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problems with my added accessory obd

Discussion in 'Gen 3 Prius Accessories and Modifications' started by johnjohnchu, Jul 15, 2015.

  1. johnjohnchu

    johnjohnchu Active Member

    Joined:
    Jan 12, 2008
    211
    104
    0
    Location:
    Los Angeles, CA
    Vehicle:
    2006 Prius
    Model:
    N/A
    My very cheap $4.35 Chinese OBDII unit can sometimes cause various Prius warning lights, including the red triangle, to come on unexpectedly without any fault code been logged. Unplugging the OBDII unit resolves the issue.
     
  2. Erik LOUISE

    Erik LOUISE New Member

    Joined:
    Aug 6, 2015
    1
    1
    0
    Location:
    Grenoble, France
    Vehicle:
    2010 Prius
    Model:
    Three
    I actually discovered I had the very same issue on a 2010 Prius 3 with 100.000 kms
    Cheap OBD2/BT adapter from amazon. Torque pro app on android. The problem happened 3 times in 2 days. My dealer has analyzed the issue without the OBD adapter and found nothing but a weird fault code in the memory of the car.
    Now I drove about 50 km without the adapter without any issue then I put the adapter back and I had the issue very quick after stopping the restarting the car with torque app on.
     
    #2 Erik LOUISE, Aug 6, 2015
    Last edited: Aug 6, 2015
    bisco likes this.
  3. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    108,810
    49,429
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    welcome! some have had the same issue here as well.