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. Turniptthebeets

    2009 brake actuator

    Turniptthebeets, Mar 21, 2026
    Replies:
    3
    Views:
    1,517
    Turniptthebeets
    Turniptthebeets
    Mar 24, 2026
  2. StephenJ

    What all vehicles can we use battery cells from?

    StephenJ, Aug 24, 2024 ... 2
    Replies:
    30
    Views:
    9,920
    James Analytic
    James Analytic
    Mar 23, 2026
  3. DR6am

    Random Triangle of Death and P0a4c and P0a4d codes

    DR6am, Aug 12, 2019
    Replies:
    7
    Views:
    14,859
    James Analytic
    James Analytic
    Mar 23, 2026
  4. Mattp

    P0A4C & P0A4D - ICE shut down at about 70 mph

    Mattp, Apr 11, 2021
    Replies:
    12
    Views:
    6,097
    James Analytic
    James Analytic
    Mar 23, 2026
  5. CarTunist

    Which Coolant Sensor?

    CarTunist, Mar 22, 2026
    Replies:
    1
    Views:
    1,305
    BiomedO1
    BiomedO1
    Mar 23, 2026
  6. jlivingstonsg

    Replace camshaft position sensor ?

    jlivingstonsg, Jul 3, 2023
    Replies:
    7
    Views:
    8,800
    H2Oski17
    H2Oski17
    Mar 22, 2026
  7. punatic

    Full throttle/Brake charging potential damage

    punatic, Mar 20, 2026
    Replies:
    19
    Views:
    2,123
    punatic
    punatic
    Mar 21, 2026
  8. pasadena_commut

    Burning more oil on highway than around town, why?

    pasadena_commut, Mar 9, 2026
    Replies:
    13
    Views:
    2,009
    ebikeman
    ebikeman
    Mar 16, 2026
  9. pasadena_commut

    Capacitor issues, other than the MFD?

    pasadena_commut, Mar 6, 2026
    Replies:
    9
    Views:
    1,796
    Tombukt2
    Tombukt2
    Mar 7, 2026
  10. Tony714

    3 way coolant valve noise.

    Tony714, Dec 6, 2020
    Replies:
    17
    Views:
    10,570
    Jotowers
    Jotowers
    Mar 5, 2026
  11. Hello1024

    Key transponder. Chip model?

    Hello1024, May 28, 2024
    Replies:
    13
    Views:
    5,267
    Tombukt2
    Tombukt2
    Mar 4, 2026
  12. andy song

    P0A0D but the interlock is pushed down

    andy song, Feb 18, 2026
    Replies:
    5
    Views:
    1,651
    mr_guy_mann
    mr_guy_mann
    Feb 24, 2026
  13. Knightrider

    Smart key proximity function help

    Knightrider, Feb 23, 2026
    Replies:
    0
    Views:
    1,364
    Knightrider
    Knightrider
    Feb 23, 2026
  14. SBP Mike

    P3107 Airbag woes

    SBP Mike, Jan 28, 2022
    Replies:
    7
    Views:
    4,908
    mr_guy_mann
    mr_guy_mann
    Feb 23, 2026
  15. VectorZed

    STRANDED ...---... 2005 Prius dead-in-water, in desert rather...

    VectorZed, Feb 22, 2026
    Replies:
    2
    Views:
    1,478
    pasadena_commut
    pasadena_commut
    Feb 23, 2026
  16. epoch_time

    Stop rebuilding Prius battery packs with used modules

    epoch_time, Feb 22, 2026
    Replies:
    3
    Views:
    1,607
    PriusCamper
    PriusCamper
    Feb 22, 2026
  17. Norbie

    Newbie bought a gen 2. What modules to replace?

    Norbie, Feb 6, 2026
    Replies:
    5
    Views:
    1,711
    pasadena_commut
    pasadena_commut
    Feb 18, 2026
  18. Mark_M

    Regen Braking sounds like helicopter

    Mark_M, Feb 2, 2026 ... 2
    Replies:
    23
    Views:
    4,259
    Mark_M
    Mark_M
    Feb 9, 2026
  19. Hello1024

    Does techstream let you override fuel trims?

    Hello1024, Feb 4, 2026
    Replies:
    3
    Views:
    1,664
    mr_guy_mann
    mr_guy_mann
    Feb 5, 2026
  20. Judea

    Prius 2007 switches to neutral or park while in motion

    Judea, Jan 27, 2026
    Replies:
    10
    Views:
    2,085
    Judea
    Judea
    Feb 2, 2026
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