6430 computer communication errors

[johndeerefarmer]

But they did. In the 6030 series you can only access the troubles codes in the CommandCenter (that cute display in the right hand side console), otherwise you'll only access it with a Performance Monitor or the JD Service Advisor...

The Command Center should be a replacement for the digital displays that they had before. The instructions on how to access the codes and what they mean should be in the owner's manual

 

[MightyReek]

The Command Center should be a replacement for the digital displays that they had before. The instructions on how to access the codes and what they mean should be in the owner's manual

Indeed, but not all tractor have the Command Center. In some the instrument panel used is the one without digital information (except the hour meter, like the SE series), and in those ones it's impossible to access the codes without connecting with the CAN BUS.
Just add this to say that it is possible the the error codes are not directly accessible by the tractor owner/user.