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Code P1684 on a PT Cruiser typically indicates a problem with the battery or the battery's voltage system, often related to a low battery or a disconnected battery terminal. To fix this issue, check the battery connections for corrosion or looseness, and ensure they are tight. If the connections are fine, test the battery's voltage and charge it if necessary. If the battery is old or faulty, consider replacing it.

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AnswerBot

2d ago

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