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Purchased a radio out of junk yard. It is in LOC mode. How do I unlock? Thanks

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Consult a authorized GM radio repair station, use a web search to find one and email them, they can help.

Posted on Aug 04, 2008

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Cd Code need code for am fm / CD /cassett player purchased at junk yard out of a 2000 Suburban and putting it into my 2010 Chevy Colorado which has only basic am / fm radio? How do I get past "locked"...


That is a security "feature" on GM radios to deter theft. The following instructions has had sucess with other GM vehicles. If not, only a dealer has the equipment to get past lock screen.

This works on vettes with theftlock. Try it on the tahoe and let us know....




The following procedure will give you a new code that you can use instead of your personal code. Using this new code, you can "unlock" your radio and then "re-lock" it with a new code if you wish. Prerequisites: The radio must be in LOC mode NOT in INOP mode. Let me explain. If you have activated the Theft-Deterrent feature of your radio and loose power, the radio goes
into LOC (theftlock) mode. With the ignition on, you must use the MN and HR buttons to enter you personal code in order to unlock it (The instructions are on page 3-27 in your Y2K Owner's manual). If you fail to enter the correct code eight (8) times, the radio goes into INOP
mode. You have to wait an hour with the ignition on before the radio returns to LOC mode (go for a long drive somewhere).

Procedure: 01. Turn the ignition ON (The radio displays LOC)

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

03. The radio display changes from LOC to a three-digit number. Write this number down. Don't take forever, fifteen seconds max before the next step.

04. Press the AM/FM button

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

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

07. Call 1 800 537 5140

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

09. Press 139010 then # (pound). You will be asked to enter your four or six digit code followed by * (start)

10. Enter the number from STEP 6 then * (star)

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. The Theft-Deterrent feature is STILL active! If you want to disable it, use the instruction on page 3-27 in your Y2K Owner's manual. Use the code from STEP 11 instead of your personal code. Note: This tip originated from LOTZAHP, Austin TX (credit must be given where credit is due). I verified it on an Y2K C5 with a locked radio - mine.
http://chevroletforum.com/forum/tahoe-suburban-25/help-radio-locked-8220/

Aug 19, 2013 | Chevrolet Cars & Trucks

1 Answer

2002 pontiac grand was purchased with no radio inside brought a factory radio from a junk yard put it in and it says locked do anyone have the unlock code


The dealer does. They have to call to get the code and disarm it before they can get in. Junk yard should have told you this. Costs about $50.00

Jun 28, 2011 | 2002 Pontiac Grand Am

1 Answer

I need the unlock code for a 2001 Chevrolet Blazer S10 CD Radio player. This was purchased at a junk yard after my radio was stolen.


need to notify dealer show receipt for radio and have serial number and if able radio id code and owner ship of ur vehicle the dealer should be able to retrieve the code but call first they will advise u if u need any thing else

Jul 20, 2010 | 2001 Chevrolet Blazer

1 Answer

2000 GMC Safari, lost power to the vehicle. The radio did disply 'loc' and now displays 'InOP'. Please Help


Hi

Thanks for using FixYa. If you fail to enter the correct code eight (8) times, the radio goes into INOP mode. You have to wait an hour with the ignition on before the radio returns to LOC mode (go for a long drive somewhere).

After that the the radio will go to LOC mode, then follow this procedure to unlock it—

To unlock the car radio - Have a pen and paper ready. Push and hold stereo preset buttons 2 and 3 simultaneously for several seconds. Three digits will appear in the display "XXX", write them down. Push the AM/FM button, three more digits will appear in display "YYY", write them down.

Press 1 then # (pound). You’ll hear “Invalid Code, try again”

Press 139010 then # (pound). You will be asked to enter your four or six digit code followed by * (start)

Enter the six didgit number obtained from above procedure.

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

Turn the ignition ON (The radio displays LOC)

Use the MN and HR buttons to enter the $ digit code that you have heard.

Press the AM/FM button. The radio display changes to SEC. Your radio is now “un-locked” and usable. The Theft-Deterrent feature is STILL active! If you want to disable it, use the instruction in Owner’s manual.


Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks

Rylee

Oct 13, 2009 | 2000 GMC Safari

2 Answers

Radio


You can drive to the dealer and have them help you enter the code since they are alway's connecting and disconnecting battery's, The instructions are in the manual and the codes might be written in the front or back page. If no codes were programed try 0000 and see if that works. IF the dealer wants to charge you a crazy amount, you can get your codes here on www.radio-code.com Good luck and hope this helps.

Jun 03, 2009 | 1993 Chevrolet Astro

1 Answer

Radio stuck on loc


power radio on then hold 2 and 3

May 21, 2009 | 1999 Saturn SL

1 Answer

Radio locked


Take it to the dealer and he'll have it unlocked in no time. I have done it in the past and it was quick enough that they didn't even charge me for it.

Feb 02, 2009 | 2004 GMC Envoy

1 Answer

Radio is in LOC mode


hold 2 and 3 or 1 and 4 depending on the model. Then i t should show three numbers, after u have written these down press the am fm button and wait for 3 more numbers then there is a number you have 2 call to get ur code and u will have to enter ur six digit code and it will give u ur unlock code. one moment and i will try to get the #

Jan 31, 2009 | 1999 Buick Regal

1 Answer

Radio and CD System in LOC mode.


there is a 4 digit security code that is entered by using the hr. and min. buttons. I think the code has to be gotten from GM with the vec. I.D. number.

Dec 09, 2008 | 2000 GMC Jimmy

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