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VSC light is staying on

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ksimmonsnj, Feb 15, 2012.

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  1. ksimmonsnj

    ksimmonsnj New Member

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    So the other day I was rotating my tires in my driveway, Once I was finished I took it for a test drive and about 2 minutes into the drive the traction control light (yellow light upper left hand corner) came on and has been on ever since. I haven't noticed anything else different while driving except the light remains on and that the "hill start assist" isn't working so I assume the traction control isn't working. I have tried pulling a code with a scan gauge but no codes where present and I also tried to reseting the battery by unplugging the ground cable for 10 minutes but no luck. I appreciate any suggestions
    Thanks in advance
    Kevin
     
    #1 ksimmonsnj, Feb 15, 2012
  2. cwerdna

    cwerdna Senior Member

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    You've got me confused. Your profile says 2004 Prius yet you posted in a Gen 3 area.

    There's no hill start assist on Gen 2, but there is on Gen 3.
     
    #2 cwerdna, Feb 15, 2012
  3. seilerts

    seilerts Battery Curmudgeon

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    You can pull codes by jumpering pins 4 and 13 on the DLC. See attached.
     

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    #3 seilerts, Feb 15, 2012
  4. ksimmonsnj

    ksimmonsnj New Member

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    I do have a 2010, Thanks for pointing that out that I never noticed that I had the wrong year posted in my profile.
     
    #4 ksimmonsnj, Feb 15, 2012
  5. ksimmonsnj

    ksimmonsnj New Member

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    I do not own a scan gauge, I just had the guys at autozone try to pull the codes and nothing came up on their tool
     
    #5 ksimmonsnj, Feb 15, 2012
  6. dmvp

    dmvp Member

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    I don't feel like heading out to the garage to grab my manual, but isn't there some sort of tire pressure sensor that needs to be reset when the tires are rotated? Maybe look into that.
     
    #6 dmvp, Feb 15, 2012
  7. The Critic

    The Critic Resident Critic

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    No reset is needed. Did you knock any connectors loose?

    MB860 ?
     
    #7 The Critic, Feb 15, 2012
  8. ksimmonsnj

    ksimmonsnj New Member

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    That is possible I will take a look in the morning
    Thanks
     
    #8 ksimmonsnj, Feb 15, 2012
  9. hadone

    hadone Junior Member

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    Just had the same problem with my 2011. After being at the dealer for 2 days and the area service tech review they found that a cable that runs up the A pillar on the drivers side was stretched to tight and causing a short in a connector that blew a fuse in the engine bay. First thought was mouse damage then a sensor in the steering column that controls the air bags. They also found that each time a door was opened the fuse would blow.

    I hope you have better luck than I did. Two days to find problem.
     
    #9 hadone, Feb 17, 2012
  10. ksimmonsnj

    ksimmonsnj New Member

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    Do you know which fuse was blowing maybe that blown fuse is causing my problem
    Thanks for the info
     
    #10 ksimmonsnj, Feb 18, 2012
  11. hadone

    hadone Junior Member

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    I do not know. Sorry I can't tell you more. I hope you have the problem fixed by now


    L
     
    #11 hadone, Feb 21, 2012
  12. Former Member 68813

    Former Member 68813 Senior Member

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    Do you count light blinks with this method?
     
    #12 Former Member 68813, Feb 21, 2012
  13. seilerts

    seilerts Battery Curmudgeon

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    Right, it will flash each warning lamp in sequence. They are two digit codes. Like ABS 45 would be the ABS light flashing 4 times, short pause, 5 times, longer pause, then either the next ABS code, or the next lamp (VSC).
     
    #13 seilerts, Feb 22, 2012
    1 person likes this.
  14. ksimmonsnj

    ksimmonsnj New Member

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    I have always wanted to buy a scan gauge, so I finally ordered on from amazon considering my VSC light is still on. Once it arrives I will follow SIELERTS instructions and try to see what code it reads and I will post my findings
    Thanks again for all the help
     
    #14 ksimmonsnj, Feb 24, 2012
  15. The Critic

    The Critic Resident Critic

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    If it's still under warranty, take it to the dealer.

    Otherwise, buy the Mangoose interface for Toyota Techstream. It will become invaluable to you once the car gets older.
     
    #15 The Critic, Feb 24, 2012
  16. ksimmonsnj

    ksimmonsnj New Member

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    So my scan gauge pulled three codes
    p0143
    p0196
    p0234
    Any ideas what caused this and also tried clearing the codes but the scan gauge continues to read them and my VSC light is still on
     
    #16 ksimmonsnj, Feb 25, 2012
  17. seilerts

    seilerts Battery Curmudgeon

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    Umm...I suggested jumpering the DLC to get codes. ScanGauge will not read Chassis or Body codes. None of those codes shows up as valid DTCs.
     
    #17 seilerts, Feb 25, 2012
  18. ksimmonsnj

    ksimmonsnj New Member

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    I know see what you mean, you just use a wire by itself and jump the two. But still not to sure what you mean by how you interpret the blinks. I briefly tried jumping them and then powering on the car and it seemed like all the dashboard lights were blinking and not sure which ones I should be counting???
    Thanks for the help in advance
     
    #18 ksimmonsnj, Feb 27, 2012
  19. seilerts

    seilerts Battery Curmudgeon

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    pm me your email and I can send you that section of the FSM.
     
    #19 seilerts, Feb 28, 2012
  20. ksimmonsnj

    ksimmonsnj New Member

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    Thank you Seilerts!!
    I finally got around to following you tip by using the jumper wire. It turned out to be throwing a code to do with alignment (must of happened when the car was of the ground for the tire rotation) and I reset the code by pumping the brakes and that did the trick NO MORE VSC LIGHT!!!!. Everything seems to be working just fine and I made sure skid control is still working by checking the hill assist.
    Thanks again for all the help
     
    #20 ksimmonsnj, Mar 28, 2012
    Rebound and ou812 like this.
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