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2012 Hino 268A

Discussion in 'Hino Trucks' started by DieselPete85, Dec 6, 2017.

  1. DieselPete85

    DieselPete85 New Recruit Mechanic

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    I have a 2012 268a Hino and would like to know what the proper procedure is to get the DEF quality malfunction light off on the dash. I have already drained the tank and refilled but the light is still on. Also I have Hino Dx 2 software program and there are no codes stored in engine,doser,burner ecu's. Thanks
     
  2. DieselPete85

    DieselPete85 New Recruit Mechanic

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    Grease T anyone ?
     
    • Hino123

      Hino123 Active Expediter Researching

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      Connect to the engine with DX2
      Click on engine to open the links at the top of the screen
      Select data monitor and active test
      Open active test
      Go down to the bottom of the tests and select "urea scr related memory reset"
      After you reset the scr memory your light and alarm will go off... until whatever it was that set the light sets a fault again. 2012 Hino's use the Nox sensors for def quality as well. 60% of the time its a bad nox sensor.
       
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    • greasytshirt
      Dr Pepper Addict

      greasytshirt Moderator Staff Member Mechanic

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      I agree. I actually ran into this exact scenario today on a customer's vehicle.
       
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    • greasytshirt
      Dr Pepper Addict

      greasytshirt Moderator Staff Member Mechanic

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      I was wrong. It has escalated to an SCR catalyst.

      I tried the cheap thing first. Oh well.

      Sent from my XT1585 using EO Forums mobile app
       
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