2024 Tahoe HC 6.2L - 30,000 miles the truck has a small but noticeable vibration between 30 - 33 mph and between 50-52 mph. The vibration only occurs at light throttle, but as soon as throttle is increased, it goes away. It feels like a torque converter issue, but without the ability to see the lockup percentage I cannot tell for sure. More @Wikipedia
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