Question about Car Audio Receivers

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Code I tried the code 5907 but still nothing any other ideas on unlocking it.Model No CDX-M9900 serial No 3504408 thanks

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  • Anonymous Mar 08, 2009

    remote does not work

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  • 199 Answers

Use your remote and push

ENTER 5 4 1 4 ENTER

Regrads

Mark

Posted on Nov 17, 2008

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1 Answer

I can not pick up the password for unblocking Sony CDX-M9900 serial 3518987


I really rather doubt if there is a password for this radio.

May 12, 2011 | Sony CDX-M9900 CD Player

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I need the code please por the sony m9900 my e mail alberto1@hotmail.com thank you for your time and paciente. sincerilt, albert


you need to get a hold of sony with the model no.and id number off the casing off the head unit.if you have the instruction manual from this head unit,it has to be the one that it was bought with,that head unit will have the code in it.if not best buy can straiten you out for a price.ps if you think that this head unit was stolen at any time,sony will know it if its been reported.just to let you know.thats what the lockout code is all about.

Dec 21, 2010 | Sony CDX-M9900 CD Player

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I have a car audio SONY CDX-M9900 and I can't reproduce mp3 files, I don't know if it because I don't burn the CD's in the right way or if reader does not work allright. Anyway, all the Audio CD are...


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Aug 10, 2010 | Sony CDX-M9900 CD Player

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I need the wiring diagram for this CDX-M9900


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Sep 14, 2009 | Sony CDX-M9900 CD Player

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I have lost the code for my cdx m9900 car cd player, can i unlock it


See hear :
http://radio-calculator.blogspot.com
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Jun 13, 2009 | Sony CDX-M9900 CD Player

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Sony cdx-m8800


.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

Jan 14, 2008 | Sony CDX-M8800 CD Player

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