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Thread: nanocom problem

  1. #1
    Join Date
    Apr 2007
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    nanocom problem

    My new nanocom wont communicate with the ecu, it fires up and loads every thing, goes into the different areas like eas but has zero values and after a time (seems slow compared to my disco 2 td5 separate unit) comes up with the cannot communicate with ecu
    any thoughts
    cheers
    blaze

  2. #2
    TheTree is offline ChatterBox Silver Subscriber
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    Feb 2013
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    Gosford, NSW, Australia
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    Quote Originally Posted by bblaze View Post
    My new nanocom wont communicate with the ecu, it fires up and loads every thing, goes into the different areas like eas but has zero values and after a time (seems slow compared to my disco 2 td5 separate unit) comes up with the cannot communicate with ecu
    any thoughts
    cheers
    blaze
    Try cleaning the OBD connector, they sometimes get wet from the Air con drains

    Steve
    MY96 4.6 HSE P38. Niagara Grey; "The Phoenix"
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    P38 write ups and info on my website http://p38.hts.com.au/

  3. #3
    Join Date
    Feb 2010
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    For some ECUís, the engine needs to be running to communicate with said ECU.

    EAS is one of those.

    On the other end of the scale, the BECM likes the engine to be switched off!

    Cheers
    Keithy

    Green 2000 P38 Range Rover HSE - Gone
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    Silver 2002 P38 Range Rover HSE - Sequential LPG, BCDC Charger, TPMS, Rear Locker, Wheel Carrier, Bullbar & Spotlights, General Grabber AT2's, Too Much to Mention!

  4. #4
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    Quote Originally Posted by Keithy P38 View Post
    For some ECUís, the engine needs to be running to communicate with said ECU.

    EAS is one of those.

    On the other end of the scale, the BECM likes the engine to be switched off!

    Cheers
    Keithy
    So far I have tried both, engine running, engine off, cleaned the plug.
    booked into my mates w/shop in the morning to hook his up and clear any loged faults etc
    In my mind that if his works and reads the ecu, my nanocom is faulty
    cheers
    blaze

  5. #5
    Join Date
    Apr 2007
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    1,697
    update
    so hooked it up at mates workshop and bingo, read with no problems on his (snapon) no problems reading ecu and clearing faults, now to try getting nanocom to reply to my messages
    cheers
    blaze

  6. #6
    Join Date
    Mar 2018
    Location
    Rowville
    Posts
    9

    Same here Mate. maybe these tips might help

    Blaze, I had exactly the same problem. I cleaned the OBD pins and plug several times, wiggle it, prop the plug up etc and it sometimes connects and sometimes doesn't. One thing that it needs is about a minute of ignition on time to be able to connect BEFORE I go into an application like EAS, HEVAC etc. If I go in too quickly it will not connect even if I keep trying. I have to go out to the screen showing the different ECUs then back in.

    As others mentioned some ECUs like BCM, and I think ABS and maybe CC (all the ones important for safety) can only have one connection at any one time so need the engine off and once finished with one you need to cycle the ignition. Oh and I have to have the CC switch pushed in to get to the CC ECU, found that out after a lot of stuffing around.

    Tip for Mr Nanocom, how about some on screen prompts to remind Users about these little things?

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