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Central MN | I have a 2011 485 quadtrac that I would like to pull my strip till bar with. Strip till bar has a Montag/Mueller controller that is talking to but not communicating with my Pro 700. It shows it is communicating packets with the controller, however all but 2 of them show a cmd error. I can leave the machine for hours and it will just send packets back and forth. I have had a tech out twice that has done updates and even communicated with case with no luck. I have replaced the iso plug on the back of the tractor already. Could it be an issue in the TECU that wouldn't show a fault code? Running out of ideas....
Edited by Ag B.S. 7/16/2026 17:41
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Quadtrac/Montag ISO not recognizing
