Question about 2004 Mazda 6

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Code Err displayed (as if antitheft system kicked in)

Hi,
My BOSE 6-disc cd changer was working fine on Sunday in my 2004 Mazda6 TS2 car. Yesterday however it wanted a code entering, which is odd because the battery has never been disconnected. I entered the correct 4 digit code but it did not work. I did this 3 times and now I get an Err flashing message, which means the antitheft device has kicked in. I disconnected the battery and the aerial for 35mins in the hope it would reset the unit but I still get the Err flashing message. I also checked the fuse (number 34 and this is 15A and was fine).

Do you have any ideas why the code was required when the power was not disconnected? And what I can do next to get the unit working again or has it gone completely faulty and needs to be replaced?

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  • sparkyMR Nov 04, 2008

    OK sweet_rascal but you need to tell me HOW to reset the unit and what do you mean by a hard reset?

    I have already disconnected the car battery which I thought would reset the unit but this has not worked unless of course it needs to be disconnected for more than 35mins?

  • sparkyMR Nov 04, 2008

    OK The solution confirmed what I thought that the cd changer had gone faulty.

    Just need to see how much it is now going to cost to get it repaired.

    Thanks anyway.

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Only the manufacturer of the unit can unlock that. If the code that you have doesn't work, your fate is in the hands of your local area dealer. Good luck! (They can look it up based on your radio head unit serial number.)

Posted on Nov 04, 2008

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Hi'

If you have been entering the correct code, and the unit is not accepting it, there may be a problem with the head unit internally that is causing the problem. Some units use an eeprom memory IC to store security codes. It sounds likely that this has failed in the unit and caused the initial code request and subsequent non acceptance of your code. If it was a factory fitted system. ,best option is to go through a Mazda dealer for repairs. If it was an aftermarket fit, then a Bose agent is the best place to take it.

regards
robotek

Posted on Nov 04, 2008

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Try to reset the unit and then enter the code and check what happens

and then let me know.. try a hard reset first

Posted on Nov 04, 2008

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