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 reproduced in right way.

3520045

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

You must buy a new code. They are cheapest on eBay.

Hi,

You can download and print the installation manual and wiring diagram for Sony CDX-GT63UIW in PDF format by clicking this link.

Adobe PDF Reader is required to view this manual. Download Adobe Reader

Hope this helps. Kindly let me know if you have any difficulty in downloading the manual.

Thanks for using FixYa.

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.

sony auto radıo 9900 code no serialno 3509179
türkey kard [email protected]

I am trying.

give me an email address to send it to
[email protected]

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Hi call the sony corp techinal support on the back of your radio. They sould release the security code with you serial number on back of it. Hope i helped you out, good ratings help me out. Have a nice day