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I have a kdc-4022 that said i need a code - Kenwood Car Audio & Video

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Try the code - 3051.


If it works, than its g8 unless :-


KENWOOD SECURITY CODE CLEAR procedure


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model#
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key
push buttom "track up" for 3 seconds
The security is canceled and the set enters the TUNER mode!


Thnx.

Posted on Nov 27, 2008

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During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears). 
Then using your remote enter your code

Posted on Nov 27, 2008

  • jamesrated Nov 27, 2008

    How do I Reset a Kenwood Security Code?

    Kenwood car stereos are protected against theft by four digit security codes. If a thief steals a Kenwood car stereo, they will not be able to use the stereo until they enter the secret for digit security code.

    Unfortunately, many legitimate owners are also locked out of their Kenwood car stereos due to these security codes. This typically happens to people who buy used cars from people who forget to share the security code. However, it also happens to people who simply forget their security codes after several years.

    Common Kenwood Security Codes
    Many Kenwood radios are configured with the same security codes:

    KCAR - This seems to be a "backdoor" to some Kenwood models. 
    3051 - This is the security code which is printed in the manual of many Kenwood models. 
    1234 - This is a security code commonly chosen by Kenwood owners. 
    Entering Your Kenwood Security Code
    If the car battery fails or is disconnected, the Kenwood will ask for the security code.

    The procedure to enter your security code differs on various models of Kenwood car stereos. Here are three of the more common procedures:

    Type 1
    During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds until the "..." display disappears. 
    Enter the security code using your Kenwood remote. 
    Type 2
    Press the "Auto" button and "Track up" on the face of radio at the same time until the four dash lines disappear. 
    Enter the security code using your Kenwood remote. 
    Type 3: Model# DPX-4020 and DPX-4030
    Press and hold the 1 then the 6 preset keys until the display shows the letter 'C'. 
    Enter the security code using your Kenwood remote. 
    Entering Letters on your Kenwood Remote
    To enter a letter using your Kenwood remote, press a button once for the first letter, twice for the second letter, and three times for the third letter -- then press the Track Up or Next Track key to send the letter.

    To send the letter 'A', press the 2 key once and then press the Track Up key. To send the letter 'B', press the 2 key twice and then press the Track up key. 

    Finally, when you are done entering all of the letters, press and hold the Track Up button for 3 seconds.

    The key sequence to enter the security code KCAR is:



    Track Up 



    Track Up 

    Track Up 


    Track Up 
    Your Kenwood should then enter tuner mode.

    A Security Code Bug in some Kenwoods
    There is a reported bug in the security code handling of some Kenwood stereos. In models with thie bug, the security code is stored incorrectly. The workaround is to enter the wrong security code.

    In models with this bug, you have to decrement the third character of the security code by one. If your security code was 1111, you would enter your security code as 1101. If your security code was 9999, you would enter 9989.

    Finding the Kenwood Security Code
    There are backdoor codes for each Kenwood car stereo, based upon the model and the serial numbers.

    These backdoor codes are closely held secrets. Outfits like Car Audio Accessories UK will sell you the code for your radio for £20.

    Sending Your RadioBack to Kenwood
    If all else fails, you can send your stereo back to Kenwood to have the security code reset



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