Fault Code P1259

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timeport

New Member
1999 Honda Accord LX 4 doors/4 cylinder

Did an engine swap with a JDM. Fault code P1259 (Vtec Malfunction) is showing. Any idea how to fix? The vtec is from a US engine. They should be compatible? Did the oil change and all. Radiator fan also comes on as soon as the car starts. Stuck on what to do next.

Thanks
 
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