Question about 1999 Chevrolet Silverado 2500

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GM truck 2500 6.0 motor radio locked bought second hand battery went down radio locked

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You may have to take your truck to your mechanic and have them reset the computer. If this is the stock radio, it may be backed by the vehicles computer.

Posted on Nov 12, 2011

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Posted on Jan 02, 2017

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Radio theftlock


hi there. the radio code is obtained by your GM dealer. if you turn ignition on for one hour and not shut of power to radio. it will let you out of the "nop" mode..this has locked you out to obtain your security code....after the system "releases"...ress and hold the #2 and #3 buttons on the radio at same tim...this will give you a 3 digit code..write those digits down, then press am/fm..it will then give you a second 3 digit code. call your local gm service department and advise them of your 6 digit code and they can call GM for your unlcock code...have fun!

Aug 03, 2010 | 1989 Chevrolet C/K 3500

2 Answers

I replaced mt battery on my 2004 jaguar x-type and the radio is locked i bought the car second hand so i dnt know the radio code and the factory code isnt working. what can i do


Simple contact you local Jag dealership and ask them, they will need the VIN No and there is a small charge (about £8). Then follow the instructions on http://www.bluejag.co.uk to enter code.

Jul 22, 2010 | 2004 Jaguar X-Type

2 Answers

After changing the battery I lost the radio code and I don't know the number as I bought the Jaguar second hand


i have a 2004 jaguar x-type and i replaced my battery and the radio is locked and i dont know the code. i bout the car second hand and the code that the dealership has isnt working. what can i do to get the radio unlocked?

May 03, 2010 | 2004 Jaguar X-Type

1 Answer

How do i unlock my 01 gmc factory radio ????


How to Reset GM Theft lock Radio's

Article Disclaimer: This article is meant to be used by Delco Radio owners to reset there radios. In no way is it meant to be used for any unethical or unlawful ways.

Purpose

The following instructions will allow you to reset any GM (General Motors), Cadillac, Oldsmobile, Buick, Pontiac theft lock radio.

Requirements

The theft lock radio must be in "LOC" mode.

Procedure:

1. Turn the ignition ON (The radio should display "LOC")

2. Hold down the Radio Presets 2 and 3 buttons for six seconds

3. The radio display changes from LOC to a three-digit number. Write this number down. You now have fifteen seconds to complete the next step.

4. Press the AM/FM button

5. The radio display changes to another three-digit number. Write this number to the right of the first one.

6. You now have a six-digit number, the first three digits are from STEP 03 and the last three digits are form STEP 05

7. Call 1-800-537-5140

8. Press 1 then # (pound). You'll hear "Invalid Code, try again"

9. Press 139010 or 106010 or 206010 or 202107 then # (pound). "it's really *<star>lol"
You will be asked to enter your four or six digit code followed by *

10. Enter the number from STEP 6 then *

11. Listen to the four-digit number and write it down. It will be repeated twice

12. Turn the ignition ON (The radio displays LOC)

13. Use the MN and HR buttons to enter the code from STEP 11

14. Press the AM/FM button. The radio display changes to "SEC". Your radio is now "un-locked" and usable.

Dealership Codes

* 139010
* 106010
* 206010
* 202107

Troubleshooting

If you fail to enter the correct code eight times, the radio goes into INOP mode. You have to wait an hour with the ignition on before the radio returns to LOC mode.

Mar 07, 2010 | 2004 GMC Sierra 2500

1 Answer

RADIO IS LOCKED


You just need to go to a dealer, as long as its the original radio that was fitted in the car they will charge you £10 to fix it.

Apr 14, 2009 | 2000 Ford Focus

1 Answer

1998 cad alarm no start


Your GM product has a safety alarm, it shuts down the radio , or locks it.
I send ours to a GM dealer to get it unlocked. They don't give those codes out.

Jan 15, 2009 | 1998 Cadillac DeVille

3 Answers

Radio Unlock Code


if you bought the car new then there should be writen in the manual the code for the theft lock system on the radio. if pre-owned then it might ,might not be in there. or if you dont have one at all. go to your nearest GM dealer and have them fix it by finding the code. make sure to have them write it down for you incase this happens again.

Jun 24, 2008 | 1997 Oldsmobile Cutlass Supreme

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