Have a vw golf 4 2004 model car moosson car radio lock it some electrical problem so the battery was removed and I don't have the radio code because I bought it used here is my vin:9BWGH21J5Y4031636 RADIO SN: VWZ9Z7Y7190597 Email: [email protected]

VW codes require access to the VW Dealer database so are unlikely to be available for free from anywhere on the Internet
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Mention FixYa Forum

Take battery out for 6 to 12 hr's and it will fix your problem.
Sometimes it take's two try's but it will work.

You need to call the dealership to get the unlock code. They are going to need proof of ownership.

The radio is in Lock-Out mode. You only get two attempts to enter the code, then it enters Lock-Out mode.
Put the key in ignition and turn on the radio for an hour (maybe a bit more). The radio should reset itself after about an hour and then you can re enter the code.

Without knowing the model of radio fitted to your car I would make the following assumptions

The CD Player is Locked Out:

Either

Because the battery has been disconnected and the clearing sequence in your handbook was not followed correctly you may have to wait several hours between attempts to unlock it and you will need the original code at hand as a fail safe

Or

The CD player is from another VW car and the on-board code in the memory does not match that one.

Resume:

You need to look out the little book that came with the car and read up on clearing the code for that particular model.

Last resort is a VW Dealer who should provide assistance free of charge , according to the handbook

If you tell me the model number and make of radio i may have the right code
contact me at 07821810506

You need to call vw for the reset code for your radio if it is a factory radio.

your main vw dealer will give you the code or a good car radio shop will be able to recode it

try somebody with a vag.com near you they may be able too get code out for you..

remove radio and fit a decent one. use the money vw would charge to recode it to buy a cd player with warranty. buy/borrow the two keys to remove the gamma