Question about Kenwood KDC-MP342U Car CD Player

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My kenwood kdc-mp342u is flashing "protect" - Kenwood KDC-MP342U Car CD Player

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: how can i deactivate the protect that blinks in my

Disconnecting the terminal will take to much time.. In between the skip button ,and the #1 on your stereo there is a little dot. Barely noticable unless you know what your looking for, take a safety pin or a screw( anything with a little tip) and push it in. This will restart your stereo. (Car Must be on)

Posted on Feb 12, 2010

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  • 38 Answers

SOURCE: i installed my kenwood kdc

I had the same problem, it was a bad connection. Check all your connections to your speakers and behind your radio. After you make sure all that is in order use a paper clip and press in the reset button for ten seconds and that should do the trick.

Posted on Aug 11, 2009

kenw392
  • 2226 Answers

SOURCE: the screen on my KDC-MP342U just blinks with the

first, check your speakers and speaker wires for shorts, then disconnect power to the radio for a few seconds and reconnect it. if that doesn't work, then you probably have a bad output ic.

Posted on Dec 03, 2009

kenw392
  • 2226 Answers

SOURCE: protect code

make sure you have no bare or shorted speaker wires and check your speakers to make sure they are all good. if that all checks out, you probably have a bad output ic.

Posted on May 26, 2010

  • 4 Answers

SOURCE: I have a Kenwood car stereo model # KDC-MP342U.

hold down preset 3 & 6 + reset
press preset 1 - shows dc err
press preset 1 - shows dc ok
press preset 2 - shows dc 2-4
press preset 2 - shows dc 2-0
then unit should be ok with eeprom reset

Posted on Jul 24, 2010

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I have a Kenwood car stereo model # KDC-MP342U. Protect mode has been activated on it. I found I had a frayed wire on a speaker from window movement and have replaced the wire. When I reset the radio and...


hold down preset 3 & 6 + reset
press preset 1 - shows dc err
press preset 1 - shows dc ok
press preset 2 - shows dc 2-4
press preset 2 - shows dc 2-0
then unit should be ok with eeprom reset

Jul 18, 2010 | Kenwood KDC-MP342U Car CD Player

3 Answers

How can i deactivate the protect that blinks in my kenwood car stereo, the stereo i have is the kenwood kdc mp342u model


Disconnecting the terminal will take to much time.. In between the skip button ,and the #1 on your stereo there is a little dot. Barely noticable unless you know what your looking for, take a safety pin or a screw( anything with a little tip) and push it in. This will restart your stereo. (Car Must be on)

Feb 11, 2010 | Kenwood KDC-MP342U Car CD Player

1 Answer

The screen on my KDC-MP342U just blinks with the word PROTECT


first, check your speakers and speaker wires for shorts, then disconnect power to the radio for a few seconds and reconnect it. if that doesn't work, then you probably have a bad output ic.

Dec 03, 2009 | Kenwood KDC-MP342U Car CD Player

2 Answers

All it says is protect and nothing works what do i do


the protect message flashes on my KDC MP342U radio. I have unhooked each speakers one at a time and reset the radio but the protect still flashes

Nov 19, 2009 | Kenwood KDC-MP342U Car CD Player

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