Question about 2000 GMC Safari

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I need a theftlock code to unblock it!

I forgot my code and lost my manual. my delear has closed his company and my stereo is in theftlock. i need my 4 digit code.
My van is a GMC Safari 2000.

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Try 0000 first and if that does not work, go to www.radio-code.com they should be able to get your radio working again. Good luck and let me if this helped.

Posted on Jun 29, 2009

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1997 cadillac deville theftlock activated bose stereo


There should be a code in your manual in the section about the radio, or in the section about electrical maintenance. This lockout is triggered every time the battery is disconnected.

Feb 28, 2011 | 1997 Cadillac DeVille

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Locked car radio


The stereo has "TheftLock". If the power is disconnected from the stereo, it will not turn back on without first inputting the four digit security code. This renders the stereo useless if someone steals it from your car. If you've never set a code, the factory default code will be listed in the owner's manual. If you do not have one, call your local dealer for the default code.
www.DelcoLockCode.com will get you your unlock code for you. It's only $5 so it's better than going to the dealership.

Nov 09, 2010 | 1998 Chevrolet Monte Carlo

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I have a pontiac 2004 van i need to unlock the radio


Your '04 is too new to unlock on your own.

There are 2 types of GM Theftlock, Theftlock I and Theftlock II. The Theftlock I is found in pre 2000 vehicles, and Theftlock II is in the later models.


Theftlock I - Uses a volatile user settable code that is input through the key pad on the front of the Radio. If the power is lost (dead battery etc.) the code is gone and must be re-entered for the radio to work. But with the correct procedure the owner can unlock it.

Theftlock II - Uses an EPROM (erasable/programmable read only memory) or a PROM (the difference is you can not alter the prom once it is programmed).

In either case the code is burned in and holds even when the power is lost. With Theftlock II the radio is married to the vehicle by way of the VIN. When the vehicle is started the computer compares the number in the radio with the VIN in the body control module. If they match, the radio works, if not the radio displays LOC and you are finished, there is no easy way around it. The radio will not work until you make a trip to the dealer.


The dealer will use a TECH 2 scanner to change the VIN stored in the radio. The radio does not need to be removed (for the serial number or any other nonsense). The technician just plugs into the computer and resets the VIN in the radio.

Thank you for using fixya, you can try removing the fuse to your radio for 5 min and reconnect it. This will reset the radio back to default and re-read the Vin number to the PCM to match with the radio. At most time this will get your radio working again and all you have to do is to re program the pre-set and clock.

Aug 06, 2010 | 2004 Pontiac Montana

1 Answer

Unlock radio need code to lock radio mufflerman08@yahoo.com


Your '02 is too new to unlock on your own.

There are 2 types of GM Theftlock, Theftlock I and Theftlock II. The Theftlock I is found in pre 2000 vehicles, and Theftlock II is in the later models.


Theftlock I - Uses a volatile user settable code that is input through the key pad on the front of the Radio. If the power is lost (dead battery etc.) the code is gone and must be re-entered for the radio to work. But with the correct procedure the owner can unlock it.

Theftlock II - Uses an EPROM (erasable/programmable read only memory) or a PROM (the difference is you can not alter the prom once it is programmed).

In either case the code is burned in and holds even when the power is lost. With Theftlock II the radio is married to the vehicle by way of the VIN. When the vehicle is started the computer compares the number in the radio with the VIN in the body control module. If they match, the radio works, if not the radio displays LOC and you are finished, there is no easy way around it. The radio will not work until you make a trip to the dealer.


The dealer will use a TECH 2 scanner to change the VIN stored in the radio. The radio does not need to be removed (for the serial number or any other nonsense). The technician just plugs into the computer and resets the VIN in the radio.

Thank you for using Fixya and you may want to try pulling the fuse to your radio for 2 min and then reinstalling it. This may reset your radio and have the ECM recognize the radio matching VIN number to the Trailbalzer.

Jul 15, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

I need a radio code to unlock gm part 10356164


Your '05 is too new to unlock on your own.

There are 2 types of GM Theftlock, Theftlock I and Theftlock II. The Theftlock I is found in pre 2000 vehicles, and Theftlock II is in the later models.


