Q: Drive light turns off at speed over 100 mph

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When I'm driving at high speed, and reach over 100 mph, the drive light on the automatic transmission would turn off. At that point, the car would jump slightly. After several seconds, the drive light would turn on. I've had the computer diagnostics done and this hasn't shown ay problems at all. The mechanic had the speed sensor and air flow sensor replaced. Also, the ATF has been drained and replaced. I still experience the same issue. Do you have any suggestions?

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