Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. Air con dripping on exhaust?

   By Chris walker, June 7, 2019
   • 8 replies
   • 13k views
   • 
   • Black02Silverado
   • October 11, 2020

2. 2019 8speed Transmission temp and shifting issues

   By Bobv07662, September 18, 2020   

   • 8 speed transmission
   • 4 replies
   • 1.8k views
   • 
   • Bobv07662
   • October 11, 2020

3. GM Contact

   By jacob.j.plaza, October 9, 2020
   • 3 replies
   • 757 views
   • 
   • redwngr
   • October 9, 2020

4. Defrost works intermittently

   By JJ Slayton, October 9, 2020
   • 0 replies
   • 492 views
   • 
   • JJ Slayton
   • October 9, 2020

5. Front end noise-tires?

   By BlackRST, October 7, 2020
   • 5 replies
   • 970 views
   • 
   • BlackRST
   • October 8, 2020

6. Front bench underseat locking storage - Detach plastic bottom?

   By Duramax3oh, October 8, 2020
   • 0 replies
   • 522 views
   • 
   • Duramax3oh
   • October 8, 2020

7. 19 Silverado Exhaust leak

   By EagleRising, October 8, 2020
   • 2 replies
   • 1.2k views
   • 
   • EagleRising
   • October 8, 2020

8. 2020 gmc sierra 1500 won't start or even attempt to turn over

   By kgreen51, October 1, 2020
   • 9 replies
   • 23.9k views
   • 
   • winks79
   • October 7, 2020

9. Rear seat noise

   By Troger, October 6, 2020
   • 3 replies
   • 5.5k views
   • 
   • winks79
   • October 7, 2020

10. AC Woes on New Truck 1 2

    By KCU Beor, August 23, 2020
    • 20 replies
    • 2.9k views
    • 
    • winks79
    • October 7, 2020

11. Cold start squeak only lasts 20-30 seconds

    By Kelly Payne, August 27, 2020
    • 10 replies
    • 16.5k views
    • 
    • childstoys
    • October 6, 2020

12. Inside of drivers door wet and smelling musty

    By Nalby, September 13, 2020
    • 2 replies
    • 1.7k views
    • 
    • DaveHC
    • October 5, 2020

13. 2020 GMC Sierra 1500 Fender Liners

    By JPGMC1500, October 2, 2020
    • 1 reply
    • 1.5k views
    • 
    • Boondock
    • October 3, 2020

14. I gots a computer issue or something deep going on

    By Kramberry19, October 1, 2020
    • 3 replies
    • 11k views
    • 
    • forest
    • October 2, 2020

15. Tailgate Seamseal BREAK

    By BlancoSilverado, September 28, 2020
    • 4 replies
    • 836 views
    • 
    • Gangly
    • October 1, 2020

16. 2019 Sierra Seat Warmers On When Off

    By KevinGreen, October 1, 2020
    • 1 reply
    • 598 views
    • 
    • brianf60
    • October 1, 2020

17. Caliper, Hub or something else?

    By Jetblackz28, September 28, 2020
    • 10 replies
    • 1.3k views
    • 
    • Thejet07
    • September 30, 2020

18. Dull/faded looking rubber cowl cover?

    By Philipgonzales3, September 29, 2020
    • 1 reply
    • 1.3k views
    • 
    • 2016 Sierra Owner
    • September 29, 2020

19. Rough Idle

    By Mike Borowski, September 29, 2020
    • 0 replies
    • 511 views
    • 
    • Mike Borowski
    • September 29, 2020

20. Fan stays on after shutting truck off

    By Julio13, September 28, 2020
    • 5 replies
    • 4.8k views
    • 
    • Julio13
    • September 28, 2020

21. CarPlay with iOS 14

    By Mike Borowski, September 19, 2020
    • 5 replies
    • 1.1k views
    • 
    • Big Sky Eric
    • September 28, 2020

22. Knocking with 91

    By Weiser699, September 28, 2020
    • 3 replies
    • 680 views
    • 
    • newdude
    • September 28, 2020

23. I need some advice

    By GMC303SNET, September 27, 2020
    • 2 replies
    • 636 views
    • 
    • bshort
    • September 28, 2020

24. 2020 Sierra Denali 1500, Brand New, No Audio from speakers (intermittent)

    By GMCnoob, September 22, 2020
    • 2 replies
    • 2.3k views
    • 
    • DarkSky20
    • September 27, 2020

25. 2020 SLT SIERRA TRANSMISSION PROBLEMS!

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