Theftlock I - Uses a volatile user settable code that is input through the key pad on the front of the Radio. If the power is lost (dead battery etc.) the code is gone and must be re-entered for the radio to work. But with the correct procedure the owner can unlock it.

Theftlock II - Uses an EPROM (erasable/programmable read only memory) or a PROM (the difference is you can not alter the prom once it is programmed).

In either case the code is burned in and holds even when the power is lost. With Theftlock II the radio is married to the vehicle by way of the VIN. When the vehicle is started the computer compares the number in the radio with the VIN in the body control module. If they match, the radio works, if not the radio displays LOC and you are finished, there is no easy way around it. The radio will not work until you make a trip to the dealer.

The dealer will use a TECH 2 scanner to change the VIN stored in the radio. The radio does not need to be removed (for the serial number or any other nonsense). The technician just plugs into the computer and resets the VIN in the radio.

Thank you for using fixya and keep us posted.

Jul 10, 2010 | 2005 GMC Yukon

1 Answer

Need theftlock code for stereo deck, showing locked on the radio.


if you have the owners manual it should be listed in it.

Oct 09, 2009 | 2002 Pontiac Sunfire

1 Answer

Hello, I had to change the battery in my '95 Oldsmobile Cutlass Supreme not realizing there is the Theftlock system to disable it. I have no idea how to disable the Theftlock system. The display now reads...


There is a factory set code that you will need the dealer to pull and call the radio companies help line to get the unlock code all the dealers in my area do this free for GM customers.

Oct 04, 2009 | 1995 Oldsmobile Cutlass Supreme

2 Answers

GM Delco Radio unlock code


There are 2 types of GM Theftlock, Theftlock I and Theftlock II.


The Theftlock I is found in pre 2000 vehicles and Theftlock II is

in the latter models.


Theftlock I - Uses a volatile code that is input through the key

pad on the front of the Radio. If the power is lost (dead battery

etc.) the code is gone and must be re-entered for the radio to

work.


If you do not have the code, you can get it by phone, email, etc.

but you will need the 6 digit Radio ID number.


To get that, just turn on the ignition and hold down the 2-3 keys

(sometimes 1-4) and the first 3 digits will appear in the display.

Then hold down the AM/FM button and the last 3 digits will

show up.


With this number you can get the unlock code. This code is

available all over the place for less then $10.00. Just search

on theftlock. Use the HR and MIN buttons to enter the code

and you are in business.


This may sound a bit complicated at first but you can do it

in less then a minute with a little practice.


Theftlock II - Uses an EPROM (erasable/programmable

read only memory) or a PROM (the difference is you can

not alter the prom once it is programmed). In either case

the code is burned in and holds even when the power is lost.


With Theftlock II the radio is married to the vehicle by way

of the VIN. When the vehicle is started the computer

compares the number in the radio with the VIN. If they

match, the radio works, if not the radio displays LOC and

you are finished, there is no easy way around it. The radio

will not work until you make a trip to the dealer.


If the radio has an EPROM the dealer will use something called

a TECH 2 DEVICE to change the VIN stored in the Radio.

The Radio does not need to be removed (for the serial

number or any other nonsense). The technician just plugs

into the computer and resets the VIN in the radio. It can

be done (if you know how) in less then 15 minutes.

I checked around and the going rate is about $60.00

(none of the dealers I contacted would do it for free).

That works out to $240.00 per hour, but still much

cheaper then a new GM Radio.


If the radio has a PROM then the chip must be changed

and that seems to be factory only, in other words a new

radio! The good news is, only a very few of the high end

GM vehicles are equipped with a PROM so it is highly

unlikely that your radio has this anti theft feature.


Good Luck!

Sep 19, 2009 | 2000 Chevrolet Astro

1 Answer

Locked stereo in 1995 Holden Barina


I dont know if holden barina uses the same stereo as a US GM vehicle, but if it is a delco stereo (same as US models) then any gm dealer can retrieve the scrambled code and call their automated system to get the unscrambled unlock code. Just make sure if they do this for you to have them disable the theftlock system. With theftlock disabled a dead battery will not cause you any further problem. Hope this helps.

Nov 23, 2008 | 1998 GMC Blazer

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