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Can anyone explain why my clarion vx402ais asking for a password after the battery was disconnected

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I presume it is a car radio? If it is, you will need the anti theft code. If the radio is factory fitted, it should be in the handbook or your car dealer will be able to get it for you.
It is stored in an Eeprom, not using a Cmos battery as someone suggested.

Posted on Dec 25, 2013

  • Rick Franklin Dec 25, 2013

    No it was not factory fitted it was purchased about 4months ago

  • JonSnell Electronic
    JonSnell Electronic Dec 25, 2013

    That's a shame, have youno record of the code? It may be 1234

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Clarion nx501 with hino and password


i hAVE the same exact issue and the 4 digit password to unlock it is the last 4 numbers the HINO trucks V.I.N... they say u only get 3 tries and it locks it and the only way to unlock it is to contact clarion... lick my balls clarion the default password is 0000 and u get 3 tries but just disconnect the power and reconnect the power and BAM... you will be asked to enter a security code all over again...0000 that is your unlock code.

as for the start- up HINO screen... good luck. its called a splash screen and you would have to hack clarions firmware in order to do so and i suppose if you were able to locate the internal hard drive but even then. clarion invested billions to protect their operation systems in their devices. i think the image is burned into the chip where the head unit was sent from a hino dealer brand new in a box directly to clarion's I.T. to have changed cause it comes factory as a clarion boot screen.

you will also notice that the hint clarion nx501 wiring harness is altered so to make work in that truck that only comes with two front speakers.... the rear speaker leads are nowhere to be found; GONE like a new brides panties!.. you also won't have any rya leads ect.. gay gay situation and if u figure out the splash screen change let me know.

peace.
S.D

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1 Answer

Anyone help? my peugeot 206 clarion radio is locked. CL041010200761


When you disconnect your battery and then reconnect it again, it disables the radio. This is an anti-theft protection for your car radio.
The enable your radio the activation code is in your vehicle owner's manual. If you do not have this code you need to go to your Peugeot service centre and get them to enter this code for you.

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Disconnect the battery and wait about an hour, reconnect battery and try again. If this does not work take it to the dealer.

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i forgot my password to unlock my radio after it was disconnected model# VX 400 Clarion

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I just installed a clarion vx409 and i set a password, i had to disconnect the battery and it asked for a password and it didnt work... now my system is locked and i need to unlock it can you help me


Yes I just had my problem solved today it is actually in your manual. But I will just give it 2 you the password I was giving 4356. This will reset it back to 0000 password. I hope I was able to help a lot people with the same problem. :)

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1 Answer

MY CAR RADIO IS LOCKED AFTER DISCONNECTING THE BATTERY. IT IS A CLARION PU-2325A(B) SERIAL NUMBER CL0410Z0180148. HAS ANYONE GOT THE RADIO SECURITY CODE


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Your radio is made by CLARION and the only CLARION code available for free (using a serial number ) from anywhere on the Internet is if your radio also has a BARCODE SERIAL NUMBER beginning with C7000000 + + + + on a label somewhere on the metal casing.


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No wires are touching each other on door, harness etc.? disconnect each speaker from the harness one at a time, then use a 9v battery to test the speakers, if you get a feedback from speakers then they're good and wired properly. This should't be too hard. tell me where it goes from there...

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the password is on the CMOS, best thing to do is open it up, find the CMOS battery and disconnect it for a few minutes.

hope this helps
thanks for the rating

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