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P3000 & P3009 Codes

Discussion in 'Generation 1 Prius Discussion' started by texaspartsman, Jan 23, 2013.

  1. Oktyabrskij

    Oktyabrskij Junior Member

    Joined:
    Oct 21, 2014
    3
    0
    0
    Location:
    Ulyanovsk
    Vehicle:
    2000 Prius
    Model:
    N/A
    I have got P3000 and P3009 twice after hitting the pothole. After cleaning DTC everything is OK. This test shows nothing...
     
  2. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

    Joined:
    Jul 29, 2011
    3,159
    989
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    Location:
    Tucson, AZ
    Vehicle:
    2005 Prius
    Model:
    Four
    Have you changed your tranny fluid yet? If not, I would do so ASAP. If so, I would drive it until P3000 and P3009 becomes a "hard" fault. If your fault is not consistent, I wouldn't do anything except change tranny fluid.
     
  3. Oktyabrskij

    Oktyabrskij Junior Member

    Joined:
    Oct 21, 2014
    3
    0
    0
    Location:
    Ulyanovsk
    Vehicle:
    2000 Prius
    Model:
    N/A
    All fluids are already changed. Throttle is cleaned, spark plugs and coil cups are new...
     
  4. Gen1newbie

    Gen1newbie Junior Member

    Joined:
    Oct 18, 2014
    41
    3
    27
    Location:
    Wildomar, California
    Vehicle:
    2002 Prius
    Model:
    N/A
    I recently had the P3000, and P3006 codes coming up on my car after only a month of replacing my NHW11 modules with NHW20 modules.
    It was running awesome lots of power, then one day it hiccuped, and I got the red triangle. I reset it and it came back on the next day again sooner. and running sluggish. I did some research on these codes, and it pointed to the HV battery, but my cell blocks where all reading above 17 volts. I found one shop talking about how the load test the battery, and graphed the results, to show if the battery is having a problem, using the Techstream software, and cable. Since I just happened to have purchased one, I decided to try the live test and record the load test. By starting the car letting it warm up, till the motor shuts off, then put it in reverse while holding the brakes on, and floor the gas pedal. Sure enough some cells dropped out, below the threshold of acceptable difference in voltage readings, of 1.2v. I drained the battery down to 50%(using the load test), and then let it charge back up, and it was reading better on the next few load tests. The car is running awesome again, no more trouble codes, it seems the load test balanced the cells, and they are working within .5 volts on the load test now. I am loving my car again! :)
     
  5. Gen1newbie

    Gen1newbie Junior Member

    Joined:
    Oct 18, 2014
    41
    3
    27
    Location:
    Wildomar, California
    Vehicle:
    2002 Prius
    Model:
    N/A
    First load test show a big drop in voltages between max, and min cell blocks
    the second one show my last load test, and then I went a a drive around the block near the end.


    prius load testing.JPG