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Scan gauge and No codes ?

Discussion in 'Generation 1 Prius Discussion' started by JamesGilmore, Jan 18, 2019.

  1. JamesGilmore

    JamesGilmore Junior Member

    Joined:
    Nov 20, 2018
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    Location:
    palmdale ca
    Vehicle:
    2002 Prius
    Model:
    I
    I bought a scan gauge ll and have it connected and set up in my 2002 prius. I seem to be getting codes thrown but the sca n gauge says NO codes pending. and when I pres clear codes it will clear the code then It come back... and clue why I cannot see any codes ?
     
    #1 JamesGilmore, Jan 18, 2019
  2. ChapmanF

    ChapmanF Senior Member

    Joined:
    Mar 30, 2008
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    0
    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    You can use a ScanGauge to read codes from the HV ECU, but not by default; you have to program in the right "XGAUGE"s for it, which vincent1449p managed to work out 9 years ago or so. Have you found those?
     
    #2 ChapmanF, Jan 18, 2019
  3. Itsmeonprius

    Itsmeonprius Member

    Joined:
    May 20, 2018
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    Location:
    Scotland
    Vehicle:
    2001 Prius
    Model:
    Active
    You'll be better off with getting Techstream and a laptop running XP. I've done lots to my gen1 and would have struggled with some problems without Techstream.

    Posted via the PriusChat mobile app.
     
    #3 Itsmeonprius, Jan 19, 2019
  4. JamesGilmore

    JamesGilmore Junior Member

    Joined:
    Nov 20, 2018
    13
    2
    0
    Location:
    palmdale ca
    Vehicle:
    2002 Prius
    Model:
    I
    I may well go to that but the car seems to run ok with random codes every few months....has yet to repeat what ever I bought the scan gauge for in december.....
     
    #4 JamesGilmore, Feb 14, 2019
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