6.7L Engine
First is to look at all the fuses for the ABS system. Then have it scanned for codes, Fix these first. Could be sensors, could be wiring. If the scanner will not read codes or data from the ABS, then you'll need wiring diagrams and pin outs for the plugs. First is to check for power and ground at the plug. There are several to check. Next is continuity of the wires from module to module. Older U codes were no communications between computers. Today it can be that, but invalid could also be a bad sensor in the ABS system.
Well you better study up on vehicle communication networks . C.A.N - controller area network . How to Diagnose Controller Area Network CAN . Then your going to need factory service repair information . U0418 Ford Invalid Data Received From Brake System Control Module
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