Question about Kenwood KDC-MP638U Car CD/ MP3 Player
I have the kenwood MP638U installed and on the tuner source the audio works fine. when i switch it to the cd function, sound only comes through the subwoofer. i messed with the audio settings and couldn't fix the problem. any ideas?
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Posted on Jan 02, 2017
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Jan 14, 2011 | Kenwood KDC-MP638U Car CD/ MP3 Player
Oct 17, 2008 | Kenwood Car Audio & Video
Many Kenwood radios are configured with the same security codes:
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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