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2017 Prius V

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by Steve Kind, Aug 18, 2023.

  1. Steve Kind

    Steve Kind Junior Member

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    Woke up this morning and this is what I saw on the dash Any idea what could be wrong
     

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    #1 Steve Kind, Aug 18, 2023
  2. Air_Boss

    Air_Boss Senior Member

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    Does the car go into READY? How old is your 12V AUX battery?
     
    #2 Air_Boss, Aug 19, 2023
    Doug McC likes this.
  3. bisco

    bisco cookie crumbler

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    could be a speed sensor, bad tires, wheel bearing, brake actuator. get the trouble codes read by someone with hybrid aware scanner.
    you can try auto zone for a free scan, sometimes it helps, sometimes it doesn't.
     
    #3 bisco, Aug 19, 2023
    Brian1954 likes this.
  4. Steve Kind

    Steve Kind Junior Member

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    12 volt battery is only 2 months old
     
    #4 Steve Kind, Aug 19, 2023
  5. Steve Kind

    Steve Kind Junior Member

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    I have an A
    I have an Ancel AD310 scanner and it came up with no problems
     
    #5 Steve Kind, Aug 19, 2023
    bisco likes this.
  6. Steve Kind

    Steve Kind Junior Member

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    Went to Auto Zone and this is the scan
     

    Attached Files:

    #6 Steve Kind, Aug 19, 2023
  7. Air_Boss

    Air_Boss Senior Member

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    That would be really quick for a brake booster/accumulator/cylinder failure. No codes? Interesting.
     
    #7 Air_Boss, Aug 20, 2023
  8. Kenny94945

    Kenny94945 Active Member

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    I see a Code appear as 1391 (on the report above).

    One Internet search shows:
    What are the Possible Causes of the DTC C1391 Toyota? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Fluid Leakage Faulty Brake Actuator Assembly Brake Actuator Assembly harness is open or shorted Brake Actuator Assembly circuit poor electrical connection
    Check here How to Fix the DTC C1391 Toyota? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
    Need More Information on the C1391 Toyota Code? Get Access to Factory Service Manuals

    Read more: https://www.autocodes.com/c1391_toyota.html

    FWIW. You did not accidentally press the traction control button driver's left lower button panel; did you?
    Mice. Known issues.
    Good luck.
     
    #8 Kenny94945, Aug 20, 2023
    Air_Boss likes this.
  9. Tim Jones

    Tim Jones Senior Member

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    Bummer......... $1500
     
    #9 Tim Jones, Aug 24, 2023
  10. Steve Kind

    Steve Kind Junior Member

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    I might have accidentally pressed the traction control button. How to I reverse that? I’ve tried to press it again but nothing happens
     
    #10 Steve Kind, Aug 25, 2023
  11. rjparker

    rjparker Tu Humilde Sirviente

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    This was a problem acknowledged by Toyota through the 2015 v. The 2017 is still a gen3 so you might try the dealer.

    IMG_2713.jpeg
     
    #11 rjparker, Aug 25, 2023
    Tim Jones likes this.
  12. Tim Jones

    Tim Jones Senior Member

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    Have you noticed the brake pump running more often. It makes the noise when you open the door in the morning.... you should rarely hear it.
    One symptom is that it runs often.
     
    #12 Tim Jones, Aug 25, 2023
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