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    Bobcat T770 aux no com and main no com codes

    Hello i have a 2019 Bobcat T870 with only 600'hrs. I am getting a M6604 code and it says no communication with ECU. I have checked all the connections and grounds. If I turn the key on the code immediately comes on and will not crank. One out of 20 times that I turned the key all the way into...
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