Brake retarder control relay open

Discussion in 'Freightliner Forum' started by majk, Oct 25, 2013.

  1. HaneasCorbus

    HaneasCorbus Bobtail Member

    1
    0
    Nov 6, 2022
    0
    Just got the same code…any ideas?
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
    0
    It is usually a programming issue. You need to take it someone with Wabco toolbox software and knowledge how to troubleshoot.
     
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  5. MWTechGuy

    MWTechGuy Bobtail Member

    17
    6
    Nov 8, 2022
    0
    What is the fault SID/FMI from the ABS module directly?
     
  6. MWTechGuy

    MWTechGuy Bobtail Member

    17
    6
    Nov 8, 2022
    0
    Additionally the FMI 5 per SAE standard suggests an open circuit or something that should be there isn't showing. Something unplugged or broken wire. You can run into an issue if the ECU is replaced with a new module as it has updated data vs the original.
     
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