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Troubleshooting, Warranty & Recalls

The help desk. Diagnose Google Built-In glitches, transmission shudder, check engine lights, and discuss warranty claims.

3,465 topics in this forum

  1. Leaf Bushings

    By Metz54,
    • 0 replies
    • 529 views

  2. 5.3 10spd shudder

    By TeamSaris,
    • 12 replies
    • 3.2k views

  3. So done with GM. Flashing CEL is back. 1 2

    By Stephen Gaze,
    • 22 replies
    • 12.1k views

  4. lack of sound deadening

    By Duramax2021,
    • 9 replies
    • 4.5k views

  5. Sensitive steering on the new body Silverado?

    By Teopolis,
    • 6 replies
    • 4.7k views

  6. 3.0 Duramax Extended Crank/No Start Poll

    By WontStart,   
    • 0 replies
    • 3.3k views

  7. Quick 3 mo review

    By Jimmy G,
    • 0 replies
    • 483 views

  8. 2020 AT4 Duramax - Knocking at low speed on downshift

    By Baker 5,
    • 1 reply
    • 685 views

  9. Trialer Brake Question

    By retiredMarine2,
    • 7 replies
    • 1k views

  10. Rumble Noise when in tow haul mode

    By Demarsico,   
    • 1 reply
    • 6.2k views

  11. 2019 infotainment screen

    By Hoggfan,
    • 4 replies
    • 1.1k views

  12. Endless Engine light display

    By Sarah Ivankovich,
    • 14 replies
    • 12.9k views

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

    By Dersch,
    • 16 replies
    • 18.5k views

  14. 2022 Prospects

    By Doolin-Dalton,
    • 4 replies
    • 1.2k views

  15. Getting Windows iTunes on a USB drive to play on our 2020 GMC Sierra

    By KatGV,
    • 3 replies
    • 1.8k views

  16. Dual battery replacement

    By MBenm,
    • 2 replies
    • 11.8k views

  17. 2020 Sierra 1500 Tailgate Won't Open After Removal and Reinstall

    By brulosopher,   
    • 0 replies
    • 3k views

  18. 2019 Sierra Denali 6.2, won’t start

    By 2019 GMC Sierra Denali,
    • 0 replies
    • 440 views

  19. Dash Cam interfering with TPMS

    By Cliff Wahlstrom,
    • 0 replies
    • 599 views

  20. 2019 Silverado 1500 Camera question

    By Lyons00,
    • 4 replies
    • 917 views

  21. 2020 Silverado Blend Door Noise

    By Crone9,
    • 2 replies
    • 3.9k views

  22. All 16 lifters replaced, CEL come back after a 100 miles.

    By Jh8473,
    • 1 reply
    • 758 views

  23. Help with part number/name.

    By BrizzoDaIzzo,
    • 8 replies
    • 2.4k views

  24. 2019 Trail Boss - Defroster always blowing cold AC and windshield fogs up

    By wahoowad,
    • 1 reply
    • 922 views

  25. Tom

    By Thomas Hedick,
    • 4 replies
    • 1.4k views

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