Q&A for How to Unlock Your Locked GM Theftlock Radio

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Question

Will the code work with an RDS-type radio?

Community Answer

No, the RDS radios are programmed to read the vehicle's VIN from the BCM (Body Control Module). If it is moved to a different vehicle or a different BCM is installed, it will "see" a different VIN and lock. It will have to be reprogrammed to the new vehicle's VIN using a Tech II programmer. BCMs can only be programmed one time, and should not be moved from vehicle to vehicle. Not too many places other than GM dealers have the Tech II programmers.

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Question

I am not installing a radio in another vehicle, but in a boat. Will I still need to unlock the radio?

Community Answer

No. It will work normally, just like when the radio is unlocked until the vehicle is cranked. It won't lock because it's not looking at the VIN of the vehicle.

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Question

How do I unlock my radio if I changed from my own 2005 GM to a friend's 2005 GM before scrapping?

Community Answer

The dealer can reprogram it for a fee, generally around $50.00.

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Question

Will these instructions work if I have had my factory system replaced with another factory system of the year?

Community Answer

Yes, these answers should still work as it is the exact same part that should have been set up in the exact same manner.

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Question

If my factory radio is locked, can I replace it with a CD player and have music?

Community Answer

Yes, you could.

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Question

How do I unlock my GM Theftlock radio if none of my combinations are working?

Community Answer

You have to go to the dealership or find someone with a computer scanner with the GM/Chevy codes. It will be tied into your VIN #, and if you put a used one in, it will be keyed to the old VIN # on the other vehicle. It won't work if it has been used in another car and will say LOCKED. It will have to be reprogrammed.

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Question

What do I do if the GM hotline phone number doesn't work when trying to unlock my GM Theftlock radio?

Community Answer

GM discontinued this 800 number. You'll have to have a mechanic do it for you.

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