Radio code will not work though it is code that goes with serial number that showed on screen on unit when i did like tech. explain on code site

The dealership is the best place to get the code, based on the VIN number. Most of the 'free' sites have a small charge.

6000 CD 2004 - 2007 You can calculate the code for your 6000CD radio from the serial number that you can find on the screen or rear label. To make the serial appear on the screen, press and hold buttons 1 and 6 for three seconds.

Ford 6000 CD Radio Code Generator

More here

https://www.google.com/search?q=Unlock+code+for+a+Ford+6000

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The battery was disconnected from my vehicle and now my radio display is flashing "CODE" and the radio doesn't work. Where can I find my radio code? If an audio unit with theft protection is disconnected from electrical power, you must enter a unique code into the unit or it will not work. This code and the audio unit's serial number are listed on the anti-theft ID card that comes with the vehicle. If this card is lost, you must obtain the audio unit serial number in order to get the radio code. Once you have the audio unit serial number, you can go to the Radio & Navigation System Micro-site to retrieve your radio code. Some newer vehicles allow you to retrieve the audio unit serial number electronically from the radio. Refer to your owner's manual for the specific procedure. Most older vehicles (model year 2003 and older) require a visit to the dealer in order to retrieve the audio unit serial number. If dealer assistance is required to retrieve your serial number, the dealer will be able to provide the radio code as well. They do charge a fortune for this service BUT>>>>.... this website is so much cheaper to obtain along with detailed instructions http://www.radio-code.com/?gclid=CMr1lJPqn6kCFU5qKgodUDlDxA

The password/code can only be retrieved from service center or from the dealer of the unit. Because at the back of the unit there is a serial number mentioned and the password/code only can be retrieved from the serial number. Each and every device/unit has its own serial number so one serial number code/password will not work with other serial number code password. The service center or the dealer has the list of code for the serial number so as soon as you provide the serial number he will get the password/code
Retrieved for you through the list.
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

The password/code can only be retrieved from service center or from the dealer of the unit. Because at the back of the unit there is a serial number mentioned and the password/code only can be retrieved from the serial number. Each and every device/unit has its own serial number so one serial number code/password will not work with other serial number code password. The service center or the dealer has the list of code for the serial number so as soon as you provide the serial number he will get the password/code retrieved for you through the list. This will help.
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Yes this happens because the radio enters a security mode (anti theft) after you disconnect the battery terminals to it, I'm afraid you can not find that code on internet, you can either find it on your car's owner's manual or go to a Honda dealer ship and they'll provide you the security code for your car, not a big deal. Hope it helps and please rate the answer, as it helps me with my general ratings, thanks! P.S. comment if you need more advice

No-one is ever particularly happy to here this, but this is the way it is; we do have to keep in mind that the original idea of codes on radios was to prevent people who steal them from being able to use them.

So, if an audio unit with theft protection is disconnected from electrical power, you must enter a unique code number into the unit or it will not work. This code and the audio unit’s serial number are listed on the anti-theft ID card that comes with the vehicle. If this card is lost, you must obtain the audio unit serial number in order to get the radio code (some people say that they have found the code on a sticker inside the glove compartment, but I wouldn’t count on that). Some newer vehicles allow you to retrieve the audio unit serial number electronically from the radio. Refer to your owner’s manual for the specific procedure (the following usually will work: Turn the radio off. Push the preset 1, preset 6, and power buttons at the same time, then quickly release. The serial number will come up in two sets of numbers.)
Some older vehicles (model year 2003 and older) require a visit to the dealer in order to retrieve the audio unit serial number (or you can remove the unit and get the serial number from the back of the radio). Once you have the audio unit serial number, you can call Auto Customer Service at (800) 999-1009 or have the dealer look up the radio code.

Here is the URL for the Honda Owner page. If you register (no charge) you are able to get radio codes using the VIN number of your car, the serial number of your radio, and the Phone Number and Zip Code that you give them when you register.

https://www.ahm-ownerlink.com/login.asp?page=%2Fprod%5Fhome%2Easp

Hope this helps you with the process.

Try this site, it looks like they charge you for the code, but if you go into a Ford dealer they may give it to you for free (you may need to provide proof of ownership). Make sure the unit does not display LOCK 10 or LOCK 13, as the unit will probably need to be sent away to be cleared. Most dealers don't have the facilities to do this themselves, although they can provide the codes. The site I've linked for you has quite a good description of how to enter the codes.

Hope this helps,
Mark.

get the model number and the serial number of your radio written down and call your local ford dealer and explain it to them most probably they might ask you to bring a recipt for the purchase adn if it satisfies there standards they will give you the code number which will open the radio again

sometimes the previous owner might wrote it down on the owners manual but if not then you need to pull the radio out and get the serial number and call the dealer they will give you a code

try taking the unit out. there is a sticker on it with a serial number
call your dealer and tell them that you need a code " service department "
they will ask for the serial number on the radio
once you give the serial number they will look it up and give you the code
do not try to put a " random " code this will lock your radio and you will have to unlock it before putting the code in it.
if the screen shows " code " you are fine, just get the code and voile.
if your screen shows " waiting " the radio is locked up and i will assis you on that matter once you get the code.