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Thread: SID MOT Issue

  1. #1

    SID MOT Issue

    Hi all,

    My 2003 93 is due its MOT. My SID is constantly showing a left brakelight failure even though all rear lights are working fine. Question is will this be an MOT failure. Does the SID display even have to work?


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  3. #2
    Regular Saab Guy
    Join Date
    Nov 2016

    Re: SID MOT Issue

    Supposed to check all display lights function so I guess if one remains on it might be a 'Fail'?

    Can you not get hold of a diagnostic reader, it could be as simple as requiring a reset.

  4. #3

    Re: SID MOT Issue

    May well be just an advisory, airport is correct that all warning functions should work . ( airbag , eml, etc etc ) . I'e come on with ignition , but go out once system checks have been completed
    But also a visual of the said lights , if lights work , and function correctly, then that's a pass ,
    . Some MOT places will advise on a fault like the one you have . Just to cover there own backs .

  5. #4
    Administrator aerojon's Avatar
    Join Date
    Nov 2009

    Re: SID MOT Issue

    the saab bulb out warning works on resistance,the system tells you the bulbs are failing before they actually blow..also check the wiring and socket on the side that is showing failure as they're known to melt..
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  6. #5
    Join Date
    Oct 2005

    Re: SID MOT Issue

    You can check the actual MOT manuals here:-

    Don't forget to check ALL of the special notices, the manual hasn't actually been updated since 2013!


  7. #6

    Re: SID MOT Issue

    this maybe a stupid question but are you sure they are ALL working ok, when i first had my saab i was confused to start with, there are two bulbs in each side (brake light and side light) if the brake light bulb goes in one side it shifts the power of the brake light to the other bulb to maintain a working brake light so you may well have a bulb out on that side but the car is compensating

    Current :
    2015 Vauxhall Insignia 1.4t SRI

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    2009 Saab 93 1.8t Linear Convertible
    2008 Saab 93 2.0t Vector Sport Saloon
    2005 Saab 93 1.8t Vector Sport Saloon
    2000 Vauxhall Astra 1.4 LS
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