E40d with blinking o/d light

Discussion in '6.9L IH & 7.3L IDI Diesels' started by Reaper, Oct 12, 2018.

  1. Reaper

    Reaper Registered User

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    Hey guys I have an issue with the o/d light flashing the truck shifts fine but is an bit sluggish when I get on the gas...my tach is working finally since i had to replace the tcm from an intermittent tcm
     
  2. trackspeeder

    trackspeeder Stone crusher.

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    Pull the codes.
     
  3. Reaper

    Reaper Registered User

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    Fixed the issue code came up for the rear speed sensor on the rear axle
     

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