Hey guys, I have been having some on going issues with my Kenwood KDC-248U head unit. The unit returns to the factory settings when the Reset button is pressed. I researched and learned that means a possible short in the speaker and to reset the radio (by taking off the face and hitting the reset button), which I did. This may cause disc read errors. It went into protect mode about a month ago, I unplugged the radio, plugged it back in and it worked for about three weeks before it did it again. For the past few years, the car stereo manufacturers have increased the security level in their devices. Welcome to the KENWOOD USA web site for car audio products, including AV navigation, Android Auto /Apple Car Play ready receivers, car stereos, amplifiers and speakers. Your stereo receiver is going into protection mode because the receiver has an internal short, a speaker is bad or the speaker wiring has a problem, such as incorrect wire gauge or bad connections. Defcon 1 - 09/25/2019 Reply. It has gotten progressively worse and now it seems to do it every few times I get into the truck. This was fine for a … Hi I've got a DNX5310BT Kenwood Double Din and have not got my manual any long . if you have it hooked up, it should flash protect. The default code is KCAR IF thecode has not been reset. If you have a Kenwood car stereo fitted into the din slot in your vehicle and its stuck in protect mode no sound will play from the speakers. How to Reset Your Kenwood CD player Code. its going to be small, and your going to need something tiny to press it, and usually they are on the face of the radio itself. This will restore factory settings. Most of the companies now manufacture stereo systems that requires security code, if they are removed from the car. kenwood protect mode no reset button, If not, and it’s an amplifier protect mode like they do on home audio stuff, then the amplifier inside likely has a short, or blown speakers have created a short that the stereo doesn’t want to play with. I have a Kenwood car stereo. After i hooked it all up went over started the car turned on the radio and all it says is PROTECT. When the car is air-conditioned, moisture may collect on the laser lens. you need to look up your model to see where that button it. * 1234 - This is a security code commonly chosen by Kenwood owners. Does anyone know how to bypass this security code. I have a Kenwood car stereo w4044ua and i put a code on it, will the code be removed when I reset ihe device. In this case, remove the disc and wait for the moisture to evaporate. Notes One of the back speakers did some popping, and then the radio went into a flashing "protect" mode. Now this can either happen because of the software on the chip that is corrupted and needs factory resetting or the speaker wires are shorting out. If that’s the case you’re … 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. Kenwood equips its receivers with a protection mode to safeguard them. The problem I have is that I can not Remember my pin code and have had to change my car battery hence locking myself out of my head unit. When the KDC-BT565U is displaying unexpected behavior with buttons or radio functions, you can perform a hard reset to revert the radio back to its original state. If the unit fails to operate properly, press the Reset button. 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