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Thread: speed in scanner reading about half

  1. #1
    Advanced Tuner Pro Street's Avatar
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    Aug 2006
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    speed in scanner reading about half

    Speed is correct on odometer but about half in scanner. Anyone have that happen.
    2000 Chevy 1500 and I flashed a 2002 OS into.
    Attached Files Attached Files
    2018 GMC Denali A8 6.2L
    2016 CTS-V
    2016 C7 Z06 A8
    2016 C7 Z06/Z07 A8 vert
    2015 Chevy SS 6.2 LS3 A6
    1996 Impala SS LT1 CAI
    1995 Chevy 1500 5.3 CAI Z06 cam
    1957 Chevy vert

  2. #2
    Senior Tuner
    Join Date
    Feb 2009
    Posts
    1,931
    Speedo settings are way wrong. Find a stock one and copy over or use bluecat software to calculate. Once you compare you will see what I mean.

  3. #3
    Advanced Tuner Pro Street's Avatar
    Join Date
    Aug 2006
    Location
    806
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    Ok Thanks
    2018 GMC Denali A8 6.2L
    2016 CTS-V
    2016 C7 Z06 A8
    2016 C7 Z06/Z07 A8 vert
    2015 Chevy SS 6.2 LS3 A6
    1996 Impala SS LT1 CAI
    1995 Chevy 1500 5.3 CAI Z06 cam
    1957 Chevy vert