Question about Kenwood KDC-MP4028 CD Player

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Car Stereo Help i just dug out my kenwood KDC-MP4028 and i forgot my 4-digit code and i can't find my remote, i bought the thing brand new a while back and i an wondering if i can get inside and jump something or andything to completely reset it to factory

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  • robert braehmer Oct 17, 2008

    Bought used car with KDC-4028. Today I disconnected the battery, and now need the code for the player. I was never given the code and the dealer doesn't know either. I've read the one post about a small reset button, but could not find one.

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There should be a reset switch behind the face or really small on the face .....email me

Posted on Sep 28, 2008

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How do you set time on kenwood kdc mp4028


This is a problem that no one can solve for you, im afraid you have to read your manual or take it to a nearby dealer or car stereo shop all radios are slightly different and there is no way to explain it over Fix Ya advice.

Good luck sir...

Jun 19, 2010 | Kenwood KDC-MP4028 CD Player

1 Answer

NEED 4 DIGIT CODE PLEASE


can you give me the serial number off the casing of the stereo plaease?

Mar 17, 2010 | Kenwood KDC-MP4028 CD Player

1 Answer

I have a Kenwood KDC-MP 4028 car stereo that I need to unlock the code.


Unfortunately Kenwood codes are only available from the Main Dealer or by using a Radio Decoding Service who will connect a laptop to read the working code inside your radio`s memory chip (EEPROM)

Nov 14, 2009 | Kenwood KDC-MP4028 CD Player

1 Answer

Hi we just bought a used truck with a kenwood KDC-MP4028 cd player. After unplugging the battery we cant seem to unlock the security code.... Im going crazy with out my music, Help!


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!

Oct 18, 2009 | Kenwood KDC-MP4028 CD Player

1 Answer

Need the unlock code


All Kenwood Radio Codes are available online sameday service via serial number

Visit www.instant-radio-code.co.uk

Aug 08, 2009 | Kenwood KDC-MP4028 CD Player

1 Answer

Kenwood KDC-MP5324


call kenwood you need the model and serial number and they may charge $25...

Jan 04, 2009 | Kenwood KDC-MP4028 CD Player

24 Answers

Forgot my code.


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: 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. 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 HOPE THIS HELPS!!!!! -- AMPMAN--

Aug 27, 2007 | Kenwood KDC-MP4028 CD Player

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