Speedometer off in brand new 2019 Cascadia

Discussion in 'Freightliner Forum' started by hogwyld92, Jan 19, 2019.

  1. hogwyld92

    hogwyld92 Bobtail Member

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    Oct 24, 2010
    slidell, LA
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    I just got into a new 2019 Cascadia. On the highway, my speedometer shows me going 65 mph but my truck is actually only going 60 mph. I know this is something for freightliner to deal with but I can't get in the shop for a while. Am I missing something. And when I do get it to freightliner, would it be a quick fix?
     
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  3. mhyn

    mhyn Road Train Member

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    Dec 29, 2008
    Northridge, CA
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    1 hour fix..
     
  4. uncleal13

    uncleal13 Road Train Member

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    Apr 9, 2009
    Humboldt, Sk
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    Possible the truck has smaller diameter tires on it now than it did at the factory.
    It's just a setting in the ecm. The dealer can change it in under ten mins.
     
    mhyn Thanks this.
  5. BrandonCDLdriver

    BrandonCDLdriver Road Train Member

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    Sep 1, 2017
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    It's definitely off. I know you're like "no #### sherlock" I have a 2018 Plasticadia and it's speedometer is DEAD on accurate. I am just letting you know that it can be made right.
     
  6. TruckRunner

    TruckRunner Heavy Load Member

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    Dec 21, 2017
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    I have a 19 as well and the problem I am facing is not even Freightliner mechanics know how to fix a 19. They all say they never worked on one before and don't know how to fix anything.
     
  7. Ubu

    Ubu Road Train Member

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    Aug 25, 2012
    Rumored to be somewhere
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    It's just an ECM setting (revolutions per mile). If your Freightliner dealer can't fix that, find another dealer.
     
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