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. epoch_time

    Stop rebuilding Prius battery packs with used modules

    epoch_time, Feb 22, 2026
    Replies:
    3
    Views:
    1,205
    PriusCamper
    PriusCamper
    Feb 22, 2026
  2. Norbie

    Newbie bought a gen 2. What modules to replace?

    Norbie, Feb 6, 2026
    Replies:
    5
    Views:
    1,328
    pasadena_commut
    pasadena_commut
    Feb 18, 2026
  3. Mark_M

    Regen Braking sounds like helicopter

    Mark_M, Feb 2, 2026 ... 2
    Replies:
    23
    Views:
    3,347
    Mark_M
    Mark_M
    Feb 9, 2026
  4. Hello1024

    Does techstream let you override fuel trims?

    Hello1024, Feb 4, 2026
    Replies:
    3
    Views:
    1,306
    mr_guy_mann
    mr_guy_mann
    Feb 5, 2026
  5. Judea

    Prius 2007 switches to neutral or park while in motion

    Judea, Jan 27, 2026
    Replies:
    10
    Views:
    1,689
    Judea
    Judea
    Feb 2, 2026
  6. Fletcher

    Hybrid Battery Charger(s) to buy?

    Fletcher, Mar 25, 2025
    Replies:
    13
    Views:
    5,252
    Brad_d
    Brad_d
    Feb 2, 2026
  7. bluecrazymonkey

    Looking for some answers

    bluecrazymonkey, Jan 29, 2026
    Replies:
    12
    Views:
    1,626
    Tombukt2
    Tombukt2
    Jan 31, 2026
  8. andy song

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

    andy song, Jan 27, 2026
    Replies:
    2
    Views:
    1,240
    pasadena_commut
    pasadena_commut
    Jan 29, 2026
  9. jeremy3s

    Charging traction battery with led driver

    jeremy3s, May 23, 2017
    Replies:
    17
    Views:
    9,479
    dolj
    dolj
    Jan 29, 2026
  10. R-P

    HELP can't get levelingmotor out of headlight

    R-P, Jan 27, 2026
    Replies:
    3
    Views:
    1,302
    R-P
    R-P
    Jan 29, 2026
  11. KARL QUIN

    Code P0038

    KARL QUIN, Mar 20, 2020
    Replies:
    15
    Views:
    13,666
    Marty2go
    Marty2go
    Jan 27, 2026
  12. Hybrid Battery Exchange

    Hybrid battery reconditioning data/results, 2005 Prius

    Hybrid Battery Exchange, Dec 23, 2025
    Replies:
    6
    Views:
    1,997
    priumium
    priumium
    Jan 16, 2026
  13. andy song

    Cannot get prius into neutral. All gears flashing

    andy song, Dec 24, 2025
    Replies:
    18
    Views:
    2,644
    trsandy2000
    trsandy2000
    Jan 14, 2026
  14. oldsam

    Code c1256,1241. Intermittent actuator failure.

    oldsam, Jan 10, 2026
    Replies:
    1
    Views:
    1,118
    oldsam
    oldsam
    Jan 10, 2026
  15. wade101

    Code P0AFA after HV battery repair, Car is running fine

    wade101, Aug 1, 2017
    Replies:
    16
    Views:
    20,212
    trsandy2000
    trsandy2000
    Jan 10, 2026
  16. Hello1024

    Is the rear O2 sensor data used for anything?

    Hello1024, Jan 6, 2026
    Replies:
    1
    Views:
    1,188
    mr_guy_mann
    mr_guy_mann
    Jan 7, 2026
  17. Kzbd

    What headlight bulb do I need?

    Kzbd, Nov 28, 2025 ... 2
    Replies:
    29
    Views:
    4,410
    Kzbd
    Kzbd
    Jan 7, 2026
  18. findlj

    rear defroster fuse location?

    findlj, Feb 23, 2016
    Replies:
    5
    Views:
    13,810
    mr_guy_mann
    mr_guy_mann
    Dec 30, 2025
  19. Rivieraman71

    Corolla to Prius gas tank swap

    Rivieraman71, Mar 3, 2019 ... 11 12 13
    Replies:
    244
    Views:
    96,433
    Tombukt2
    Tombukt2
    Dec 21, 2025
  20. priumium

    Calculated Load Value/algorithm

    priumium, Dec 16, 2025
    Replies:
    8
    Views:
    1,779
    ChapmanF
    ChapmanF
    Dec 21, 2025
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