Troubleshooting & Recalls

744 topics in this forum

1. loose lug nuts

   By chevyltz3500, June 25
   • 5 replies
   • 468 views
   • 
   • chevyltz3500
   • June 29

2. 2016 2500hd Steering Issues

   By NN16HD, June 7
   • 5 replies
   • 416 views
   • 
   • GMCustomerService
   • June 22

3. Correlation between U0422-71 and P0471

   By Dirtystoker, March 25
   • 7 replies
   • 712 views
   • 
   • newdude
   • March 27

4. Power Folding Mirrors 1 2

   By CruseMissle, October 2, 2018
   • 15 replies
   • 26.6k views
   • 
   • newdude
   • March 17

5. Exhaust Drone

   By Issac Robert, January 29
   • 1 reply
   • 288 views
   • 
   • GMCustomerService
   • February 26

6. 2019 Sierra 2500 Cruise Control

   By HCH, February 4
   • 0 replies
   • 243 views
   • 
   • HCH
   • February 4

7. 2019 L5P Unresolved Issues 1 2

   By Chris828, May 27, 2021
   • 15 replies
   • 30.4k views
   • 
   • Bigelow432
   • January 15

8. crackling noise at base of windshield

   By dynoray, September 22, 2025
   • 6 replies
   • 1.1k views
   • 
   • dynoray
   • October 1, 2025

9. Turn signal bulb color wire

   By Jonathan26, June 1, 2025
   • 0 replies
   • 926 views
   • 
   • Jonathan26
   • June 1, 2025

10. Random Relay Clicking Noise near dash

    By Texas_Signmaker, June 30, 2019
    • 4 replies
    • 11.4k views
    • 
    • David Hamrick
    • May 26, 2025

11. Brand New Fuel Pump Making Weird Sound

    By Jason Petrin, May 10, 2025
    • 2 replies
    • 696 views
    • 
    • newdude
    • May 12, 2025

12. Leafspring U-Bolt Torque? Please.

    By deminimis, May 5, 2025
    • 1 reply
    • 639 views
    • 
    • deminimis
    • May 6, 2025

13. Rear emergency (parking) brake.

    By cutsal86, May 14, 2021
    • 4 replies
    • 2.2k views
    • 
    • toobzilla
    • April 23, 2025

14. 2016 3500hd right trailer brake light

    By Nick H, April 12, 2025
    • 0 replies
    • 456 views
    • 
    • Nick H
    • April 12, 2025

15. Please help!!

    By Mhelf, February 9, 2025
    • 2 replies
    • 702 views
    • 
    • asilverblazer
    • February 10, 2025

16. trailer brake service?

    By dan newberry, February 5, 2025
    • 0 replies
    • 833 views
    • 
    • dan newberry
    • February 5, 2025

17. Hood open warning and theft attempt warning 1 2

    By 4wdriver, March 25, 2017
    • 18 replies
    • 82k views
    • 
    • jrmcswain
    • February 3, 2025

18. Towing mirror running lights not working

    By Justinriek40, September 6, 2020
    • 12 replies
    • 38.6k views
    • 
    • CC1234
    • January 30, 2025

19. Truck rolls in park 1 2

    By Z71 CC LB, February 16, 2016
    • 16 replies
    • 20.8k views
    • 
    • swathdiver
    • January 19, 2025

20. 2017 low coolant level

    By Eric Mattinson, August 6, 2020
    • 7 replies
    • 47.8k views
    • 
    • CamGTP
    • January 8, 2025

21. Left front indicator failure

    By Alex_6.6, September 20, 2024
    • 4 replies
    • 3.4k views
    • 
    • Nchovan
    • December 3, 2024

22. "Service Power Steering" message on dash.

    By Suit, November 6, 2024
    • 1 reply
    • 744 views
    • 
    • newdude
    • November 6, 2024

23. Tailgate Lock wiring...

    By Gunn, November 20, 2017   

    • sierra tailgate lock wiring harness
    • 6 replies
    • 19.7k views
    • 
    • Loco rojo
    • November 4, 2024

24. Dash rattle coming from passenger side

    By Washburnvincent, February 12, 2022
    • 11 replies
    • 23.3k views
    • 
    • GMCustomerService
    • October 16, 2024

25. Trans shifts like its in tow haul but not

    By ben hale, September 23, 2024
    • 1 reply
    • 741 views
    • 
    • newdude
    • September 24, 2024