Question about Jensen JER-422 Universal Remote Control

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Radio code I bought a salvaged radio for my 2002 pontiac montana and now it says locked! Anyway to unlock it?

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  • poppa ed May 10, 2008

    1999 bonneville ssi e stock delco radio with bose sound system.

    error code 20?

  • Anonymous Apr 01, 2009

    Same thing on a 97 Grand Am. Went in for repairs and came out locked. Help?


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I have a 97 camaro and it wont jumpstart what can be the problem. The lights and radio still comes on.

Posted on Jul 29, 2008

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Found this on another site.

General Motors coded THEFTLOCK® radios have a backup unlocking code that can be accessed by a General Motors dealer or a Delco® radio repair center if the owner programmed security code is not available. Honda, Acura and Audi anti-theft radios are examples that will require radio removal to access the radio serial number that a dealer needs to obtain the factory security code. Sometimes the original dealer for a vehicle may keep records of the radio security code for factory-coded radios.

Sounds like you may have to remove the stereo so you can see the code on the back.

Then I would take it to a local dealer and prove its yours and give them the serial number.

They should be able to decipher it for you.

Posted on May 03, 2008

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