Gen 2 Prius Technical Discussion

Come discuss the technical ins and outs of the 2nd Generation 2004-2009 Toyota Prius and the Hybrid Synergy Drive System.

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  1. J Conner

    How to know if control arm needs replacement?

    J Conner, Jan 26, 2019 ... 2
    Replies:
    20
    Views:
    10,972
    TBM
    TBM
    Sep 10, 2025
  2. Straha

    Red Triangle of Death and Engine not starting, but no OBDII error code.

    Straha, Sep 9, 2025
    Replies:
    1
    Views:
    564
    dolj
    dolj
    Sep 10, 2025
  3. monoshock

    Anybody on here repair the instrument cluster ?

    monoshock, Aug 30, 2022
    Replies:
    12
    Views:
    4,854
    Tombukt2
    Tombukt2
    Sep 8, 2025
  4. PartlyEVDave

    In a pickle with a Prius!

    PartlyEVDave, Aug 28, 2025
    Replies:
    13
    Views:
    1,114
    PartlyEVDave
    PartlyEVDave
    Sep 8, 2025
  5. caliwaves

    OEM hybrid battery vs newpriusbatteries?

    caliwaves, Jan 17, 2021 ... 2
    Replies:
    24
    Views:
    13,824
    PriusCamper
    PriusCamper
    Sep 6, 2025
  6. Vysse

    Recommended Mechanic Northwest Arkansas Area

    Vysse, Jul 30, 2018
    Replies:
    5
    Views:
    2,920
    2Fats
    2Fats
    Sep 3, 2025
  7. MonkButter

    Worth repairs? (Bad Cat and Coolant System)

    MonkButter, Aug 16, 2025
    Replies:
    15
    Views:
    1,560
    Brian1954
    Brian1954
    Aug 31, 2025
  8. pasadena_commut

    12V voltage recovery curve used by battery testers? Probably not.

    pasadena_commut, Aug 17, 2025
    Replies:
    4
    Views:
    670
    pasadena_commut
    pasadena_commut
    Aug 28, 2025
  9. gdanner

    Why do hybrid battery control module connectors get corroded?

    gdanner, Jul 21, 2025 ... 2 3 4
    Replies:
    64
    Views:
    6,316
    gdanner
    gdanner
    Aug 27, 2025
  10. WSCC

    Electrical SKS Woes

    WSCC, Aug 19, 2025
    Replies:
    4
    Views:
    766
    WSCC
    WSCC
    Aug 26, 2025
  11. Smychnyk

    Why don’t refurbished Prius battery sellers show cell specs?

    Smychnyk, Aug 23, 2025
    Replies:
    4
    Views:
    886
    T1 Terry
    T1 Terry
    Aug 25, 2025
  12. Dion Kraft

    Water valve controller disasembly

    Dion Kraft, Aug 22, 2025 ... 2
    Replies:
    31
    Views:
    2,643
    Tombukt2
    Tombukt2
    Aug 24, 2025
  13. Cyon Kim

    Testing individual battery cell with load applied (how many amps should I apply?)

    Cyon Kim, Apr 23, 2016
    Replies:
    3
    Views:
    9,937
    gdanner
    gdanner
    Aug 23, 2025
  14. 80sguy

    Odd Trio of codes

    80sguy, Aug 22, 2025
    Replies:
    3
    Views:
    607
    dolj
    dolj
    Aug 22, 2025
  15. ryousideways

    Gen II Prius Individual Battery Module Replacement

    ryousideways, Apr 24, 2013 ... 128 129 130
    Replies:
    2,592
    Views:
    1,753,122
    gdanner
    gdanner
    Aug 21, 2025
  16. richard203

    Front passenger Interior Noise

    richard203, Feb 22, 2024 ... 2
    Replies:
    22
    Views:
    3,685
    Tombukt2
    Tombukt2
    Aug 20, 2025
  17. BellBoy

    2006 Rear Driver Door Replacement Issue

    BellBoy, Aug 14, 2025
    Replies:
    5
    Views:
    735
    Tombukt2
    Tombukt2
    Aug 18, 2025
  18. Shabir21

    2008 85k miles code P0A09 dc converter status low input

    Shabir21, Aug 16, 2025
    Replies:
    4
    Views:
    648
    mr_guy_mann
    mr_guy_mann
    Aug 18, 2025
  19. pasadena_commut

    DCA-8000 safe on Prius 12V?

    pasadena_commut, Aug 15, 2025
    Replies:
    8
    Views:
    846
    Tombukt2
    Tombukt2
    Aug 16, 2025
  20. Roberto Z

    Using Noalox? (Hybrid Battery Reconditioning)

    Roberto Z, Aug 1, 2025 ... 2
    Replies:
    31
    Views:
    2,842
    T1 Terry
    T1 Terry
    Aug 15, 2025
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