Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. WiFi suddenly stopped working Thursday June 10th

   By Mister White, June 14, 2021
   • 1 reply
   • 1.6k views
   • 
   • 2016 Sierra Owner
   • June 17, 2021

2. Navigation problem

   By jawsmon, November 14, 2022   

   • voice prompt problem
   • 1 reply
   • 835 views
   • 
   • GMCustomerService
   • November 18, 2022

3. Radio Stations on Driver Info Screen???

   By papasink, June 1, 2020
   • 1 reply
   • 640 views
   • 
   • Cboc21
   • June 2, 2020

4. DEF Gauge Error

   By Jaketab, January 24, 2022
   • 1 reply
   • 549 views
   • 
   • redwngr
   • January 25, 2022

5. Tailgate Rubber Bushing Part Identification

   By Mithrandir, January 1, 2025
   • 1 reply
   • 673 views
   • 
   • silveradosid
   • January 2, 2025

6. 2019 Active Grll Shutters

   By Scooter Scott, August 26, 2025
   • 1 reply
   • 434 views
   • 
   • silveradosid
   • August 28, 2025

7. Park Assist Sensor Replacement

   By hoitzed, May 5, 2023
   • 1 reply
   • 7.1k views
   • 
   • BIgTruckDriver200
   • May 6, 2023

8. Heated steering wheel interchangeable?

   By slimjim2525, November 29, 2024
   • 1 reply
   • 446 views
   • 
   • tbarn
   • November 29, 2024

9. 2020 GMC Sierra "Extended Parking"- how to disable

   By Hans Antonsen, December 15, 2021
   • 1 reply
   • 1.4k views
   • 
   • Jac365
   • December 16, 2021

10. Being towed

    By tow truck, March 19, 2023
    • 1 reply
    • 759 views
    • 
    • silveradosid
    • March 21, 2023

11. 3 beeps from Dashboard

    By metalsman, November 5, 2019
    • 1 reply
    • 8.1k views
    • 
    • DaveHC
    • November 11, 2019

12. Service Trailer Brake System Message

    By rhamill1, July 11, 2019
    • 1 reply
    • 3.4k views
    • 
    • JJM05
    • June 2, 2020

13. Bluetooth not connecting

    By Bluetooth connection issue, October 29, 2019
    • 1 reply
    • 970 views
    • 
    • Zrouge1
    • October 30, 2019

14. Loud beep on start up

    By Gbpd015, July 11, 2022
    • 1 reply
    • 1.3k views
    • 
    • GMCustomerService
    • July 15, 2022

15. 5.3 with 6 speed hard down shift

    By Metz54, August 31, 2020
    • 1 reply
    • 930 views
    • 
    • bghurc
    • September 2, 2020

16. Third horn in ten months

    By sailor, August 26, 2022
    • 1 reply
    • 575 views
    • 
    • GMCustomerService
    • September 2, 2022

17. 2023 GMC 1500 At4 Mirror problem

    By doverarjim, October 30, 2025
    • 1 reply
    • 393 views
    • 
    • Transient
    • October 31, 2025

18. 2019 siera 5.3 DFM overide?

    By DaveHC, October 23, 2019
    • 1 reply
    • 690 views
    • 
    • OnTheReel
    • October 23, 2019

19. 2019 GMC Serra Sirus Radio not working

    By Robert Metcalfe, May 29, 2023
    • 1 reply
    • 415 views
    • 
    • Bikerjon
    • May 30, 2023

20. Battery current sensor connector

    By Albert Palos, January 2, 2025
    • 1 reply
    • 1.4k views
    • 
    • redwngr
    • January 5, 2025

21. Shift to Park Message Warranty Claim

    By tjonesdfw, June 19
    • 1 reply
    • 178 views
    • 
    • Coastie05
    • June 19

22. CarPlay connecting intermittently

    By cdrake, January 12, 2020
    • 1 reply
    • 1.3k views
    • 
    • afterburner82
    • February 7, 2020

23. Trailer plug

    By 05ChevSilverado, September 6, 2023
    • 1 reply
    • 653 views
    • 
    • redwngr
    • September 6, 2023

24. Faint Squeak from keyless ignition/dash

    By tgriffi2, July 26, 2019
    • 1 reply
    • 523 views
    • 
    • tgriffi2
    • July 26, 2019

25. Rumble Noise when in tow haul mode

    By Demarsico, September 2, 2021   

    • GMC
    • at4
    • (and 2 more)

      Tagged with:

      • GMC
      • at4
      • 6.2l
      • towing
    • 1 reply
    • 6.2k views
    • 
    • bigdoug42
    • September 6, 2021