Dec 17th 2012 #1 The NetDCU14 version with only one CAN and a Kernel Version lower 1.03 can't send CAN messages. This is fixed in Kernel 1.03 and above. Here a little workaround to fix it with older Kernel. Code reg open \Drivers\BuiltIn\NetDCU14\CAN2 reg set val Flags dword 4 reg save