Troubleshooting, Warranty & Recalls

3,465 topics in this forum

1. Lane Departure Warning seat not actuating 1 2

   By Hi-Ho Silver, February 29, 2020
   • 16 replies
   • 18.8k views
   • 
   • Dnt
   • April 21, 2020

2. USB C Randomly not picking up my phone. 1 2

   By Tano53180, January 24, 2019   

   • usb c randomly not working.
   • 16 replies
   • 23.4k views
   • 
   • bigrb
   • October 10, 2019

3. 2021 3.0 LM2 CEL U026F & U1345 OBDII codes 1 2

   By Ioniq MPG, January 17, 2022
   • 16 replies
   • 22.6k views
   • 
   • Ioniq MPG
   • January 28, 2022

4. My Truck Stinks (usually after rain) 1 2

   By windsurfnut, September 23, 2025
   • 16 replies
   • 2.8k views
   • 
   • Mike Duhaime
   • April 6

5. 2019 flashing low fuel 1 2

   By Red highcountry, June 11, 2023
   • 16 replies
   • 1.5k views
   • 
   • Transient
   • June 16, 2023

6. Clank noise under truck when taking off or letting off the throttle at low speed. 1 2

   By lonewanderer812, August 18, 2022
   • 16 replies
   • 3.2k views
   • 
   • Jordy 604
   • November 5, 2022

7. Onstar Wi-fi speed 1 2

   By Jefez71, July 20, 2020
   • 16 replies
   • 31.6k views
   • 
   • RobT420
   • February 17, 2024

8. 2021 Trail Boss Wifi problems? 1 2

   By harborc, March 14, 2021
   • 16 replies
   • 16k views
   • 
   • harborc
   • March 23, 2022

9. 21 Infotainment V155 Update 1 2

   By SEBFL, July 15, 2021
   • 16 replies
   • 6.4k views
   • 
   • bdallas
   • April 21, 2023

10. A/C 1 2

    By TB3546, April 23, 2019
    • 16 replies
    • 31.7k views
    • 
    • Jacob007
    • August 6, 2019

11. Hard shift from park to reverse 1 2

    By AD80, November 8, 2019
    • 16 replies
    • 44.1k views
    • 
    • Scout Rob
    • February 15, 2023

12. Post your Pics of backup camera day/ night poor quality? 1 2

    By Dersch, May 15, 2020
    • 16 replies
    • 18.5k views
    • 
    • ChriZ71
    • September 5, 2021

13. Whistle noise on acceleration, 3.0 Diesel 1 2

    By s219, May 29, 2020
    • 16 replies
    • 20.9k views
    • 
    • Silverado Kelly
    • November 6, 2023

14. Engine Air Filter 1 2

    By PackerChev, August 5, 2020
    • 16 replies
    • 23.7k views
    • 
    • Grumpy Bear
    • August 19, 2022

15. STUCK IN PARK!!! 1 2

    By Jleslie52785, May 15, 2020
    • 16 replies
    • 4k views
    • 
    • Wayne Black
    • July 9, 2020

16. Trucks ****ed need answers 1 2

    By WhydIGoBack, September 23, 2021
    • 16 replies
    • 3.1k views
    • 
    • Yotaman
    • October 13, 2021

17. 2020 silverado 2.7 issue / 90 psi oil pressure , No heat, bad MPG 1 2

    By rhoog, January 31, 2020
    • 16 replies
    • 23.1k views
    • 
    • davester
    • May 25, 2025

18. Early build 2019 trans fluid 1 2

    By madconcept, March 13, 2020
    • 16 replies
    • 2.4k views
    • 
    • Maven
    • March 25, 2020

19. Engine misfire 1 2

    By Metro12, February 6, 2024
    • 16 replies
    • 24.7k views
    • 
    • MRDEE
    • April 13, 2024

20. 21 at4 6.2 transmission toast 1 2

    By Bob’s Sierra, March 30, 2022
    • 16 replies
    • 2.4k views
    • 
    • Bob’s Sierra
    • April 21, 2022

21. Android Auto stopped working 2019 Silverado Custom 1500 1 2

    By bigrb, August 30, 2019
    • 16 replies
    • 3.5k views
    • 
    • bigrb
    • February 17, 2020

22. Intermittent Crank NO Start for last 3 years only when colder than -20C. 1 2

    By HDET Mechanic D, January 24, 2025
    • 16 replies
    • 2.4k views
    • 
    • HDET Mechanic D
    • February 6, 2025

23. Tailgate handle LED Light? 1 2

    By Ksalway, March 28, 2020
    • 16 replies
    • 22.1k views
    • 
    • Zrouge1
    • November 17, 2020

24. Burning smell from brand new Diesel Sierra 1500 1 2

    By grrr027, July 7, 2020
    • 16 replies
    • 36.1k views
    • 
    • MacGyver 42
    • January 15, 2022

25. Catastrophic Failure at 3 months? 1 2

    By DC19AT4Ne, September 11, 2019
    • 16 replies
    • 4.9k views
    • 
    • Snow135
    • May 17, 2021