Question about Kenwood KDC-X492 Car CD/ MP3 Player

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Need the securtiy lock master code for a kenwood kdc-x491

For a kenwood kdc-x491 cannot unlock the radio help me please.

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  • monster250 Feb 24, 2009

    i need the security code for my kenwood KDC-X492 deck after i installed an amp and disconnected the batterie

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Mike258
  • 1498 Answers

SOURCE: unlock code for kenwood model kdc mp5028

Hey there joe,


Click here, it will bring to a Tip page authored by one of our best technicians (Robotek). He outlines the procedure for clearing the code on most Kenwood models.

If this gets you going, don't forget to give Robotek a rating Remember: Good things come to those who Rate!!

Mike

Posted on Sep 01, 2008

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shagone
  • 34 Answers

SOURCE: lost the Code for Kenwood Car-radio KDC-W6527

Try code KCAR entered from the remote

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 Jan 08, 2009

foskorider
  • 79 Answers

SOURCE: kenwood kdc-x491 wiring diagram

red, yellow, black/ign constant ground
blue, blue white stripe/rem pwr ant
grays, whites, purples, greens/ front front rear rear
its the same on all headunits except cheap *** wal mart headunits

Posted on May 18, 2009

Nomodo4u
  • 863 Answers

SOURCE: no lock code for car stereo

Here you go buddy:
http://www.fixya.com/support/r538828-security_unlock_code_kenwood_most_models

Posted on Nov 23, 2009

prakas_3p
  • 107 Answers

SOURCE: kenwood kdc-mp228 can't unlock, need master bypass codes

hi
menu > settings > security > change lock code > apply master code in place of lock code and press ok > enter new code what you want

Posted on May 08, 2010

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1 Answer

I got a kenwood kdc-x491 from a local pawn shop. it works fine but its staying on demo mode. how can i turn it on to a regular use mode?


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Kenwood kdc-x491 wiring diagram


red, yellow, black/ign constant ground
blue, blue white stripe/rem pwr ant
grays, whites, purples, greens/ front front rear rear
its the same on all headunits except cheap *** wal mart headunits

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http://inform3.kenwoodusa.com/manuals/KDC-MP435U.pdf

Page 28 says that a shorted speaker wire could cause this. 

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