I have an 07 WS with eaton ultrashift 13 speed. It does not want to shift 2nd to third. After it hits fourth, it works normal. If I shift manual, 2nd and third works fine. I don't know much about this transmission, I was hoping someone could help. I was thinking maybe x-y shifter needs replaced. Also don't know if this has anything to do with it, but it was throwing up code 61, (Detroit 60 14L) which is low voltage on injector. When I started shifting manual through third gear, the code doesn't come on.
Ultrashift problem
Discussion in 'Western Star Forum' started by Road*Runner, Jan 2, 2021.
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Connectors? -
Yes looked at that first.
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This little solenoid was the culprit. Changed it out and it solved all my issues.
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jsnell and daf105paccar Thank this. -
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