Question about 2007 Chevrolet Cobalt Coupe

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'No Vin' is on display of radio.

My 07 chevy cobalt radio quit working for about 1 week. Nothing would be read on display or power button would not work. We checked all fuses and everything. Now the radio say 'No Vin'. Is this the same thing as LOCKED? Will I have to take to Chevy dealership or can a mechanic do it with the right tools?

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  • Chevrolet Master
  • 14,036 Answers

Dealership has to reset radio code.some times owners manual will help.

Posted on Jul 09, 2013

Testimonial: "Thanks. Owners manual is no help in this case."

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 3 Answers

SOURCE: 2006 chevy cobalt woulnt start lock light is on

Are you using the original key that came with the car? The chip in that key may have gone bad. Try using the spare key that should have come with the purchase of the car. You may also be having battery issues. If all else fails....call the people who really know how to rape you...DUM Dum dummmmm....the dealer

Posted on Dec 31, 2008

BelgianAlien
  • 50 Answers

SOURCE: my 2005 chevy cobalt factory radio is locked

There are only 2 things you can try to fix this yourself: turn off the engine and open the driver side door (to turn the radio off). Wait 5 minutes, start your car.
If that does not solve it, turn off your engine, disconnect the car battery, wait about 5 minutes. Reconnect the battery (negative pole first - black connector) and try your radio again.

If neither one of these two fix your problem, I am afraid only a GM service center or dealership can fix the problem. The Cobalt is notorious for all kinds of electrical issues.

Thanks for using the fixya forums!

Posted on Mar 28, 2009

seans46
  • 161 Answers

SOURCE: I have a 2006 chevy cobalt and the lock lite is on

you will need to do a security relearn.
1.turn key to on position and leave on
2.after 10 minutes the light will flash and go out turn the key on to off 3x then leave on again.
3. do this 3 times for 30 minutes then after 30 minutes your 3rd time and after turning the key 3 times the 4th time start the car. it should start right up.

Posted on Jun 10, 2009

  • 312 Answers

SOURCE: the radio for my 2007 chevy malibu is locked

if you hold the 1 and 4 presets and you get 3 lines like this - - - then that meens there is no code stored so the problem is not in your theftlock but the radio or power to it.

Posted on Dec 27, 2009

  • 1810 Answers

SOURCE: i changed the radio fuse in my 2006 chevy cobalt

was there a reason the radio fuse was blown
like you over loaded the circut with an air pump or charger of some kind or a penny in the lighter ???

Posted on Jan 01, 2010

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1 Answer

How to set the clock on a 2008 chevy cobalt


Setting the Clock (H-clock symbol, O-pwr symbol, f-music note symbol)
Without Date Display
AM/FM Base Radio with a Single CD Player
This type of radio has a
H
button for setting the time.
You can set the time by following these steps:
1. Turn the ignition key to ACC/ACCESSORY or
ON/RUN. Press the
O
knob, located in the
center of the radio, to turn the radio on.
2. Press the
H
button until the hour begins flashing
on the display. Press the button a second time and
the minute begins flashing on the display.
3. While either the hour or the minute numbers are
flashing, turn the
f
knob, located on the upper
right side of the radio, clockwise or counterclockwise
to increase or decrease the time.
4. Press the
H
button again until the clock display
stops flashing to set the currently displayed time;
otherwise, the flashing stops after five seconds and
the current time displayed is automatically set.
To change the time default setting from 12 hour to
24 hour, press the
H
button and then the pushbutton
located under the forward arrow label. Once the
time 12H and 24H are displayed, press the pushbutton
located under the desired option to select the default.
Press the
H
button again to apply the selected default,
or let the screen time out

Dec 27, 2014 | 2008 Chevrolet Cobalt

1 Answer

07 Chevy Cobalt: Radio back-lighting never turns off.


Newer cars come with a switches that delays their shut down of certain lights on the car. Sometime they allow you to get inside your home before the turn off but sometimes the switches malfunction and you light never turns off. I have had this happen on my 2006 vehicle several times in the past. Maybe these kind of switches one day will get a little better. Until then, you can ignore it or pay the big bucks and have a technitian repair it..

Nov 07, 2013 | 2007 Chevrolet Cobalt Coupe

2 Answers

My 2008 chevy uplander , had to change radio (cd player not working) now radio is locked, how can I unlock it?


