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Jjk537

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  1. Jjk537
    What I should have mentioned when I started this post is my truck 2023 Elevation 5.3 with the 10 speed transmission has no energy management active due to the chip shortage when purchased in 2022. when cruising between about 38 and 44 mph and just feathering the throttle it begins a low rumble and it’s pretty annoying especially when the dealer tells me it’s nothing. i have a new truck that vibrates and it’s nothing haha. wondering if there is a way to contact GM directly. someone is hiding something
  2. Jjk537
    Thank you for the response but one thing I neglected to mention, this truck does not have any energy management do to the chip shortage.
  3. Jjk537
    2024 Sierra Elevation 5.3 10 speed. Does anyone else notice a rumble from the transmission when traveling at a steady speed usually low 40’s with the rpm’s around 1200. actually vibrates my dash sometimes. The dealership say its a characteristic of the 10 speed but it sucks, period. started around 7k miles and is getting worse. I can avoid it by putting the transmission in low and limiting to 9 speed. anyone else frustrated by this?
  4. Jjk537
    My dealership said that could not replicate the issue and it bugs the hell out of me. Usually at about 43/44 mph and just lightly on the pedel my truck starts vibrating like your chugging a standard transmission. I think they are hiding something 2023 Elavation 5.3 10 speed
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