Question about 1997 Pontiac Grand Prix

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Theftlock on rdio

I just got a used 1997 grand prix and had to replace the radio. I got a used one . I need to know how I can get the radio to work. The theft lock is on and I have no way to know what code was used to unlock the system. Could you please help me . Thank you, Kathy Heckman

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You have to go to a dealer and have them reset the password for you. I had the same problem with mine and that's the only way to disengage the security feature. They shouldn't charge you for the service as long as you explain to them what the problem is.

Posted on Sep 30, 2008

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Unlock theftlock radio 2008 grand prix


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How do i disable theftlock system battery was removed without turning off first.


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I want to extract my radio code before i remove the old battery and replace it on my 2004 Grand Prix.


The "Theftlock" theft deterrent system is a feature on all base and uplevel radios. There is no need to
program a security code into the radio as in past model years. The theft deterrent system now utilizes
class 2 serial data to determine if the radio is in the appropriate vehicle. Each time the radio receives
the "run" power mode message, it compares the VIN information it has stored to the VIN information
received from a module on the class 2 serial data circuit responsible for transmitting that information.
If a mis-match occurs, the radio display will indicate to the user the radio is locked. Once this takes
place, a DTC will set, the radio will not respond to any button presses and become inoperative. The
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SOURCE: MITCHELL1

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You will have to replace the light bulbs. In order to do this, you'll have to take apart the cluster and radio to get to them. Visit www.oqcgp.net to search for fixes to common grand prix problems

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