Question about 2004 Chevrolet Cavalier

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Radio code? i bought a 03 cavalier with no radio. ok no problem went and bought a radio from a junk yard. now it say loc. i guess i need a radio code and the dealership wants like $50 bucks. was wondering if anyone might of had the same problem and new the code? thanks

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The radio has a memory chip which the vehicle identification number is burned into. That is the reson why it does not work. The dealer will have to FLASH the radio's chip and BURN your vehicle identification number into it. That is why they charge you $50 to do it. All GM cars have this theft deterent system in their radios. Most dealerships in my area charges $125 to do this so $50 is a bargain price where you went to

Posted on May 15, 2010

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Bought a car at auction and had no radio so I bought radio at salvage yard not going it needed a code


It's next to impossible to get the code for the radio, and if the junk yard doesn't have it they should refund you.

Feb 22, 2016 | Cars & Trucks

1 Answer

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

I have a 2000 grand prix gtp with a radio cassette...I want a radio cd player. I went to a junk yard and found a 2000 grand prix gt with a radio cd player....I bought it (the radio cd player), can i swap...


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

Sep 08, 2011 | 2000 Pontiac Grand Prix

1 Answer

Radio is locked.need a code for 99 chevy cavalier


need to notify dealer code is part of anti theft system and is a dealer issued number -- call first can advise how to retrieve radio id code which will be needed -also needed proof of ownership and id and dealer can look up code if have manual tells how to retrieve radio id code as well how to enter un-loc code if u tried and failed and radio states sec will need dealer hook up to reset -

Jun 10, 2010 | 1997 Chevrolet Cavalier

1 Answer

How can i unlock the radio code to a chevrolet cavalier 2001


notify dealer for code it is part of vehicles security system --call first they cad advise u how to retrieve the radio id code which is also needed for loc code

Feb 16, 2010 | 2001 Chevrolet Cavalier

3 Answers

I have a 1997 Chevy cavalier Radio LOC. I changed the battery this morning now the radio is LOC. Can you help?


My dealer wants $85 for the code. Another dealer - 2 hrs away - wants $50. This looks more like a GM money-maker than a security feature.

Jan 09, 2010 | 1997 Chevrolet Cavalier

1 Answer

Radio is locked on chevy cavalier


I replaced the radio on a similar car with an identical junk-yard radio/cd player. of course it was locked. I went to the dealership and they were nice enough to plug a hand-held computer under the dash and unlocked it for free. Took about 5 min. Hope this helps.

Jan 26, 2009 | 2005 Chevrolet Cavalier

1 Answer

Hard top wiring


I'm guessing that the top and Jeep are 2 different years.
You need to go to a salvage or junk yard to find the same plug and cut the other one off and splice in the one you buy from the junk yard.

Oct 13, 2008 | 2003 Jeep Wrangler

1 Answer

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


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

Aug 04, 2008 | Chevrolet 1500 Cars & Trucks

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