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Mileage difference from cluster to ECU

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Icey, Mar 28, 2014.

  1. Icey

    Icey Member

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    Hi all
    My manager has an audi a4 and just got a cable from the states.
    i have done some mods and on auto scan it comes up the vin number and mileage ok as on dash.
    now when I access the Application tab on VCDS. And read mileage from EcU it comes up nearly 10k more.
    From 73331 to 83kish.

    does that mean it's been clocked ? I know it's 5% but that is more than 10% actually.


    Thanks for your help
     
    #1 Icey, Mar 28, 2014
    Last edited: Mar 28, 2014
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  3. Icey

    Icey Member

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    Anyone ?
     
  4. s3joe

    s3joe Active Member

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    Looks that way
     
  5. a3-205gti

    a3-205gti Member

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    Do old MOTs add up and maybe check vosa website
     
  6. hades-

    hades- Yorkshire & Humber Rep.
    Regional Rep VCDS Map User

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    on mune it comes up in kilometers so looks more as the clocks are in miles
     
  7. Sidhu88

    Sidhu88 Active Member

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    I've always seen slight differences on most cars i've worked on. some in the hundreds most in tens. Not as much as that though
     
  8. hollow

    hollow Active Member

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    probably been clocked in between mot's even though there is usually a slight difference between ecu and dash .
     
  9. Icey

    Icey Member

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    When I read the ecu in vcds it comes up as mk and miles so there is no confusion of miles or km's
     
  10. Staz

    Staz is a retronaut
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    Mine is massively different too. I've been meaning to look into but I haven't been that concerned.

    One reason is because when I scanned a neighbours car for fault codes there was one that had been logged with a date prior to when the car was built. It didn't give me a lot of confidence in the data in the ECU.
     
  11. @udi A3

    @udi A3 Site Sponsor
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    Its not hard to correct mileage in both ecu and clocks, maybe its had a replacement ecu in the past? Either that or whoever clocked it was just lazy. That mileage difference indicates either clocking or a previous failure for sure.
     
  12. Staz

    Staz is a retronaut
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    I've had my car since new so I can assure you it's not been clocked.
     
  13. steviedee

    steviedee Member

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    What I was told is that the clock mileage is not that accurate! mine is the same.
     
  14. Icey

    Icey Member

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    Where and how much would it cost to have e mileage corrected ?
    We are not trying any illegal stuff to do just so both mileage add up.
     
  15. Artimus

    Artimus Shortback

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    So the ECU mileage is more accurate? Any way to calibrate the clocks to the ECU?
     
  16. sliced

    sliced Drive safe, stay alive.

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    £70-150 depending on where you are based. type in mileage correction into google and a whole load will come up.
     

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