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Anonymous Posted on Jun 25, 2012

2004 GRAND PRIX RADIO THEFTLOCK REMOVE

HOW TO DEACTIVAT RADIO FROM THEFTLOCK SATE.. OR HOW TO REMOVE THEFTLOCK COMPLETELY FROM MY CD RADIO PLAYER.. 2004 PONTIAC GRAND PRIX 3.4 LTR GT2 SEDAN VIN# 2G2WS522841149934 Theftlock(R) Radio Anti-Theft System

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Marvin

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  • Cars & Trucks Master 85,242 Answers
  • Posted on Jun 25, 2012
Marvin
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You need to enter the unique code for your radio that was given to the orig owner. If you do not have that you will need to see the GM dealer.

5 Related Answers

Anonymous

  • 15 Answers
  • Posted on Mar 12, 2009

SOURCE: Anti-theft code 1995 Pontiac Grand Prix

DO a google search for Radio lock codes with you make model vehicle,, for 7$ you can get it,,here is what I found for a 2000 gp..
1. Press and hold presets 2 and 3 for about 7 seconds until you get 3 digits on your display. This is the first 3 digits you will need, so write them down.

2. Press the AM/FM button to get the last 3 of the 6 numbers you will need. You only have 5 seconds to do this. If you wait too long before pressing the AM/FM button, the display will go back to LOC. If this is the case, just start over at step 1.

3. Call 1-800-537-5140, press 2 for Pontiac, press 620529 and hit the # key. The computerized voice will ask you for your 6 digit code you have written down. Enter that and press the * key. He will then give you your unlock code, and the option to get additional codes. The first one worked for me so do not worry about the additional ones.

4. Set the code into your radio by pressing the hour set button on your radio until it corresponds with the first 2 digits of your code, then press the minute set button until the last 2 digits of your code are entered. Immediately press the AM/FM button once the correct code is entered and the code SEC or "secured" will be displayed. This part of the procedure is outlined in your owners manual.

5. If you want, you can change your code so you will not forget it, or get rid of the theftlock all together. These procedures are outlined in your owners manual, read it if you would like to change these values.

6. turn on the power to your radio and enjoy.


Hints:

- The first 3 and the last 3 digits were the same on my radio. (for example first 3 were 123 and last 3 were 123) First I thought I was doing something wrong when the display wasn't changing, but I wasn't. Just to let you know it is a possibility.

- The dealer code 620529 is an actual dealer. If GM finds out that this code was leaked to the public, they will remove it from their system. If the dealer code does not work when you phone the 1-800 number, you can search for a new dealer code on the internet somewhere. If this does happen, PM me and I will try to find one that works for you.

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Shannon L Washam

  • 169 Answers
  • Posted on Sep 25, 2009

SOURCE: charging system failure

Hello! The problem you are experiencing is most likely due to a fautly or malfunctioning alternator. You can take the car to any major auto parts store, and they can do a FREE charging system test which will tell you if your alternator is operating (and charging the battery) properly, as well as if your battery is accepting the incoming charge from the alternator.

Hope this helps and good luck!

Anonymous

  • 1 Answer
  • Posted on Jun 21, 2009

SOURCE: 1996 Pontiac Grand AM V6 Anti-Theft Activated

this is easy fix i had same thing happen when you start your car and it dies don't touch your key for no less than 11 min then turn it to off for no less than 30 sec the book says you might have to repeat this 4 times it worked the first time for me

Anonymous

  • 21 Answers
  • Posted on Apr 20, 2009

SOURCE: i want to install a

Under the steering wheel by your feet, remove the 2 screws that hold the panel up. Carefully remove that, then just take your hands and start popping the dash off, but be CAREFUL! 

Anonymous

  • 117 Answers
  • Posted on Jul 08, 2009

SOURCE: anti theft lock on pontiac grand am need code!!

on most hondas you have to pull the radio and get the code of the back then call the dealer, however I am pretty sure on that car you just write down the vin number and call the dealer I emphasize on call so they dont charge you

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The wires will be the same. The problem is that the radio you bought may have theftlock on it. ( it would be printed on the front). If so you don't have the code for it. there is a slight chance that it will work, probably 1 in a 100. If it doesn't and the display reads LOC not LOCK, then you can take it to a dealer and they can recode it for you. Costs about 50 dollars here. Indy
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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.
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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
two scenarios able to cause this condition are:

  • A radio is installed from another vehicle.
  • A module which communicates on the class 2 serial data circuit which supplies VIN information to the radio is replaced and not properly setup with the correct VIN information for that vehicle.


SOURCE: MITCHELL1
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