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Does the 1.5 suport J1772?

Discussion in 'Roadster' started by nick, Apr 14, 2017.

  1. nick

    nick Member

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    I purchased a Tesla J1772 adapter cable years ago when they first came out - never used it.

    Tried a Leaf J1772 charging cable once just to test - no go.

    Just got a cheap Duosida charging cable to replace the Leaf cable that blew... the Duosida cable works great for the Leaf but no go on the Roadster. When connected the charging port flickers between blue and white and the LCD in the car flickers between the power cable connected and not connected.

    I should try to find a commercial J1772 charging station some time... wondering if it is meant to work
     
  2. DaveD

    DaveD EVs Kick Gas!

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    Paging @hcsharp ... !

    Henry can tell you more than you'd probably care to know about Roadster J-1772 compatibility.
     
  3. hcsharp

    hcsharp Active Member

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    I have one of those Duosida cables but haven't tried it. It was sent to me as a free sample from a company selling EVSEs. Were you using it on 120v or 240v?
     
  4. ecarfan

    ecarfan Well-Known Member

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  5. dhrivnak

    dhrivnak Active Member

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    I have charged with MANY public J1772 cables with no problem in my Roadster. Initially I used the Tesla adapter but then moved to the more eligant CAN JR by our Mr. Sharp. So it does sound like you have a unique problem or a bad cable.
     
    • Like x 1
  6. MileHighMotoring

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    You may have to get the firmware updated at the SC before J1772 will work. I did.
     
  7. nick

    nick Member

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    240V

    Same one I have.

    Thanks for the feedback. Plan of action - I will go down to the local mall tomorrow and try a commercial charger. If that fails as well I will set up a service appointment at Tesla.

    I have a 50A OpenEVSE kit on order - plan is to use the Roadster cable from my Tesla 30A box once I know the car works with the J1772 signaling.
     
  8. josh-io

    josh-io Member

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    I have charged my 1.5s with the J1772 CAN adapter, and two different Tesla adapters. No problems at all.
     
  9. dhrivnak

    dhrivnak Active Member

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    I have successfully charged at a hundred different J1772 plugs with my 1.5 so yes it should work. It is VERY rare I have a problem.
     
  10. supersnoop

    supersnoop Tesla Roadster #334

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    The Roadster was developed along side the J1772 spec, but the car was released before the spec was finalized. Someone with more historical knowledge could probably detail the differences. As I recall, there may be a shortcoming in the ground isolation limits, which could cause some "cheap" chargers to fail negotiation with the Roadster.
     
  11. TonyWilliams

    TonyWilliams Active Member

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    The Duosida cable may not work on some or all Tesla powered products. It absolutely does not work on 2012-2014 Toyota Rav4 EV (with Tesla equipment).
     
  12. nick

    nick Member

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    I ran down to a commercial charging station (EVgo) and the Roadster charged without issue.

    Looks like the Duosida cable doesn't work with a Roadster. The car rapidly flips between reporting the cable connected and not-connected.
     

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