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What Causes Sudden Failure of Automatic Transmission Gear Shift?

1 Answers

MacBlakely

07/30/25 10:18am

Automobile automatic transmission sudden gear shift failure is caused by the gear lock being engaged, car battery power loss, etc. The following are specific introductions: Gear lock being engaged: Automatic transmission vehicles are equipped with a gear lock switch, mainly used to force gear shifting when the car has no power and cannot shift gears, or to prevent the vehicle from rolling. If this switch is accidentally touched, causing the gear to be locked, the gear shift will fail. The unlocking operation can be performed on the shift lever. Car battery power loss: Car battery power loss can also cause the inability to shift gears. You can check whether the lights and dashboard on the car are still displaying and working normally. If they are not working properly, it indicates that the car has a power loss. Simply recharge the battery to restore power.

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