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Diagnostic trouble code U3024 indicates: Módulo de Control Entrada Potencia Circuito B - Encendido Entrada Encendido/Arranque Circuito Correlación. It was set by your vehicle's onboard diagnostics system and will typically keep the check engine light on until it's addressed.
Upload your ECU file and DTC Doctor will detect this code (and any others) automatically, then remove it for good — no dealer visit, no guesswork.
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