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. andy song

    I spent an hour bleeding the radiator and still the cabin air is cold

    andy song, Jan 27, 2026
    Replies:
    2
    Views:
    1,051
    pasadena_commut
    pasadena_commut
    Jan 29, 2026
  2. jeremy3s

    Charging traction battery with led driver

    jeremy3s, May 23, 2017
    Replies:
    17
    Views:
    9,233
    dolj
    dolj
    Jan 29, 2026
  3. R-P

    HELP can't get levelingmotor out of headlight

    R-P, Jan 27, 2026
    Replies:
    3
    Views:
    1,115
    R-P
    R-P
    Jan 29, 2026
  4. KARL QUIN

    Code P0038

    KARL QUIN, Mar 20, 2020
    Replies:
    15
    Views:
    13,340
    Marty2go
    Marty2go
    Jan 27, 2026
  5. Hybrid Battery Exchange

    Hybrid battery reconditioning data/results, 2005 Prius

    Hybrid Battery Exchange, Dec 23, 2025
    Replies:
    6
    Views:
    1,803
    priumium
    priumium
    Jan 16, 2026
  6. andy song

    Cannot get prius into neutral. All gears flashing

    andy song, Dec 24, 2025
    Replies:
    18
    Views:
    2,413
    trsandy2000
    trsandy2000
    Jan 14, 2026
  7. oldsam

    Code c1256,1241. Intermittent actuator failure.

    oldsam, Jan 10, 2026
    Replies:
    1
    Views:
    944
    oldsam
    oldsam
    Jan 10, 2026
  8. wade101

    Code P0AFA after HV battery repair, Car is running fine

    wade101, Aug 1, 2017
    Replies:
    16
    Views:
    19,940
    trsandy2000
    trsandy2000
    Jan 10, 2026
  9. Hello1024

    Is the rear O2 sensor data used for anything?

    Hello1024, Jan 6, 2026
    Replies:
    1
    Views:
    1,013
    mr_guy_mann
    mr_guy_mann
    Jan 7, 2026
  10. Kzbd

    What headlight bulb do I need?

    Kzbd, Nov 28, 2025 ... 2
    Replies:
    29
    Views:
    4,036
    Kzbd
    Kzbd
    Jan 7, 2026
  11. findlj

    rear defroster fuse location?

    findlj, Feb 23, 2016
    Replies:
    5
    Views:
    13,596
    mr_guy_mann
    mr_guy_mann
    Dec 30, 2025
  12. Rivieraman71

    Corolla to Prius gas tank swap

    Rivieraman71, Mar 3, 2019 ... 11 12 13
    Replies:
    244
    Views:
    93,414
    Tombukt2
    Tombukt2
    Dec 21, 2025
  13. priumium

    Calculated Load Value/algorithm

    priumium, Dec 16, 2025
    Replies:
    8
    Views:
    1,564
    ChapmanF
    ChapmanF
    Dec 21, 2025
  14. Tombukt2

    actuator replacement

    Tombukt2, Dec 17, 2025
    Replies:
    5
    Views:
    1,405
    Tombukt2
    Tombukt2
    Dec 20, 2025
  15. crochambeau

    2009 12 volt battery depletion

    crochambeau, Dec 13, 2025
    Replies:
    6
    Views:
    1,399
    VelvetFoot
    VelvetFoot
    Dec 16, 2025
  16. Kirk05Prius

    2005 Dr. Prius/Hybrid Results. Prolong?

    Kirk05Prius, Mar 19, 2021
    Replies:
    10
    Views:
    5,031
    twc
    twc
    Dec 13, 2025
  17. PaulDH

    100Amp DC/DC Fuse Fusible Link Replacement - 15 Minute Job

    PaulDH, Jan 12, 2021 ... 2 3
    Replies:
    44
    Views:
    36,500
    Gin2win
    Gin2win
    Dec 13, 2025
  18. Tombukt2

    actuator change out

    Tombukt2, Dec 12, 2025
    Replies:
    1
    Views:
    1,099
    Hayslayer
    Hayslayer
    Dec 12, 2025
  19. Cbakerjones76az

    Catalytic converter

    Cbakerjones76az, Aug 26, 2024
    Replies:
    18
    Views:
    3,416
    priumium
    priumium
    Dec 11, 2025
  20. TheGMann

    Obd2 readers not working

    TheGMann, Jul 26, 2019
    Replies:
    3
    Views:
    3,096
    Brian314
    Brian314
    Dec 10, 2025
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