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Need security codes for kenwood KDC 4020 - Kenwood Car Speakers & Subwoofers

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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 and hold the "Auto" button and "Track up" (next track button on the right) 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:

5
5
Track Up
2
2
2
Track Up
2
Track Up
7
7
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.

i hope this works for you.

Posted on Nov 26, 2008

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3 Answers

Hi i have a kenwood hdv 910 car sterio and i do not have the code key cod for it.


you can send your stereo back to Kenwood to have the security code reset.

Oct 19, 2008 | Kenwood Car Speakers & Subwoofers

2 Answers

Ulock code kdc-mp5028


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# DPX-4020 and DPX-4030
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
by Robotek

hope this helps...

Jul 30, 2008 | Kenwood Car Speakers & Subwoofers

2 Answers

Code for kenwood kdc-mp5039u serial no. ke1443w1201258


Code for kenwood kdc-mp5039u serial no.
ke1443w0801305

Apr 23, 2010 | Kenwood Car Speakers & Subwoofers

1 Answer

Need a security code for kenwood car stereo model number KDC-w6541u


You'll have to contact Kenwood, or the preacvious owner of the radio. Kenwood will want your licence no., name, address, registration number, and VIN no.

Sep 27, 2008 | Kenwood Car Speakers & Subwoofers

1 Answer

For got security code for my kenwood kdc-mp228


you need to take it to your nearest kenwood service agent or radio decoding specialist
good luck

Aug 05, 2008 | Kenwood Car Speakers & Subwoofers

1 Answer

I have a kenwood deck and it locked i can not use it it is a kdc-mpv6022


Good Day,

KENWOOD SECURITY CODE CLEAR procedure

These codes are applicable for all Kenwood radios that do not have DVD or DVD screens located on unit.


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# DPX-4020 and DPX-4030
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 on the remote
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key on the remote
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key on the remote

The security is canceled and the set enters the TUNER mode!

The above was pulled from:
http://forum.ecoustics.com/bbs/messages/4/134366.html

Also try:

press reset use remote right after it loads press 552222777 then track forward do this with the remote open so you can use the numbers and make sure its in the audio mode the little switch on the side. prerty simple p.s. nothing will happen on the screen so dont stop pressing the code and press track forward you can now set the code to what ever 4 dig code you want in the set up screen

Also try: bypasse code of "2222"

Hope this helps

Jul 07, 2008 | Kenwood Car Speakers & Subwoofers

1 Answer

Need unlock code for kdc-mp825


Good Day,

KENWOOD SECURITY CODE CLEAR procedure

These codes are applicable for all Kenwood radios that do not have DVD or DVD screens located on unit.


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# DPX-4020 and DPX-4030
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 on the remote
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key on the remote
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key on the remote

The security is canceled and the set enters the TUNER mode!

The above was pulled from:
http://forum.ecoustics.com/bbs/messages/4/134366.html
Also try:

press reset use remote right after it loads press 552222777 then track forward do this with the remote open so you can use the numbers and make sure its in the audio mode the little switch on the side. prerty simple p.s. nothing will happen on the screen so dont stop pressing the code and press track forward you can now set the code to what ever 4 dig code you want in the set up screen

Also try: bypasse code of "2222"

Jul 05, 2008 | Kenwood Car Speakers & Subwoofers

1 Answer

I have a Kenwood kdc mp828. I disconnected my battery cable and now can not remember my security code. I need to reset the unit so I can again listen to my stereo.


I read a blog on your site about Kenwood stereo's. I used that information to unlock my stereo security code. Albiet, I did have to figure out a bit of the code needed myself. I am again able to listen to music on my stereo.

Jun 26, 2008 | Kenwood Car Speakers & Subwoofers

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