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Troubleshooting, Warranty & Recalls

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

3,469 topics in this forum

  1. Defroster Humming Noise

    By Borntorun,
    • 2 replies
    • 707 views

  2. side view mirror motor keeps running when going from reverse to forward

    By Alabama,
    • 2 replies
    • 426 views

  3. Rear End Bearing

    By Ridger,
    • 3 replies
    • 597 views

  4. 25' L84 Lifter failing @ 2800 miles. 1 2 3

    By 20L8TSierra24,
    • 31 replies
    • 5k views

  5. 10 Speed Valve Body Replacement

    By Tom73,
    • 6 replies
    • 8.9k views

  6. 2023 GMC 1500 At4 Mirror problem

    By doverarjim,
    • 1 reply
    • 431 views

  7. Here's how to open the Multifunction MultiPro Multi-Flex Tailgate without power

    By teesee150,
    • 3 replies
    • 1.8k views

  8. Radiator replacement at 90k miles

    By 11bravoZ71,
    • 8 replies
    • 24.5k views

  9. Passenger side mirror doesn't return fully to the original position after shifting out of reverse

    By DubVBenz,
    • 1 reply
    • 630 views

  10. Rear camera cuts out in reverse 1 2 3 4

    By Crambone,
    • 54 replies
    • 41.4k views

  11. 2025 Silverado RST 3.0 Diesel - No Audio

    By Rick Crockett,
    • 9 replies
    • 1.8k views

  12. Brake Sensor Noise with Plenty of Life Left on Pads

    By BlancoSilverado,
    • 9 replies
    • 2.8k views

  13. Trouble Starting After Getting Gas

    By hottbodyz,
    • 6 replies
    • 823 views

  14. UPDATED WITH RATTLE VIDEO**WHAT is this noise? 2024 Silverado 1500 WT, 5.3 1 2 3 4

    By s10dragracer888,   
    • 53 replies
    • 13.3k views

  15. Phone cuts out during call, rear cam bad at night

    By Mike Duhaime,
    • 0 replies
    • 237 views

  16. 2022 GMC AT4 AC Blower motor Issues

    By Scott Spiller,
    • 11 replies
    • 12.8k views

  17. Radio sound volume and quality..

    By Badbird2000,
    • 1 reply
    • 462 views

  18. Wireless CarPlay stopped connecting

    By shudog,
    • 6 replies
    • 1.5k views

  19. Service Steering Wheel Lock

    By smit303,
    • 2 replies
    • 396 views

  20. Headlights don't work - sometimes

    By JamesWalker,
    • 3 replies
    • 565 views

  21. 2021 Silverado 6.2 misfiring

    By Claudio Salgado,
    • 2 replies
    • 587 views

  22. Repairing Loose or Sheared Alignment Pins on 2021 Sierra 1500

    By tjonesdfw,
    • 1 reply
    • 1.1k views

  23. Service park assist fuse location 2019 GMC Sierra

    By Welder2014,
    • 8 replies
    • 1.2k views

  24. 2019 sierra AT4 P062f-00

    By Fowler,
    • 7 replies
    • 2.4k views

  25. Failed Leaf Spring Inserts

    By tjonesdfw,
    • 0 replies
    • 368 views

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