Fault Codes/FG Wilson/CAN DATA FAILFG WilsonCAN DATA FAILUnclassifiedGeneralWhat This Code MeansCAN DATA FAIL occursPossible Causes•Failure of the CAN data link to the engine ECUSuggested Actions1Check all wiring2Check all wiring and termination resistors, if they are required3Check termination resistors if they are requiredRelated FG Wilson Fault CodesCAN ECU SHUTDOWNCAN ECU WARNINGFAIL TO STOPNOT IN AUTO MODE6FAIL TO START54HIGH COOLANT TEMPBrowse all FG Wilson fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for CAN DATA FAIL on your specific FG Wilson unit — cited to the OEM manual, not a forum guess.TRY IT FREE