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Help re ECU error code 50 Griso 1100

Discussion in 'Griso-Bella Chat & Tech' started by Steve800, Jun 6, 2018.

  1. Steve800

    Steve800 Just got it firing!

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    Help chaps. My bike a 2006 1100 Griso is throwing up a code 50 (high battery voltage) either on start up or after a few miles.

    Have changed the battery and had the alternator checked, the battery input charge is about 14.2 volts.

    Steve
     
  2. kiwi dave

    kiwi dave GT Reference

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    Check the battery negative grounding, also the grounding of the ECU.
     
  3. Steve800

    Steve800 Just got it firing!

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    Hi,

    I’m getting nowhere really with this so any help from experienced type would be massively appreciated.

    I have cleaned all, the connections, put on a new battery, checked the earths, had the alternator checked and had a new diode fitted to it.

    I’m at my wits end. The runs great whilst static, but once ridden the the voltmeter on board goes up from 13,8 whilst ridden it rises and the the service light code 50 comes on. The last reading I see before the light comes on is 14,2 V.

    Please help or anymore suggestions as to where to seek further help would be massively appreciated.

    Steve
     
  4. kiwi dave

    kiwi dave GT Reference

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    What does a voltmeter across the battery say? Is it really going high, or is there some other issue?
     
  5. Brian UK

    Brian UK GT Reference

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    14.2 volts on the dash should not bring on the service light due to over voltage. They should all run at about that. Problem is, none of us know the inner workings of the Dash/ECU from this perspective. But I assume the dash voltage is what triggers the warning, or is there some other voltage sensor? Measuring across the battery may give no clue as it's the voltage seen by the ECU/Dash which counts.
     
  6. V700Steve

    V700Steve High Miler GT Contributor

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    Check across battery like suggested, if real 14.2V , then get a different alt. You will cook another battery.
     
  7. john zibell

    john zibell Moderator Staff Member GT di Razza Pura

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    Brian UK likes this.
  8. not-fishing

    not-fishing Cruisin' Guzzisti GT Famiglia

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    Also after you've cleaned the ground to the engine did you check it? I was surprised to find my Lemans showed 200 ohms on the battery to engine lead. I did a little cleaning of the transmission attachment point with a dremel / sanding disk, cleaned the threads of the attaching bolt and the threads of the tranny that it screwed into. Now the resistance is 0 ohms from the engine to the battery.

    I learned the multimeter is my friend. Doveryai, no proveryai
     

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