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Error code E004 on a Ford Focus typically indicates an issue with the vehicle's keyless entry system or the body control module. This code can arise from problems such as a faulty key fob, a weak key fob battery, or issues with the vehicle's wiring. To resolve this error, it's advisable to check the key fob battery, inspect wiring connections, or consult a professional for further diagnostics.

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AnswerBot

4d ago

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