Fuel Light And Mil Lit Tiger 955i

Discussion in 'Technical Help' started by Shaun Jackson, Dec 6, 2019.

  1. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #1 Shaun Jackson, Dec 6, 2019
    Hi all, I've done loads of searches but cant find my specific problem. It's on a 2005 Tiger with 44k miles.

    Symptoms are: no reading on fuel gauge (full tank), fuel pump doesnt operate, MIL and fuel lights lit, OBD scanner and tune ecu wont connect for diagnostics. Bike turns over, battery is known good. Fuel sender unit replaced with gen part, still zero reading. Kill switch is on run. Clutch switch and side stand switch both good.

    Help!!!!
     
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  2. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #2 Alatamoc, Dec 6, 2019
    Erm, ECU failure?
     
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  3. joe mc donald

    joe mc donald Joe
    Subscriber

    Dec 26, 2014
    14,689
    1,000
    slough / burnham
    #3 joe mc donald, Dec 6, 2019
    ShaunJackson
    Welcome to the family.
    Regards
    Joe.
     
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  4. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #4 Alatamoc, Dec 6, 2019
    And a dodgy battery connection might give similar symptoms.
     
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  5. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #5 Shaun Jackson, Dec 7, 2019
    Happily eliminated battery connection as a possibility.
    I have bought another ecu, awaiting delivery. In the week the bike has been parked in the garage, the issue appears to have rectified itself, as the bike now starts and runs perfectly. I hadnt done anything to it for 3 days pending the delivery of the ecu.
     
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  6. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #6 Alatamoc, Dec 7, 2019
    How very strange.
    At least when it was dead you had things to investigate and test. Now you'll probably be waiting for the next time.
    Had a random fuel gauge fault in Belgium last week needle on my Tiger 955i went rapidly to empty then back to full a few times.
    Only fault I found was one led brake light had fallen apart. A friend told me that when LEDs start to fail they emit radio signals which interfere with all sorts of things.
    Don't know if he's correct.Replaced the bulb and been symptom free since though.
     
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  7. freck

    freck Elite Member

    May 4, 2017
    1,718
    750
    Preston, Lancs, UK
    #7 freck, Dec 7, 2019
    I’d have a good look around the ECU connectors for any signs of moisture or corrosion.
    It could be that it’s been wet and has now dried out while sitting in the garage. :rolleyes:

    Welcome to the forum BTW. :grinning:
     
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  8. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #8 Shaun Jackson, Dec 7, 2019
    With my luck, the next time will be 3am on the side of a rainy peak district road..........
     
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  9. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #9 Shaun Jackson, Dec 8, 2019
    Seems the git on ebay isnt going to deliver my ecu....... does anyone know if all the S1000T3 ecus are the same? I can reprogramme them via tune ecu.
     
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  10. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #10 Shaun Jackson, Dec 12, 2019
    IMG-20191212-WA0017.jpeg

    Fault came back today. Swapped ECUs, fired right up. Swapped back, same issue. This photo shows state of the ECU I removed.
    Hopefully sorted!!!!
    Thank you everyone for your input.
     
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  11. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #11 Alatamoc, Dec 12, 2019
    Sounds like you've sorted it.
    Pretty manky looking ECU you photographed there...hope that's the old one!
     
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  12. freck

    freck Elite Member

    May 4, 2017
    1,718
    750
    Preston, Lancs, UK
    #12 freck, Dec 12, 2019
    Yep, that one’s f@#ked! :p
     
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  13. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #13 Alatamoc, Dec 12, 2019
    At least the ECUs aren't pricey.
    My old Guzzi Californias used to blow them regularly and they were £600 each..if you could find them!
     
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  14. Hugh Murray

    Hugh Murray New Member

    May 17, 2019
    16
    3
    Somerset
    #14 Hugh Murray, Jan 29, 2020
    Yep had to replace an ecu on my Griso a year ago £350 second hand - apparently a bad earth to the ecu kicks off all sorts of random faults that come and go - could well be similar for triumphs ?!
     
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  15. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #15 Alatamoc, Jan 29, 2020
    Bad earth, reversed polarity, phases of the moon.etc.
    In the end with my Guzzis I used to keep a stock of them when I found them on eBay.
     
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  16. Shaun Jackson

    Shaun Jackson New Member

    Dec 6, 2019
    20
    3
    Knypersley, Staffordshire
    #16 Shaun Jackson, Jan 29, 2020
    That's exactly what I'm doing now...... along with other bits I can see being hard to get in the not too distant.......
     
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  17. Hugh Murray

    Hugh Murray New Member

    May 17, 2019
    16
    3
    Somerset
    #17 Hugh Murray, Feb 1, 2020
    Hmmm..... Now we have 'Brexited', I wonder how long before guzzi parts are even harder to prise out of the Italians hands than it is already. Never known any manufacturer more reluctant to satisfy its fans or dealers, or get things mechanically right from the start !!!?? Ohhh - there is the new V85TT, hoped by many to be the saviour of Guzzi but woefully underpowered. But i love Guzzis despite all their faults - wierd .......
     
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  18. Alatamoc

    Alatamoc Senior Member

    Mar 29, 2019
    493
    113
    Uk
    #18 Alatamoc, Feb 2, 2020
    Sadly I'm not allowed any more Guzzis....my Beloved can't stand to see a grown man cry and throw spanners about.
     
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