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Discussion in 'Roadster 2008-2012' started by spicywith, Jul 29, 2020.

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  1. slcasner

    slcasner Active Member

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    Your instructions look good. FAT16 also works. The TESLA-branded 1GB thumb drive I was given shortly after I got my car in 2008 has worked flawlessly for monthly log dumps since then.
    The Alpine unit is not a factor. I have seen some reports here on TMC where the log dump just didn't work and a VMS reboot was required. That requires unplugging the cables attached to the VMS module, which is not an activity I would expect a dealership (not a TESLA Service Center) to be willing to undertake.
     
  2. eHorses

    eHorses Member

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    David, thanks for continuing to help us owners even after selling yours. Your roadster experience is invaluable!
     
  3. gregd

    gregd Active Member

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    As Steve says, the instructions look fine, but I'm wondering if they followed the part about which USB connector to plug the USB stick into. Isn't there a USB port on the Alpine, too? (I don't have one.)

    Failing that, the picture shows the car needs to be "disarmed". Perhaps that's preventing the USB access? I doubt it, but the next step being the VMS reboot is something I wouldn't suggest to a non-Tesla shop, it's worth making sure the car is unlocked. Also that it is not actively charging. Being plugged in is fine, just not charging at the time.
     
  4. markwj

    markwj Moderator, Asia Pacific

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    I would suggest confirming:
    • The USB stick is low capacity (max 4GB)
    • The USB port used is the one in the center console, in the dark area low down behind and below the VDS
    The car should be ignition-off. If correct, within a second or so of plugging in the USB the VDS should beep and a log download message will appear. The data field in the message will count up (in hexadecimal) from 00000000 to 00000064 (100%), then the message will clear and the USB stick can be removed.

    Regards, Mark.
     
  5. LeoNordic

    LeoNordic Member

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    Does the charge cable has to be disconnected from the car to be able to take the logs?
     
  6. im4uttx

    im4uttx Supporting Member

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    No. I have never had to disconnect the charge cable.
     
  7. spicywith

    spicywith Member

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    Alright! Happy New Year to everyone... it's been a while!

    After months of calling, emails, text messages, and pestering the seller, I finally got some logs for the roadster I've been eyeing! But it looks like they tried removing the VIN number and expanded the .tar file. I've tried the Idleloop's VMSParser but it comes back with nothing - I tried re-taring the stuff, but i'm not sure if the whole package had the right strcture - there is a large vms_log file that's about 8mb, so I have some hope. Wondering if anyone here has experience with potentially mangled log .tar's that would be willing to lend a hand to a hopeful roadster owner. Attached is a picture of the current folder structure. I received the logs.rar which seems like it had been re-compressed. Trying to extract some info like battery_data or daily_history resulted in VMSPArser just hanging and empty files. Let me know what info I can provide to get more help

    upload_2021-1-30_2-55-24.png
     
  8. gregd

    gregd Active Member

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    If they're trying to hide things, I'd let it go. Not worth the risk.
     
    • Like x 1
  9. slcasner

    slcasner Active Member

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    In my own parser, the only file that I care about from the tar file is the big vms_log file. Because it is a binary file it would be harder to remove the VIN from it.

    The vms_log file should be outside of the flash folder:

    > tar tf 202101011924.tar
    vms_log
    flash/
    flash/soh_log.raw
    flash/rms.log
    flash/soh_debug.txt
    flash/vms.cfg.enc
    flash/soh_log.raw.old
    flash/soh_debug.txt.bak
    flash/chargeLocs2.cfg.enc
    flash/messages
    flash/whpm.log
    flash/ahr.log
    flash/vt.dat
    flash/user.cfg.enc
    flash/log_offsets
    flash/firmware.rc
     
  10. spicywith

    spicywith Member

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    Ok, trying it out... How long should it take to execute the following:

    $ VMSParser logs/vms_log
     
  11. spicywith

    spicywith Member

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    I think it's more incompetence than malice. Not a private party, so I don't think they know what they're doing.
     
  12. slcasner

    slcasner Active Member

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    I tried the same operation and it does not produce any output other than the header lines. But when I created a tar file containing just the vms_log file and fed that tar file to VMSParser it produced the expected output.

    tar cf test.tar vms_log
    VMSParser test.tar
     
  13. spicywith

    spicywith Member

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    Got in touch with Tom from IdleLoop and he fixed the bug that was preventing me from parsing the logs, thanks Tom! What an incredible community this is!

    Ok, we got a VIN starting by
    SFZRE2B12B3000***
    Is it possible to tell the exact model?

    from the logs, the last values recorded:
    range soc = 80%,
    brick min 139.325Ah
    brick ave 141.890Ah
    CAC 139.63 Ah

    How does that sound for a battery that was replaced in 2019?

    Looking forward to any pointers!
     
  14. X.l.r.8

    X.l.r.8 Supporting Member

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    Not good. Mine has 160,000 km and similar CAC, Its not terrible but could/should be better. Why are they hiding the VIN, its in the windscreen!
     
  15. spicywith

    spicywith Member

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    What type of range do you get with that CAC?

    What could such a low CAC signify?
     
  16. X.l.r.8

    X.l.r.8 Supporting Member

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    With that much of the VIN you can limit the number of cars to
    SFZRE2B12B3000493 Germany - Black
    SFZRE2B12B3000526 Norway - Orange
    SFZRE2B12B3000574 Norway - Black
    SFZRE2B12B3000784 Denmark - White

    I charge in Range mode a lot so I regularly see 355-365 km depending on weather. obviously the lower range right now as I have no garage and its been -5 C here. (lithium 12v still working fine) On the US side I expect to see 220 miles in range and 170 in normal but conservative driving can push that to 180 miles
     
  17. spicywith

    spicywith Member

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    I see, that's not terrible? What should be the range for a 2-year old battery that hasn't been driven much?

    Are you able to tell the model from the VIN though?
     
  18. X.l.r.8

    X.l.r.8 Supporting Member

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    Non Sport 2011
    Character 8 Engine Type : 1 = Tesla M6 Base motor 3 = Tesla M6 Sport motor
     
  19. X.l.r.8

    X.l.r.8 Supporting Member

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  20. gregd

    gregd Active Member

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    A CAC of 139.63 is a bit better than my car's original battery now (136.9), after 11 years and 54k miles. So, the battery might have been replaced 2 years ago, but it wasn't replaced with a new one. It's not a "bad" battery, just not a 2 year old one.

    A Standard Mode charge for me comes in at about 159 miles, +/- depending on season. I haven't range charged in a few years, but last time I did it was about 212 miles. I expect it's down to about 200 now.
     

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