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Replies to post #85326 on Tesla Inc (TSLA)
At least 12 complaints filed with the Department of Transportation and first reported by Business Insider are related to how Tesla vehicles are put into reverse. Seven users have reported confusion with the gearshift design, resulting in them sometimes putting the car into drive when they intended to shift to reverse, or vice versa. Five other complaints were from people who said their Teslas appeared to switch between drive and reverse without warning, according to Business Insider.
More Tesla owners have written about the issue in Tesla forums. In one post, a user in 2022 wrote that they had accidentally "shifted to reverse instead of drive" three times in the two years they'd owned a Tesla.
For an expert opinion, KXAN took the case to Dragan Djurdjanovic. A professor in mechanical engineering, Djurdjanovic looked into similar allegations against Tesla around 2008. The expert said it's very possible that electromagnetic interference between wires caused the accident.
Not only can low-frequency magnetic fields pose health hazards to human beings, but they can also affect some electric control units (ECUs) in a vehicle. An ECU that consists of Hall-effect sensors located near the battery pack or powertrain modules could be affected by the low-frequency magnetic field if no sufficient shielding is provided.
The electromagnetic interference affects the automobile electronic control system mainly in two ways: one is to affect the input signal of the sensor of the electronic control system, causing distortion and resulting in electric control signal where the ECU output does not match the driver's intention, which leads to the wrong operation of the actuator; the other is to interfere the ECU output signal to result in its deviation, misleading the operation of the actuator.
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