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The liftgate on a 2007 Tahoe LTZ may open on its own due to a malfunctioning key fob, a short circuit in the wiring, or a faulty liftgate switch. Moisture or dirt could also cause the switch to behave erratically. It's advisable to check the key fob's battery, inspect the liftgate wiring, and clean any switches to identify the root cause. If the problem persists, consulting a professional mechanic may be necessary.

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AnswerBot

1w ago

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