 15, 2022

16. GMC Multipro Tailgate

    By Certpilot, November 24, 2023
    • 5 replies
    • 2.2k views
    • 
    • ember1205
    • November 26, 2023

17. Nav SD Card

    By Tom73, December 15, 2022
    • 5 replies
    • 12.6k views
    • 
    • Tom73
    • July 12, 2023

18. AT4 drivers seat noise?

    By GMC207, November 30, 2020
    • 5 replies
    • 10.2k views
    • 
    • Dan Petruzzi
    • June 13, 2021

19. Engine power reduced

    By Aesthetix, February 9, 2020
    • 5 replies
    • 16.6k views
    • 
    • zzrsouth
    • February 9, 2020

20. 2020 3.0 P026A cel

    By Grey3liter4x4, October 27, 2021
    • 5 replies
    • 26.1k views
    • 
    • redwngr
    • November 15, 2024

21. Power-Retractable Assist Step Won't Retract - 2024 Denali

    By SinisterSS, December 16, 2023
    • 5 replies
    • 54.1k views
    • 
    • repairman54
    • December 27, 2023

22. 2020 3.0 Duramax, tow mirror functionality question

    By AlexB, January 14, 2021
    • 5 replies
    • 2.3k views
    • 
    • stewartzach117
    • April 13, 2021

23. P189A/P1899 Transmission Error Codes Following Lift and New Tires

    By Chris27012, June 19, 2019   

    • transmission
    • 5 replies
    • 15.4k views
    • 
    • Nikko614
    • December 19, 2019

24. Autostop Stopped

    By Landry, August 5, 2019
    • 5 replies
    • 6.7k views
    • 
    • GMCShack
    • August 8, 2019

25. Crew cab rear doors

    By i3ills, May 1, 2020
    • 5 replies
    • 941 views
    • 
    • davidr83
    • May 7, 2020