Gen 2 Prius will not crank

Discussion in 'Gen 2 Prius Technical Discussion' started by Kadian rutty, Oct 4, 2025 at 5:51 PM.

  1. Kadian rutty

    Kadian rutty New Member

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    I need help. I have a 2008 toyota prius. I am in the army and recently came back from deployment. Upon returning my prius had no power. Inserted key and nothing woukd happen afyer pressing the power button. I replaced the 12 volt battery and was able to get power. After getting power the vehicle would still not crank. Tha dash has every light on it including the triangle of death. I hooked up my code reader and these are the codes that POP. C1259,c1310,c1377,P0AFA,p300,93004. I have tested every fuse and relay in the engine compartment and they all tested good. I tested all the fuses above the parking break pedal and they tested good. Did not test the relays in that spot yet. I also was able to pull the voltage on the cells in the hybrid battery. Cell 1 and cell 2 are both reading 0.1 volts, and the rest are at 13 to 14 volts. I can also hear a relay in the back open and close every time I hit the start button. I have a warranty on the hybrid battery through greenbean, they are saying that based off the codes the vehicle should still start. Any help?
     
  2. dolj

    dolj Senior Member

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    Too funny :LOL::D
    The P0AFA means the battery voltage is too low to start the car.

    Don't tell them you left the car sitting if you decide to make a warranty claim, as that will invalidate your warranty.

    The last two codes you put, p300, 93004, are not valid Gen 2 codes. Maybe you've made a typo.
     
  3. Tombukt2

    Tombukt2 Senior Member

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  4. Hayslayer

    Hayslayer Member

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    They are lying to you. Block 1 and Block 2 at 0.1v points to either those modules completely discharging through the sensor wiring due to corrosion at the ECU pins, or the wiring/ecu pin corrosion is preventing accurate voltage readings. A 13volt reading is 100% unsatisfactory. A 14ish volt reading MAY be ok but it depends if a high 14 or low 14.

    Each block is actually (2) modules in series with each block considered being a nominal 7.2 volts. When healthy and charge decently, each module will be at least 7.6 volts, therefore each block should show around 15.2 volts or better. Anything 14.4 or less is effectively discharged. They KNOW used modules are very susceptible to self discharge problems, so part of their warranty specifies the warranty is void if the car sits unused for 30 days (iirc) or more.
     
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  5. bisco

    bisco cookie crumbler

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    this is why i warn people off reconditioned batteries, they are only as good as the company standing behind them.
     
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  6. bisco

    bisco cookie crumbler

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    how many days is the car allowed to sit before the warranty is voided?
     
  7. dolj

    dolj Senior Member

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    It varies by vendor. You need to read the fine print in the T&C's. It's usually something like a week to 30 days.
     
  8. T1 Terry

    T1 Terry Active Member

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    So, you need a 210vdc charger across the battery to keep it viable after leaving it sitting for a few weeks :eek: Then there is the whole module balancing thing ..... if a module goes low, that allows a module to go high while still maintaining the 210vdc ...... so the reco traction batteries are only useful if you drive the vehicle regularly .... I bet that isn't in the brochure ;):ROFLMAO:

    T1 Terry
     
  9. Kadian rutty

    Kadian rutty New Member

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    Is there a good affordable way to diagnose the prius. I have the dr prius app but it doesnt sync with the Bluetooth OBD2 sensor thats i have. I've been doing my research and I know the vehicle will not start because of the 2 bad blocks. I just want to pull the data so I can send it to the warranty company.
     
    #9 Kadian rutty, Oct 6, 2025 at 7:58 AM
    Last edited by a moderator: Oct 6, 2025 at 8:50 AM
  10. Hayslayer

    Hayslayer Member

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    The warranty is written with the 30 day line item because they know their refurbished batteries are frequently a POS that can't sit for 30 days without having a module or two self-discharge to failure. Even a leaky milk jug in your fridge will look good if you fill it every day.

    From Green Beans current warranty:

    Exclusions

    This warranty does not cover failures caused by:

    • Improper installations by non-Green Bean installers
    • Vehicles stored for over 30 days
    • Vehicles driven less than 2,500 miles per year
    • Physical damage after battery delivery
    • Removal or tampering with warranty labels
    • Modifications not compliant with manufacturer specifications
    • Reinstallation of the battery in another vehicle
    • Hybrid battery damage due to engine issues or improper engine operation (e.g., DTCs: P0A0F, P0AB9, P3190, P3191, P3193, P1196, P0101, P0102, P0505)
    • Flood, fire, or environmental damage beyond Green Bean Battery’s control
    Dispute Resolution and Warranty Fee

    In the event of a dispute regarding battery failure:

    1. Damage Due to Engine Issues or Inactivity: If the damage is due to engine issues or prolonged inactivity, a service fee of $630 plus tax will be charged.
    2. Uncertain Fault Determination: If the fault is unclear, an upfront fee of $375 will be charged. If the battery is determined to be faulty, the fee will be If the battery is not at fault, the fee will not be refunded.
    3. Continued Uncertainty: If the fault remains uncertain after initial assessment, the battery will be If the replacement battery is also deemed not at fault, the customer can either pay an additional $255 plus tax to keep the new battery or have the original battery reinstalled.
     
  11. bisco

    bisco cookie crumbler

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    check out the autel maxi 200, there is at least one thread here
     
  12. ChapmanF

    ChapmanF Senior Member

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    My guess would be a typo for P3009, P3004.