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Rupert, Idaho | We have an 8320 that is throwing error code HCU 58.
"External raise/lower switch Hitch may not operate as normally expected. Have your John Deere Dealer repair as soon as possible"
The external raise, lower switch does not work at all, the in-cab hitch controls work normally.
We tried a different switch and it made no difference.
We looked at HCU addresses 11 and 12. The readings responded correctly when the external switch was activated.
We removed the cover on the back of the cab and inspected the wiring harness that is accessible and everything looks ok.
I am officially out of ideas. Does anyone have suggestions on how to further troubleshoot this error code?
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