Troubleshooting, Warranty & Recalls

912 topics in this forum

1. Brake Pad Wear Reset problem

   By MikeMikeMike, October 23, 2021
   • 6 replies
   • 9.8k views
   • 
   • kylant
   • December 10, 2022

2. Side Mirror tightening

   By marpel, December 10, 2022
   • 0 replies
   • 4.7k views
   • 
   • marpel
   • December 10, 2022

3. Google On Car Play

   By Rob Sarabin, December 1, 2022
   • 1 reply
   • 717 views
   • 
   • Random
   • December 1, 2022

4. Subtle bouncing when idling and slow speed surging

   By bowtie2007, November 14, 2022
   • 4 replies
   • 1.6k views
   • 
   • bowtie2007
   • November 30, 2022

5. Glitchy radio/infotainment system/screen

   By Pryme, September 9, 2022
   • 2 replies
   • 1.2k views
   • 
   • Pryme
   • November 29, 2022

6. Trailer TPMS setup not detecting sometimes

   By mkirkland, November 29, 2022
   • 0 replies
   • 497 views
   • 
   • mkirkland
   • November 29, 2022

7. 2020 Chevy gas harsh downshift 1 2

   By Nathan Leslie, February 24, 2020
   • 18 replies
   • 21.8k views
   • 
   • GMCustomerService
   • November 28, 2022

8. 2021 compass won't reset

   By Wjjones, November 19, 2022
   • 3 replies
   • 6.2k views
   • 
   • GMCustomerService
   • November 28, 2022

9. 2020 2500HD WT Duramax Terrible Rear Sway

   By Lightenup, May 9, 2020
   • 10 replies
   • 8.2k views
   • 
   • Maninthesea
   • November 21, 2022

10. 2021 2500HD Sierra Denali won't start but cranks over

    By 2021 2500hd denali, December 16, 2020
    • 6 replies
    • 5.2k views
    • 
    • GMCustomerService
    • November 14, 2022

11. IOR Radio USB track information stuck on first track

    By Fred32, July 27, 2022
    • 8 replies
    • 2.1k views
    • 
    • Fred32
    • November 10, 2022

12. Radiator fan always spinning

    By Trailblaster, November 9, 2022
    • 2 replies
    • 2.1k views
    • 
    • newdude
    • November 9, 2022

13. rear window defrost not working

    By kylant, November 1, 2022
    • 1 reply
    • 1.7k views
    • 
    • kylant
    • November 2, 2022

14. Battery Light

    By JoeyF1722, October 31, 2022
    • 9 replies
    • 2.3k views
    • 
    • JoeyF1722
    • November 2, 2022

15. 2020 High Country 2500 trailer won't disengage

    By John Weber, October 20, 2022
    • 6 replies
    • 916 views
    • 
    • gemarsh
    • November 2, 2022

16. 2020 Sierra 2500 HD Denali No power to trailer lights

    By freekie, October 5, 2022
    • 8 replies
    • 11.6k views
    • 
    • freekie
    • October 28, 2022

17. With Keyless Ignition is there an Assessory Polition Like with a key to have Power ON ?

    By Cosmic Charlie, September 12, 2022
    • 10 replies
    • 1.7k views
    • 
    • GMC4Zee
    • October 25, 2022

18. Infotainment Screen Camera Buttons all flashing and Inoperative

    By NWStever, August 6, 2022
    • 8 replies
    • 2.5k views
    • 
    • NWStever
    • October 24, 2022

19. Turn signal wires in the cab?

    By kevin74, October 23, 2022
    • 0 replies
    • 1.2k views
    • 
    • kevin74
    • October 23, 2022

20. Fender flare light not working no power

    By Cootr68, October 22, 2022
    • 0 replies
    • 2k views
    • 
    • Cootr68
    • October 22, 2022

21. Left Rear Turn Signal Failure ‘21 Duramax

    By BAveryP, October 3, 2022
    • 3 replies
    • 2.5k views
    • 
    • RedLT
    • October 11, 2022

22. Need help w/Sensor location and P111E code

    By blamkin86, October 9, 2022
    • 1 reply
    • 4.3k views
    • 
    • blamkin86
    • October 9, 2022

23. Lost Navigation

    By kylant, October 7, 2022
    • 1 reply
    • 736 views
    • 
    • hotairgypsy
    • October 8, 2022

24. Glitching windshield wipers

    By ForestAT4, October 7, 2022
    • 1 reply
    • 1.6k views
    • 
    • Pryme
    • October 7, 2022

25. 2020 duramax truck jolting while towing

    By bryant87, July 12, 2022
    • 2 replies
    • 2.8k views
    • 
    • bryant87
    • October 5, 2022