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Thread: Erratic CANBUS

  1. #1
    Regular Member johnmac's Avatar
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    Default Erratic CANBUS

    Hi

    Looking for advice on the following.....

    Recently replaced the rear indicator bulbs as the orange coating had came away.After this, I started to get an intermitent warning a rear light bulb failure.All the bulbs appeared fine so I cleaned up all the contacts on the cluster - still the same.Eventually changed all the bulbs.This seemed to cure it....until I started to get warnings for the LHS bulbs(previously had been the RHS!),then the RHS again !!! wtf? AS soon as it alarms and I click 'ok' the alarm clears and the warning symbol disappears from the dash.Really stuck here.Its as if it is trying to make me go off my head.At this point,I am not far away from doing this!!!

    Any advice?

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    Regular Member rushy's Avatar
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    Vehicle : 9-3 Wagon

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    Take the hole cluster out and clean all the contacts and plug, that should it mate.

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    I have a Signum where the off side rear indicator blinks a couple of time after powering up then stops working. I had a tech 2 scan which suprisingly indicated open circuit OSR indicator. I tried a holder bulb and rear body control module and guess what it still dont work!

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    Administrator plasma's Avatar
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    with tech2 it reads live data. So the possibility exists to leave it powered up, try things and watch the readings at the same time.
    Plasma's Tech2 services are now open and able to provide services

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    Regular Member John C S's Avatar
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    Could this be a poor quality bulb scenario?????

    Could they be giving erratic voltage readings?

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    Quote Originally Posted by John C S View Post
    Could this be a poor quality bulb scenario?????

    Could they be giving erratic voltage readings?
    I have tried a different bulb and holder with no joy

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    Regular Member John C S's Avatar
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    Quote Originally Posted by okanac View Post
    I have tried a different bulb and holder with no joy
    Fair do's Bud, I just know how annoying it is when the obvious is overlooked.

    Hello and to the site BTW

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