Aftermarket ECU to communicate with OEM Can Bus?

Is it possible to make the instrument cluster of a 2009 Mazda MX5 function when the OEM Engine Control Unit has been replaced with a stand alone ECU (DTA Fast, Series 60). The OEM gauges are all Can Bus type.
2016-05-07 20:12:38 Know nothing about vehicle, so is your instrument cluster defective now after replace the OEM Engine Control Unit? Maybe you could find help from Freematics 
Leff

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