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Author Topic: Can I read a radio security code?  (Read 18221 times)

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Offline wfdtamar

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Can I read a radio security code?
« on: October 16, 2007, 03:57:33 »
I have a 1998 Holden Vectra 2.2 litre (similar to Vauxhall and Opel). I have replaced the radio/cassette that came with it with a radio/CD player, but now I want to unlock the original unit. The dealer gave me the security code, but the unit had been replaced before I got the car so the code is not for the one I have.

So the question is can my AutoScanner read the security code of the radio? Is it in one of the Eprom dumps?
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Offline Artur

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Re: Can I read a radio security code?
« Reply #1 on: October 16, 2007, 04:07:14 »
What model of R/C do you have?
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Offline wfdtamar

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Re: Can I read a radio security code?
« Reply #2 on: October 16, 2007, 04:14:05 »
Oh yes, I forgot that - it's a Blaupunkt 420 (I think these are standard equipment on Holden Vectras). If I select the CAR300 option it reads it. Is it in there? (the software number?)?
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Offline Artur

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Re: Can I read a radio security code?
« Reply #3 on: October 16, 2007, 05:21:04 »
I had no chance to play with that model 420... But from my personal experinence - the bytes in EEPROM, containing the security code, are protected from reading over diagnostics.
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Offline dilick

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Re: Can I read a radio security code?
« Reply #4 on: July 03, 2009, 11:42:57 »
I found that AutoScanner Opel can read the CDR500 eeprom is that of TMC that contains the security code?
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Offline Artur

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Re: Can I read a radio security code?
« Reply #5 on: July 03, 2009, 11:49:34 »
As far as I know - no.

Can you publish it here to make sure?
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Offline Treig

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Re: Can I read a radio security code?
« Reply #6 on: July 03, 2009, 11:53:02 »
You would be able to read only the part of memory which doesn't content your code.
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Offline iggy21uk

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Re: Can I read a radio security code?
« Reply #7 on: July 03, 2009, 14:04:24 »
This guy give a lot of help on a VX Omega forum I belong to. Holden is listed on his site ?

Might help

http://www.instant-radio-codes.com/
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Offline dilick

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Re: Can I read a radio security code?
« Reply #8 on: September 01, 2009, 11:18:33 »
nice link
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