Question about Kenwood KDC-MP438U Car CD/ MP3 Player

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My Kenwood KDC-W4544U came up with "Protect" which sugests that the speaker wires are in contact with the car bodywork. I have checked all of the speakers and they are fine, on resetting the unit the display is bak to normal but there is no sound at all?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Kenwood kdc-mp"635"------ protect "help"

I have a kenwood kdc-mp635 and when i turn on my radio it reads protect...i recently bought it a month ago and it was all fine till a couple of days ago i was driving and it turned off and said "protect"! i reseted it and it worked for like literlly a minute then back into protect mode.. i check all my wires, amps, grouds, cdplayer wiring and cant seem to find the problem... before when i reseted it, it worked for a minute then went into protect....now it doesnt even turn on anymore all it does is reads "protect" i reseted it and still nothing....it doesnt turn on after i checked all my wiring and grouds...im stuck and in-need of help..i have no musicccc.....no radioooo...!!! i dont know what else to do?????

Posted on Mar 03, 2008

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  • 132 Answers

SOURCE: DCER error

Every 1 of those i have gotten in service here the amp chip #KKZ10 REF# ic5

Posted on Jul 25, 2008

  • 3 Answers

SOURCE: Kenwood KDC-MP438U "USB ERROR"

IF YOU DID NOT PRESS THE RESET BUTTON NEX TO THE USB PLUG, DO IT. IT WILL REINITIATE THE DEVICE TO THE FACTORY; YOU WILL HAVE TO ADJUST THE CLOCK.
I DID BECAUSE IT WAS WORKING AT FIRST.( PAGE 3 OF THE MANUAL)
CLAUDE

Posted on Jan 19, 2009

  • 1 Answer

SOURCE: Protect Mode on Kenwood KDC-MP335

this is very simple to do just take your face plate off and were you see a red light blinking just get like a bobby pin or something and pit it through the hole and the radio will reset and that should fix your problem

Posted on Jan 22, 2009

kenw392
  • 2226 Answers

SOURCE: Kenwood KDC 241 SA car radio 'Protect'.

you could have a shorted speaker wire, a blown speaker; or the output ic in the deck itself could be bad.

Posted on Mar 03, 2010

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1 Answer

My Kenwood KDC-U453 cd receiver displays "PROTECT" on connection and nothing works - any solutions appreciated!!!!


Pull the radio out, tape off all wires but yellow, red and black. Twist red/ yellow together and attach to positive 12 volt, attach black wire to negative 12 volts. Turn on radio and see if it comes out of protect mode. If it does, you will have to troubleshoot all of the speaker wires to find a short.

Apr 11, 2013 | Kenwood Kdc-u453 Car Audio Radio Iphone...

1 Answer

Kenwwod KDC MP 543u Protect mode problem


This indicates a short in one of the speakers, or possibly the speakers are not wired correctly. Please see my tip at http://www.fixya.com/support/r9389300-stereo_says_protect_or_clicks_off_when .
Correct wiring for 95 Corolla is as follows:

1995 Toyota Corolla Wiring harness, Kenwood wire color
Radio Constant 12V+ Wire: Blue/Yellow, yellow
Radio Switched 12V+ Wire: Gray, red
Radio Ground Wire: Brown, black
Radio Illumination Wire: Green, not used by Kenwood--please tape off
Radio Antenna Trigger Wire: Black/Red, blue
Left Front Speaker Wire (+): Pink, white
Left Front Speaker Wire (-): Purple, white/black
Right Front Speaker Wire (+): Light Green, gray
Right Front Speaker Wire (-): Blue, gray/black
Left Rear Speaker Wire (+): Black, green
Left Rear Speaker Wire (-): Yellow, green/black
Right Rear Speaker Wire (+): Red, purple
Right Rear Speaker Wire (-): White , purple/black

Dec 29, 2011 | Kenwood Car Audio & Video

1 Answer

What does the sign protect mean when its flashing on the screen of te reciever for the kdc-x395


  • For this deck the users manual for KDC-X395 says to check to be sure the terminals of the speaker leads are covered with insulating tape properly and make sure no wires are accidentally touching another wire or piece of wire. Then you are to reset the unit. If "PROTECT" does not disappear, consult your nearest service center.
  • You can contact Kenwood customer support here http://www.kenwoodusa.com/Support/


Regards, Tony

May 23, 2011 | Kenwood Car Audio & Video

1 Answer

Its flashing the word "protect".. i need the


there is no code. protect means you have a short in the speakers or speaker wires, or a bad output ic.

Dec 28, 2010 | Kenwood KDC-MP338 Car CD Player

1 Answer

I am installing kenwood kdc-mp443u. it is flashing protect and i can't remove it. can you help please?


A speaker wire has a short-circuit, crossed, or touches the chassis of the vehicle it activates the protection mode function.
? Wire or insulate the speaker cable properly and press the reset button. If the "PROTECT" code does not disappear, consult your nearest service center.
I have attached a link for you which is for a free Kenwood KDC-MP443U instruction manual download. Nice receiver by the way!
Kenwood KDC MP443U Instruction Manual

Dec 18, 2010 | Kenwood KDC-135 CD Player

1 Answer

Kenwood KDC-MP732 CD Player in protect mode how do i get it off had a blown speaker fixed it and still in protect mode


Protect Mode (Blink): The speaker wire has a short-circuit or touches the chassis of the vehicle, and then the protection function is activated.

Solution: Wire or insulate the speaker cable properly and press the reset button.

Here is a copy of the Instruction Manual for the Kenwood KDC-X790 and KDC-MP732.

Jul 25, 2010 | Kenwood KDC-MP732 CD Player

1 Answer

Kenwood KDC 241 SA car radio 'Protect'.


you could have a shorted speaker wire, a blown speaker; or the output ic in the deck itself could be bad.

Mar 03, 2010 | Car Audio & Video

1 Answer

I get the word Protect flashing on my Kenwood kdc-mp4345u


check your speakers and speaker wires for shorts. if there are none try disconnecting power to the radio for a few minutes. if protect still comes on you may have a bad ouput ic.

Jan 14, 2010 | Kenwood KDC-MP435U CD Player

2 Answers

My kenwood flash protect after i reset it


sounds like it could be either a bad speaker, a shorted speaker wire, or a bad output ic inside the deck.

Oct 23, 2009 | Kenwood KDC-135 CD Player

2 Answers

Kenwood cd receiver KDC-MP436U


Protect:- The speaker wire has a short circuit, or touches the chassis of the vehicle, then the Protect function is activated. Wire or insulate the cable properly and then press the reset button. If the "Protect" code does not disappear, consult your nearest service centre.

Mar 20, 2008 | Kenwood KDC-MP235 CD Player

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