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Thread: Bad key message

  1. #1
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    Unhappy Bad key message

    I recently installed a sound system and siren to my Spyder RS. It's has problems starting. The last message displayed is "bad key". What is the problem? Thank you.

  2. #2
    Very Active Member Deanna777's Avatar
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    Quote Originally Posted by Eugenia View Post
    I recently installed a sound system and siren to my Spyder RS. It's has problems starting. The last message displayed is "bad key". What is the problem? Thank you.
    You have the "D.E.S.S. which stands for Digitally Encoded Security System.
    Get your D.E.S.S. module changed . Turn on/off immediately for about 4 to 5 cycles, and DO NOT LET THE SYSTEM SHUT DOWN.

    What year is your spyder?


    Hope the above info helps.

    Deanna
    I have a thread going " KEY CODE AGAIN!!!!!!!!!! this is a long thread with some very use full info.




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  3. #3
    Very Active Member billybovine's Avatar
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    What year?

    2018 F3 LIMITED

  4. #4
    Very Active Member Chupaca's Avatar
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    Default Bummer.....

    If all this started after installing the alarm and sound system it may be that something done then has caused the problem. Try disconnecting the sound system and alarm and see if clears up. If you have a second key try that one as well. Don't recall the RS having issues with the DESS....
    Gene and Ilana De Laney
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  5. #5
    Very Active Member Bfromla's Avatar
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    Quote Originally Posted by Chupaca View Post
    If all this started after installing the alarm and sound system it may be that something done then has caused the problem. Try disconnecting the sound system and alarm and see if clears up. If you have a second key try that one as well. Don't recall the RS having issues with the DESS....
    the bad key message can also appear if there is more than one key with a transponder chip first one read wins So when trying spare key try just it have all others well away hopefully the sound system is not interfering.

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  6. #6
    Active Member bayoumanPIBE's Avatar
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    I have a 2014 ST-S SE5 I purchased new in 2014. The DESS issue just stared happening to me last week.

    I do not have a radio or anything like it. I did get a GPS not long ago, but I have only used it once so far, and that was almost a month ago. The only electrical I have done is replacing the reflectors with LED's.

    This past Tuesday evening was the worst. It took about 8 times of insert/re-insert, etc.. before it would crank. I will try to remember what you mentioned Deanna about "Turn on/off immediately for about 4 to 5 cycles, and DO NOT LET THE SYSTEM SHUT DOWN.".

    Life interrupted back then up until about a year ago, so I have not been able to ride until this year. I hear this happens around the 7-9k mileage and mine is right at 8k...and generally within the 2014 models. So, now it is out of warranty.

    I've been reading Deanna's thread and others with theories in these forums about about this mess. Things like it could be the antenna by the ignition, heat and high humidity, other keys with chips next to the spyder key, etc..

    I also read where some have replaced the module only to have the issue happen again and they replaced it again, and on and on...

    I called my nearest reliable service center (5 hours away), and they said for me to bring it in for a diagnostic check. I really do not want to drive that far just for that.

    I really wish this issue would have been resolved. I do a lot of photography when riding, and I do not want to be stranded after taking pics and the key errors out.
    Life's short...Play it by ear and ryde!

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