Prime Care, Maintenance and Troubleshooting

Want to have the best looking and running Prime around? Having trouble with something and need help from others, including certified Prius mechanics? Post here!

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  1. j_mouthhole

    Prius Prime 2017 - Can't find a guide to replace driver window

    j_mouthhole, Sep 21, 2025
    Replies:
    2
    Views:
    511
    ColoradoBoo
    ColoradoBoo
    Sep 22, 2025
  2. High Mileage

    Gen4 Prius Transmission Fluid Change

    High Mileage, Jan 26, 2020 ... 2 3
    Replies:
    53
    Views:
    60,191
    Tombukt2
    Tombukt2
    Sep 14, 2025
  3. coyote2

    high-pitched squeal on start

    coyote2, Aug 8, 2025
    Replies:
    16
    Views:
    1,674
    Blueness
    Blueness
    Sep 11, 2025
  4. Laura-Ann

    How to access Gen 4 Prius Prime Maintenance Mode

    Laura-Ann, Sep 11, 2021
    Replies:
    6
    Views:
    18,945
    Mendel Leisk
    Mendel Leisk
    Sep 9, 2025
  5. Teez

    8000 km maintenance

    Teez, Sep 2, 2025
    Replies:
    5
    Views:
    985
    bisco
    bisco
    Sep 4, 2025
  6. Beardley

    Replaced pads and rotors, and now I've got "the codes"

    Beardley, May 24, 2020
    Replies:
    13
    Views:
    8,404
    DC_2004_Prius
    DC_2004_Prius
    Aug 25, 2025
  7. iRun26.2

    Is My 2025 Solar Charger Malfunctioning?

    iRun26.2, Jul 25, 2025 ... 2 3 4
    Replies:
    71
    Views:
    6,951
    Leadfoot J. McCoalroller
    Leadfoot J. McCoalroller
    Aug 25, 2025
  8. primekachow

    2018 Prime A/C not working: B1380 & B14AC

    primekachow, Aug 22, 2025
    Replies:
    2
    Views:
    785
    bisco
    bisco
    Aug 23, 2025
  9. wrenwren8

    Calendar days off?

    wrenwren8, Jan 13, 2018
    Replies:
    8
    Views:
    4,545
    emek
    emek
    Aug 16, 2025
  10. lodster

    Prius Prime 2017 – Techstream 17 Door Lock Settings Missing

    lodster, Aug 10, 2025
    Replies:
    0
    Views:
    657
    lodster
    lodster
    Aug 10, 2025
  11. Warren Gerhardt

    ABS lights, Brake Power low, ICS sytem

    Warren Gerhardt, Aug 3, 2025
    Replies:
    2
    Views:
    658
    Brian1954
    Brian1954
    Aug 3, 2025
  12. OptimalPrime

    Machine gun noise under dash, around 10Hz

    OptimalPrime, Dec 4, 2024
    Replies:
    15
    Views:
    3,432
    ChapmanF
    ChapmanF
    Jul 21, 2025
  13. pbasch

    2018 PP+ dome light switch

    pbasch, Sep 12, 2021
    Replies:
    9
    Views:
    13,639
    Mike Oliver
    Mike Oliver
    Jul 13, 2025
  14. pasta4breakfast

    Mechanic never put car on the lift

    pasta4breakfast, Jul 20, 2024
    Replies:
    17
    Views:
    3,206
    bisco
    bisco
    Jul 12, 2025
  15. Shameless

    AC light turns itself off, blows hot

    Shameless, Jul 5, 2025
    Replies:
    0
    Views:
    844
    Shameless
    Shameless
    Jul 5, 2025
  16. Chris Black

    Tire PSI

    Chris Black, Sep 15, 2020
    Replies:
    19
    Views:
    6,452
    Pete44
    Pete44
    Jun 28, 2025
  17. Tony1988

    Prius plug in generation 4 of prius but 2 of plug in. Do you feel that the AC in the car takes long

    Tony1988, Jun 14, 2025
    Replies:
    14
    Views:
    1,634
    bisco
    bisco
    Jun 27, 2025
  18. SR-71

    Tire suggestions

    SR-71, Jun 16, 2025
    Replies:
    0
    Views:
    897
    SR-71
    SR-71
    Jun 16, 2025
  19. Flare

    2017 Prius Prime Premium U023A & B14B8

    Flare, Jun 13, 2025
    Replies:
    0
    Views:
    836
    Flare
    Flare
    Jun 13, 2025
  20. Gokhan

    Do you need brake-fluid replacement?

    Gokhan, Nov 26, 2024 ... 2
    Replies:
    30
    Views:
    9,233
    pasta4breakfast
    pasta4breakfast
    May 31, 2025
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