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Clearing engine codes/prolonging degrade

Discussion in 'Freightliner Forum' started by Sktrucker89, Jun 14, 2017.

  1. Jun 14, 2017 #1
    Sktrucker89

    Sktrucker89 Bobtail Member

    32
    3
    Mar 9, 2016
    0
    hey there,
    I have a 2013 freightliner cascadia. My truck started showing codes for my def pump and I know my issue is my def pump harness wiring. Every time it rains these codes come up but this time it isn't going away and my truck will soon be degrading to 5miles per hour after 1000 miles. I'm at about 800 right now. So I was wondering that if I were to get the codes cleared will it reset the system to start from the beginning so that I could make it further to my destination? Or will it still be roughly 200 miles until it starts degrading.
    Thanks
     
    Sktrucker89, Jun 14, 2017
    Sktrucker89, Jun 14, 2017
    #1
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  3. Jun 14, 2017 #2
    shogun

    shogun Road Train Member

    6,075
    72,159
    Jan 23, 2009
    Doing a regen
    0
    You can unplug the speed sensor on the tail shaft of the transmission in a pinch. It will let the truck run normally, sometimes ungoverned, but you won't have the odometer or speedometer working. However it will keep you being on the side of the road going five miles an hour. It will also affect the way your Qualcomm recognizes the truck's movement, but it's mainly to override the de-rate 5 mph issue.
     
    shogun, Jun 14, 2017
    shogun, Jun 14, 2017
    #2
    Sktrucker89 Thanks this.
  4. Jun 15, 2017 #3
    little cat 500

    little cat 500 Road Train Member

    2,048
    1,093
    Jan 17, 2010
    Abbottstown PA
    0
    in hook you battery from truck should clear a derate does on mine but mines a 2005
     
    little cat 500, Jun 15, 2017
    little cat 500, Jun 15, 2017
    #3
    Sktrucker89 Thanks this.
  5. Jun 15, 2017 #4
    Ridgeline

    Ridgeline Road Train Member

    22,268
    114,855
    Dec 18, 2011
    Michigan
    0
    Maybe having the problem fixed would help.
     
    Ridgeline, Jun 15, 2017
    Ridgeline, Jun 15, 2017
    #4
    RocketyMan Thanks this.
  7. Jun 15, 2017 #5
    Sktrucker89

    Sktrucker89 Bobtail Member

    32
    3
    Mar 9, 2016
    0
    Yeah captain obvious. There must be a reason. Theres no shops nearby and i dont neccessarily wanna pay a hefty tow bill
     
    Sktrucker89, Jun 15, 2017
    Sktrucker89, Jun 15, 2017
    #5
  8. Jun 15, 2017 #6
    RocketyMan

    RocketyMan Medium Load Member

    549
    336
    Jun 5, 2015
    0
    Inspect for water intrusion in the connectors by the def pump AND the transmission tunnel.
     
    RocketyMan, Jun 15, 2017
    RocketyMan, Jun 15, 2017
    #6
    Sktrucker89 Thanks this.
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