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I have a G12 on which the DME, EPS, SAS, ACSM, DSC and VDP do not communicate as they are all red on ISTA+ . A new BDC was dealer purchased and was programmed to car and it still did not make the units to communicate. Major fault registered is Flexray related. I did trace all the FlexRay connections on all the modules referenced and all the communications are fine, all the units have power supply to them even though the faut complains of power suppler to them each. What do you suggest?
 

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