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  1. Nat C
    Post

    High delta SOC and other symptoms

    For what it's worth, I did come across a post on International Automotive Technicians Network that has some similarities (except for the big...
    Post by: Nat C, Jul 12, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. Nat C
    Post

    High delta SOC and other symptoms

    Fair point, my only thought is that this is an ECU issue (since 0% SOC is not possible), but I would expect a defective ECU to trigger a DTC as...
    Post by: Nat C, Jul 12, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  3. Nat C
    Post

    High delta SOC and other symptoms

    Well, that's reassuring. But there is still the bizarre behavior with the 0% SOC—if I didn't multiple recordings of it on Techstream, I'd think I...
    Post by: Nat C, Jul 12, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  4. Nat C
    Post

    High delta SOC and other symptoms

    Thanks everyone for your troubleshooting, very much appreciated. The added pressure for me is a planned road trip to Yellowstone in 1.5 weeks. Not...
    Post by: Nat C, Jul 12, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  5. Nat C
    Post

    High delta SOC and other symptoms

    Actually, the MFD does seem to track the MVCI readings. At 0% SOC on the MVCI, it shows a single purple (pink?) bar.
    Post by: Nat C, Jul 11, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  6. Nat C
    Post

    High delta SOC and other symptoms

    Thanks for chiming in. Either something is wrong with my VCI/Techstream setup, or there is some computer/sensor error on the car itself. The ICE...
    Post by: Nat C, Jul 11, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  7. Nat C
    Post

    High delta SOC and other symptoms

    I think you are on to something with the high battery temps. At the start of this drive (but not during this particular recording), I did hear for...
    Post by: Nat C, Jul 11, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  8. Nat C
    Post

    High delta SOC and other symptoms

    Just bumping my own thread in case there is anyone out there who has seen this strange behavior. Techstream reporting 0% SOC, how is this even...
    Post by: Nat C, Jul 11, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  9. Nat C
    Post

    High delta SOC and other symptoms

    Some more updates: Did another brief in-city drive, and got some more weird symptoms. Let the car idle briefly upon startup which charged the HV...
    Post by: Nat C, Jul 11, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  10. Nat C
    Post

    High delta SOC and other symptoms

    Thanks for your help yet again! Yours seems to just go down and stay there: There have been some instances of fluctuation, but yes, mostly it...
    Post by: Nat C, Jul 10, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  11. Nat C
    Thread

    High delta SOC and other symptoms

    Apologies for the cross-posting, this is following from my comments on someone else's thread but that conversation seems to have stalled. I'm...
    Thread by: Nat C, Jul 10, 2014, 25 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  12. Nat C
    Post

    Slow acceleration, Battery not charging, Transaxle slipping

    I managed to get the MVCI up and running over the weekend. I'm pasting below a HV Battery data snapshot. Looks to me like the voltages and...
    Post by: Nat C, Jul 6, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  13. Nat C
    Post

    Slow acceleration, Battery not charging, Transaxle slipping

    I'll have to check on the highway speed mpg over the holiday weekend, but it's definitely lower than usual for our city driving (~40 mpg where...
    Post by: Nat C, Jul 3, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  14. Nat C
    Post

    Slow acceleration, Battery not charging, Transaxle slipping

    Thanks for the added info, I'll keep monitoring things. Is there a way (either for me or the dealer) to definitively test whether it is the...
    Post by: Nat C, Jul 2, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  15. Nat C
    Post

    Slow acceleration, Battery not charging, Transaxle slipping

    Thanks for your quick reply, much appreciated. And thanks as well for the guidance regarding the dealer, you just saved me some hassle (at least...
    Post by: Nat C, Jul 2, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  16. Nat C
    Post

    Slow acceleration, Battery not charging, Transaxle slipping

    I am actually having some similar symptoms on my '05, only just out of warranty (101,000). I'm not sure about the "transaxle slipping", but I have...
    Post by: Nat C, Jul 2, 2014 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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