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P3004-131 Please help.

Discussion in 'Generation 1 Prius Discussion' started by aswresm, Oct 26, 2015.

  1. aswresm

    aswresm Junior Member

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    s-l1600 (1).jpg I just got this code and the car wouldn't start....p3004-131 Power Cable Malfunction. When main fuse is blown out, service plug is disconnected or limiter resistance is cut off....I changed the orange plug, still no start....Do I have to change the main battery relay??....If so what's the best way to do that??....I found this relay on ebay:
    KM503405 01 03 Toyota Prius Hybrid Battery Cut Off Switch Main Fuse Voltage | eBay
    Is that is what I need to change??
     
    #1 aswresm, Oct 26, 2015
    Last edited: Oct 26, 2015
  2. aswresm

    aswresm Junior Member

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    I had another Prius, I swapped the relay above and I am still getting the same error code P3004-131.
     
    #2 aswresm, Oct 26, 2015
  3. aswresm

    aswresm Junior Member

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    When I try to start the car I hear a click coming from the trunk and the ready light would flash for two seconds and then it would just go away.
     
    #3 aswresm, Oct 26, 2015
  4. aswresm

    aswresm Junior Member

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    #4 aswresm, Oct 26, 2015
  5. bwilson4web

    bwilson4web BMW i3 and Model 3

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    Take the old one apart and post pictures?

    Bob Wilson
     
    #5 bwilson4web, Oct 26, 2015
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  6. ChapmanF

    ChapmanF Senior Member

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    I'm guessing it will be option 3 right from the manual, the limit resistor in the SMR failed. That would explain the one-click start business; the protocol for engaging the SMR is to pull in the resistor-limited side first. When that's done and no zoobs flow, presumably the ECU notices and gives up.

    -Chap
     
    #6 ChapmanF, Oct 26, 2015
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  7. marcony

    marcony New Member

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    hi guys, i have the same problem but still no working , the smr is good, the main fuse is good too, n the resistence is good, but no start,

    please help, it drive me crazy,
    post data: the traction battery is perfect.
     
    #7 marcony, Mar 27, 2016
  8. Stepperez

    Stepperez Junior Member

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    Hi!! Can someone please post your end result I have done all of the above!!
     
    #8 Stepperez, Nov 9, 2017
  9. thetorvic21

    thetorvic21 Junior Member

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    #9 thetorvic21, Jul 10, 2019
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  10. Mrs.Diamond

    Mrs.Diamond Junior Member

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    Did you replace the am2?
     
    #10 Mrs.Diamond, Sep 22, 2020
  11. Gino Veltri

    Gino Veltri Member

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    Can some please explain what is being done in the above posts. What fuse is that and where is it. I have the same, among many other , problem with my 2005. Prius 299,999+ miles on it. I have several traction batteries that I swap out but get different codes every time.
    Now: p3000 p3004 p0afa
    Before: u0100 u0111 p0afa
    I cleared the u codes so maybe they just haven’t come back yet
     
    #11 Gino Veltri, Aug 13, 2022
  12. TMR-JWAP

    TMR-JWAP Senior Member

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    Gino,

    Those are the main relays for a Gen 1. If you look in the Gen 2 HV battery, you'll see two main relays (where the orange cables attach), a white rectangular resister, and some wires. These people had failures in those components. It's also possible you have a failure in the resistor section or a main relay.
     
    #12 TMR-JWAP, Aug 13, 2022
  13. Gino Veltri

    Gino Veltri Member

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    Awesome thanks for explaining that. These are components “inside” the traction battery, right? That explains part of my problem, being I can swap the hybrid battery out and move the car, but there’s a communication error with the battery because no data is shown for it. Different codes every time, really wish sub codes weren’t impossible to get.
     
    #13 Gino Veltri, Aug 19, 2022
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