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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. oem backup camera on fleet vehicle

    By garthruss,   
    • 4 replies
    • 1.6k views

  2. Harsh Downshift 1 2 3

    By gchu69,
    • 31 replies
    • 69k views

  3. Carplay text message to speech 1 2

    By ocbasbalburg,
    • 18 replies
    • 2.1k views

  4. Service Brake Assist - 148 miles into driving 1 2

    By Sfahey87,   
    • 19 replies
    • 19.5k views

  5. 1500 vs 2500 Tailgates (Multipro)

    By GarandPappy,
    • 1 reply
    • 9.9k views

  6. My 2020 caught fire 1 2 3

    By Kyle Paton,
    • 44 replies
    • 8.9k views

  7. Aux LED back up lights error

    By RunGMC19,
    • 9 replies
    • 4.8k views

  8. 2023 GMC Sierra check engine

    By HammyD,
    • 5 replies
    • 1.4k views

  9. USB Issue - 2021 Sierra 1500

    By MB2021SIERRA,
    • 4 replies
    • 4.6k views

  10. 2020 GMC Sierra elevation Steering wheel won’t telescope any more

    By JeffP33,
    • 7 replies
    • 6.2k views

  11. 2022 high country a/c issues

    By Kevin lambright,
    • 2 replies
    • 719 views

  12. 2020 LT flasher relay location

    By None12,
    • 5 replies
    • 26.5k views

  13. 2020 Sierra Infotainment Screen Won't Load - Frozen on GMC logo during startup

    By roccod787,   
    • 2 replies
    • 3k views

  14. 2021 Sierra 1500 AT4 tire road noise unbearable at 50-60 MPH 1 2

    By Florida_GMC,
    • 18 replies
    • 20.4k views

  15. 2020 Sierra Sliding Rear Glass Only Replacement

    By MacPH,
    • 0 replies
    • 417 views

  16. I got a free trans! 😁

    By caliwheelsandtires,
    • 11 replies
    • 2.1k views

  17. Infotainment screen light level 1 2

    By Bobv07662,
    • 17 replies
    • 17.6k views

  18. 2022 6.2 Exhaust leak & lifter noise...

    By 20L8TSierra24,   
    • 14 replies
    • 14.8k views

  19. brake monitor

    By silveradosid,
    • 1 reply
    • 784 views

  20. SOLVED!! New guy with 2020 AT4 and a gnarly rattle! 1 2

    By Traction,
    • 15 replies
    • 17.5k views

  21. HUD focus and windshield glare

    By David Sherill,
    • 1 reply
    • 1.8k views

  22. 2020 Silverado Electrical/AC issues

    By Eric Sanchez,
    • 1 reply
    • 767 views

  23. Park Assist Sensor Replacement

    By hoitzed,
    • 1 reply
    • 7.1k views

  24. Radio source changed after call 1 2

    By heffneil,
    • 25 replies
    • 2.5k views

  25. CV Axle Blues

    By GMGARBAGETRUCK,
    • 3 replies
    • 1.3k views
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