Try this: How to Unlock a Chevy Radio Step 1: Start the vehicle and turn on the radio.
Step 2: Press and hold preset numbers 2 and 3 until a three digit code appears on the radio display. Write this code down.
Step 3: Press the AM/FM button. Your radio will display a second three digit code. Write the second code down. You will now have a six digit code.
Step 4: Call the Chevy Radio Code phone line at 1-800-537-5140.
Step 4: Enter 106010 followed by the # key to direct you to the radio code retrieval system.
Step 5: Enter the six digit code you retrieved in steps 2 and 3 followed by the * key. They must be in order. You will be given a four digit radio code. Write down the radio code.
Step 6: Start your vehicle and turn on the radio. Using the Minute and Hour buttons, enter in the four digit radio code to your stereo system. Press the AM/FM button to unlock your stereo.
How to Unlock a GM Radio Step 1: Start the vehicle and turn on the radio. The radio will display "LOC" indicating the Theftlock system is activated.
Step 2: Press and hold preset buttons 1 and 4 for ten seconds. (If you don't have a fourth preset button, press and hold presets 2 and 3.) The radio will display a three digit number. Write this number down.
Step 3: Press the AM/FM button. Your radio will display a second three digit code. Write the second code down. You will now have a six digit code.
Step 4: Contact your local GM Dealer and give them the six digit code. They will give you a four digit radio code.
Many dealers will give you your radio code for free, while others may charge a small fee. If your dealer is charging a larger fee, consider calling another dealer or doing a Google search for sites offering GMC Radio codes. They usually charge a small (around $10) fee.
Step 5: Start your vehicle and turn on the radio. Press the Hour button on the radio until the first two number of the code appear. Next, press the Minute button until the last two numbers of the code are displayed. Once all four digits appear, press the AM/FM button to unlock your stereo. The display will read "SEC" indicating you have successfully unlocked your radio and it is fully operational.
If radio display reads "INOP" while the vehicle is on, too many incorrect radio codes have been entered. To remove "INOP" from your display and unlock your radio, you must leave the key in the On position for one hour. Once you've retrieved your radio unlock code, write it down for future use. Your radio code will not change and having it handy will save from going from the radio code retrieval process again.

Dec 10, 2012 | 2008 Chevrolet Uplander

1 Answer

My stereo says locked on my chevy cobalt 2010


see this procedure and fix it. God bless you
    • 1 Start the car and turn on the radio.
    • 2 Press down on preset numbers two and three until a three-digit number displays on the radio. Write this number down.


    • 3 Push the AM/FM button and a new three-digit number will display. Write this number down to the right of the original number, to create a new six-digit number.
    • 4 Call 1-800-537-5140. This is the radio code phone line.
    • 5 Enter 106010, and then press #. This is the Chevy radio dealer code.
    • 6 Type in the six-digit number you had at the end of Step 3, and then press *. The phone line will then give you a four-digit number. Write this down.
    • 7 Use the Minute and Hour buttons on the radio to type in this code, and then press the AM/FM button to unlock the radio.

Oct 13, 2012 | Cars & Trucks

1 Answer

Right front speaker quit working on my 07 chevy cobalt


I suspect someone shut door and knocked wires loose. You can pull the panel and check, also check wires crossing in door jam

Jan 03, 2011 | 2007 Chevrolet Cobalt Coupe

2 Answers

The radio for my 2007 chevy malibu is locked


if you hold the 1 and 4 presets and you get 3 lines like this - - - then that meens there is no code stored so the problem is not in your theftlock but the radio or power to it.

Dec 27, 2009 | 2007 Chevrolet Malibu SS Sedan New Cars

4 Answers

Why does reduce engine power light comes on chevy


That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.

Jul 27, 2009 | 2005 Chevrolet Cobalt

3 Answers

Radio unlock code


GM DELCO THEFTLOCK RADIO UNLOCK CODE:
1. Press and hold presets 2 and 3 for about 5 to 10 seconds until you
get 3 digits on your display. This is the first 3 of 6 digits you will
need, so write 'em down.
2. After doing step one and writing down the code, immediately press
the
AM/FM button to get the last 3 of the 6 numbers you'll need, and write
'em down. (if you wait too long between steps 1 and 2 and the LOC code
displays again, just start over).
3. Call this number, it's a prerecorded message, so don't worry about
having to talk to anyone...1-800-537-5140. The voice will ask if
you're
calling for Chevy, Pontiac, Cadillac, etc... When you here him tell
you
to press "2" for Pontiac, press 206010 and hit the # key. He'll ask
you
for the 6 digit code that you've written down. Enter that and press
the
* key. He will then give you a code, and the option to get additional
4
digit codes, but one should be sufficient.
4. Follow the normal procedure in your owners manual for unlocking the
radio with your new code...press the hour set button on your radio
until
you get the first two numbers of the code, then press the minute set
button until you've entered the last two numbers. Immediately press
the
AM/FM button once the correct code is entered and the code SEC or
"secured" will be displayed on the display screen. Now, just turn the
radio on, and your ready to roll.
There is an additional step you can take to remove all codes from the
radio and start from scratch by entering your own personalized 4 digit
code so that it won't get you in a pickle again! Just repeat step 4
and
you should get a display screen that reads ---. This means the code is
out, and you can now program your own code. Of course, once you
receive
the 4 digit code from the GM recorded message, just keep it in a safe
place, because you can use that same code again and again should you
have any more problems with it in the future. Good luck, and yes, it
does work.

Oct 17, 2008 | 2005 Chevrolet Equinox

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