Question about Sony CDX-M8800 CD Player

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Sony cdx-m8800 Hi Guys, I have recently had a problem with my car alarm and battery, and as a result my sony cdx-m8800 headunit is asking for a security code. I don't know what it is or what it has been set as, as the headunit was in the car when I bought it. I need a security code, any suggestions/help on what to do? Cheers

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  • scoobynut Jan 15, 2008

    hi yes i have the same problem as you mate maybe we could work on this together cheers paul

  • mohmyster Feb 27, 2008

    I got myne sorted in the end, it cost £9.99, transferred via paypal, and the master code for sony was given to me that worked, but you have to have the head unit remote for it to work. Each code is individual and they will require some details from you to tell you your code. Let me know if you need their details, some people tried to quote me £50/60 pounds to try and rip me off. In the time being try my code, 0475, I dont think it will work as they have to get some details from you to get your code. Cheers

  • oscarmyer Mar 27, 2008

    on my sony cdx-m8800 everything works but i dont have on front pannel

  • shivanthin Dec 25, 2008

    After getting my car sercviced it asking 4a code. I never entered any code. what can be the default code and how can break the code?

  • Anonymous Feb 08, 2009

    I have the same prob... bought the car with deck installed... now asking for code and previouse owner never mentioned anything. It's a sweet deck... wish it worked!

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Send an email to s23moh@hotmail.com and ask them for info, they'l price up code and tell you what you need to do. cheers

Posted on Feb 28, 2008

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Can you please give me the name of the person who decoded the unit for you i now have the sony cdx-m9900 model and have the same problem asking for code cheers paul.

Posted on Feb 28, 2008

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.Hi guys. had the same problem & couldn't get the security code. Had to enter 0000 0001 0002 0003 0004 until I got it. Worked though

Posted on Feb 27, 2008

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