Help eaton auto shift problems

Discussion in 'Trucks [ Eighteen Wheelers ]' started by boblynn, Dec 7, 2013.

  1. boblynn

    boblynn Bobtail Member

    27
    2
    Mar 6, 2008
    Knoxville,Tn
    0
    Truck has ran fine for 400 miles, then it decides to shift 4 to 5 to 6 and back down with out upshifting to 7th. Done this 2-3 times, finally got to ATL and it wouldn't go past 4th. Finally cleared codes and through fault code in 9th and 10th gear. Pulled into truck stop for 15 minutes, turned it on and no issues. Next day, still throwing fault codes when slowing down below 5th gear. Stop at SS and the thing won't move, cleared codes and got it out of road. ANY THOUGHTS?
     
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  3. bjytech

    bjytech Light Load Member

    132
    83
    Nov 9, 2013
    Ohio
    0
    What fault codes did it throw? Knowing them would be helpful.
     
  4. TDRV2000

    TDRV2000 Bobtail Member

    40
    13
    Feb 27, 2013
    Ohio
    0
    The company I haul for has 3 of them in company trucks. When they have a problem out on the road they unhook their batteries for 5 minutes. They said this lets the computer reset it's self. Most of the time this works for them.
     
  5. Jimmbuds

    Jimmbuds Medium Load Member

    398
    174
    Apr 20, 2009
    Daytona Beach, FL
    0
    Yup, works for me as well. Sometimes I have to unhook for as much as an hour for it to reset itself.
     
  6. Gear head

    Gear head Medium Load Member

    532
    90
    Apr 1, 2012
    Belair,md
    0
    Sounds like xy shifter going out. But unhook batteries first.
     
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