Gen 3 Prius Technical Discussion

Come discuss the technical ins and outs of the 2010, 2011, 2012, 2013, 2014, & 2015 3rd Generation Toyota Prius and the Hybrid Synergy Drive System.

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  1. Carpetfuzz

    Body Control CAN bus tap?

    Carpetfuzz, Aug 15, 2025
    Replies:
    6
    Views:
    1,293
    Carpetfuzz
    Carpetfuzz
    Sep 6, 2025
  2. donzoh1

    Piston Soak Ideas

    donzoh1, Sep 3, 2025
    Replies:
    5
    Views:
    1,732
    Mendel Leisk
    Mendel Leisk
    Sep 3, 2025
  3. irfanlai

    Water pump replacement need advice on mechanic estimate

    irfanlai, Aug 21, 2025
    Replies:
    10
    Views:
    1,836
    Grit
    Grit
    Aug 23, 2025
  4. irfanlai

    Radiator dashboard lights ON...what does it mean

    irfanlai, Apr 7, 2025 ... 2 3
    Replies:
    40
    Views:
    6,129
    Brian1954
    Brian1954
    Aug 22, 2025
  5. Dxta

    Help! Corroded pinouts from connector

    Dxta, Aug 20, 2025
    Replies:
    0
    Views:
    630
    Dxta
    Dxta
    Aug 20, 2025
  6. Hhumber

    Charging hybrid battery with RC Charger

    Hhumber, Feb 11, 2021 ... 2 3
    Replies:
    46
    Views:
    34,420
    Kermit80526
    Kermit80526
    Aug 17, 2025
  7. ReshiElderberry82

    I need help figuring out where this seal washer goes.

    ReshiElderberry82, May 24, 2024
    Replies:
    4
    Views:
    1,502
    Mendel Leisk
    Mendel Leisk
    Aug 15, 2025
  8. SuperOmar

    Jumped prius opposite polarity and now the car is completely dead. What should I do?

    SuperOmar, Dec 17, 2023 ... 2
    Replies:
    20
    Views:
    4,629
    A.J
    A.J
    Aug 14, 2025
  9. warby99

    Charge Control

    warby99, Jan 28, 2019
    Replies:
    10
    Views:
    5,766
    ChapmanF
    ChapmanF
    Aug 9, 2025
  10. priusb78

    Gen 3 HV cooling fan motor: wiring diagram?

    priusb78, Sep 28, 2017 ... 2
    Replies:
    34
    Views:
    24,535
    PriusII&C
    PriusII&C
    Aug 9, 2025
  11. tennessee3

    slow current leak-- cannot find the source

    tennessee3, Aug 8, 2025
    Replies:
    4
    Views:
    772
    tennessee3
    tennessee3
    Aug 9, 2025
  12. grmeyers

    looking for battery case with no cells

    grmeyers, Aug 6, 2025
    Replies:
    4
    Views:
    788
    PriusCamper
    PriusCamper
    Aug 6, 2025
  13. bobby515

    Spark plug keeps turning. I cannot get it out.

    bobby515, Aug 4, 2025
    Replies:
    8
    Views:
    1,533
    ASRDogman
    ASRDogman
    Aug 5, 2025
  14. davev1pa

    Fuel pump replaced/ now/ pedal sensor

    davev1pa, Jul 26, 2025
    Replies:
    16
    Views:
    2,191
    davev1pa
    davev1pa
    Aug 4, 2025
  15. ilovevanhalen

    More miles per tank after aux battery change..???

    ilovevanhalen, Jul 30, 2025
    Replies:
    8
    Views:
    1,217
    Mendel Leisk
    Mendel Leisk
    Aug 1, 2025
  16. Datuna14

    2010 Prius won’t start. UO100 code

    Datuna14, Apr 17, 2025 ... 2 3
    Replies:
    50
    Views:
    8,851
    Datuna14
    Datuna14
    Aug 1, 2025
  17. HyBatteryMan

    "Volts mean nothing. Amps mean everything!" - Your Hybrid Battery

    HyBatteryMan, Jul 25, 2025 ... 2
    Replies:
    20
    Views:
    3,303
    Tideland Prius
    Tideland Prius
    Jul 28, 2025
  18. koukilights

    How degraded can a hybrid pack get before throwing the P0A80 and red triangle?

    koukilights, Mar 11, 2025
    Replies:
    13
    Views:
    2,780
    koukilights
    koukilights
    Jul 28, 2025
  19. YardDebrisByCole

    4th Gen Engine Swap - Cooling System "How To"

    YardDebrisByCole, Sep 5, 2023
    Replies:
    7
    Views:
    5,417
    Tombukt2
    Tombukt2
    Jul 27, 2025
  20. thomassurdi

    Check hybrid system warning after manifold cleaning

    thomassurdi, Mar 17, 2018 ... 2 3 4
    Replies:
    72
    Views:
    23,035
    tjh3777
    tjh3777
    Jul 27, 2025
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Page 8 of 200