Need the free radio code to unlock a Honda Accord EX 2002 factory installed radio. Son -in-laaw disconnected the battery and now the radio is locked. Get an error message. Radio, Cd nothing will play. How do I find the code to unlock this? I've never had to deal with this problem before.

If you've ever lost your radio code for your Honda Accord, you know how frustrating it can be.
You may have to go to your local Honda dealership and pay a fee to have them look up the code for you!
Or, you can take a few minutes to find the code yourself.
Here are 5 methods to get your Accord radio code for free.
Once you have the code, you will need to enter it into your radio to unlock it.

When you disconnect the car battery you will disable your car radio, (this is an anti-theft device).The unlock code is in your Owners manual. If you do not have this code you need to go to your Honda dealer service centre to get them to unlock your radio,

Hello you will need to visit the dealer to retrieve the unlock code for this problem your having removal of the battery has cause this to lock.Dealer usually charges $15-$20.00 for the unlock code this is the best solution.

disconnect battery and let it set for an hour , reconnect battery, it should power up, if not check your fuses, turn radio on code should come up, using your six preset radio buttons( # 1-6) type in the code and it should reset

https://radio-navicode.honda.com

This is honda's website for people who need their radio code.

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

Unlocking Error E3 on Honda AccordI had the same problem after my battery died and I didn't know what "Code" meant so I just pushed buttons until I got Error E3 and it locked up. You need to disconnect one battery terminal for 30 seconds or so, then reconnect, and the radio will say "Code" again. Type in the 5 digit code fount on the Anti-Theft Radio Identification Card (a white credit card size card that comes with the vehicle at the time of purchase). This will unlock the radio and return it to a functional state. It worked for me, so I hope that helps.
Try this
I discovered a very easy and FREE way to fix your radio. Make sure your radio is OFF. Hold down the preset buttons 1 and 6 at the same time. Turn the radio on and your SERIAL NUMBER will appear. 4 numbers first and then 4 more. Write them down (obviously) then call (800) 999-1009. Make sure you have your VIN number handy because they will ask for it. They will ask for your name and approx. milage, and your radio's serial number. They will then give you your radio unlock code--WRITE IT DOWN!
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hope this helps.
thanks.

What you have is the SERIAL NUMBER. Your almost there!!! The hard part is over! Go to the bottom below for the website option or phone number option you need to get the unlock code!!!

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FREE and EASY methods to get your Honda radio UNLOCK CODE. (Dealerships usually charge)

Assuming you don't have the Anti-Theft Code and Serial Number that is found on the credit card sized Anti-Theft Radio Identification Card that comes with the vehicle at the time of purchase and is usually found in the glove compartment....

You have FREE options to retrieve that code by phone or on the internet BUT, the RADIO SERIAL NUMBER is REQUIRED (no matter what). (see bottom about removing ERROR E3)

***IF your Honda was made BEFORE 2001 the serial number MAY not be accessible without removing the radio from the vehicle.***

* TO GET THE SERIAL NUMBER (so that you can get the unlock code)

1. Get something to write with and on (you'll need it to write down the serial number)
2. Put the ingnition key in and turn it until your able to turn your radio on (accessories position).
3. Then turn your radio OFF by it's knob/button (but leave the ingition key in place).
4. Hold down the preset buttons 1 and 6 at the same time.
5. Turn the radio on while pressing down both the 1 and 6 buttons.(***IF your Honda doesn't have preset buttons on the radio then hold down the top part of the 'Seek/Skip' button AND the top part of the 'Change Disk' button instead.*** )
6. Write down the 4 numbers you see first and then 4 more that display. These eight numbers are the SERIAL NUMBER. This is NOT your CODE.
7. Make sure your VIN (Vehicle Identification Number) is handy to get the unlock code. (can be found on your insurance card, driver's side door jam, small plate on dashboard by registration and inspection stickers, etc)

* TO GET THE UNLOCK CODE (using the radio Serial Number and VIN)

---Internet option:

1. Go to https://radio-navicode.honda.com/ (YES, it's run BY HONDA and IT'S FREE)
2. Follow on screen instructions (Serial Number and VIN required)
3. Type in the 5 digit code into your radio. This will unlock the radio and return it to a functional state.

-OR-

---Telephone option:

1. Call American Honda Customer Relations (800) 999-1009
2. When the automated message starts 'Press 3' for 'Radio and Navigation Codes'.
3. Tell the Customer Service Agent you need your radio code. (They will ask for your name, your radio's serial number, VIN, etc)
4. When they give you your radio unlock code--WRITE IT DOWN and KEEP IT SAFE!
5. Type in the 5 digit code into your radio. This will unlock the radio and return it to a functional state.

* REMOVING ERROR E3

****If you entered too many wrong codes and got an ERROR E3 message displaying you'll need to do an additional step for even the correct unlock code to work.****

Disconnect your negative battery terminal (or pull the radio fuse out if that's easier for you) for 30 seconds then reconnect it and then the radio will say "CODE" again and you can put in your correct unlock code.

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So what happened to begin with?
See also: http://automobiles.honda.com/information/frequently-asked-questions.aspx?Question=2

If the power from your battery to the Honda radio is interrupted the Anti-Theft feature kicks in, the radio is rendered inoperable and the screen reads 'CODE'. You must enter in the Anti-Theft Radio Unlock Code (usually 5 digits) to make it operational again. You know that much by now.

We do this all the time.

#1. Have radio taken out.

#2 Give dealership serial number on radio.

#3 They will give you a code.

Pull your radio out and look on the back for your radio serial number and then call Honda with that code and they will give it to you.