To create this article, 9 people, some anonymous, worked to edit and improve it over time. If you get an override code that starts with 0, you drop the 0 when entering the code into your radio. Hold down the Radio Presets 2 and 3 buttons for six seconds 3. The call will give you a 3 or 4 digit override code. I would instead take that number to a Chevy dealer. I will not go any further try unless i know the right code, it might lock forever, i cant use ut any more. That code when entered to unlock the radio does not work.
Then, the car radio became locked out. Press buttons 2 and 3 for 8-10 seconds. They fixed an exhaust leak, new plugs 30,000 , new key and rotated tires. This should be as simple as removing the cables from your battery terminals and freeing the battery with your hands. If this is the case, just start over at step 1. Try this, it worked for my 1998 Sunfire and a 1975 Monte Carlo.
My next step is to desolder this chip and try installing it tomorrow. I will Highly recommend your site. If this happens when ever the battery is replaced, is there a problem with the radio? In any event, while cleaning out my garage recently, I found it and it seems like such a waste to have it just sitting here. I read your post on Automotive Forums regarding the eprom removal. Except, it has no volume and wont play. You can go to a Chevrolet dealership to have your radio unlocked, but some dealers can charge high fees to unlock the radio.
Your radio will display a second three digit code. I'm going to tell my job that if they don't fix it then I'm turning in my 2 weeks notice. I can't be expected to spend 8 hours a day in a van with nothing but complete silence. I grounded out the class 2 with my multimeter and watched the voltage signals, when the car goes on, it spikes to 3V for a second and then keeps transmitting its serial data that shows up in varying voltages bouncing around from. I will be sure to pass your website along whenever possible. Can anyone help with the unlock code? What are you guys talking about. Perricone I have a similar story.
I said screw it and bought a new radio and tried to replace the factory one but it didn't work and now the factory radio is fried. By the way, what is this service ceter you sent yours to? Hi Guys, On Friday I replaced my battery, I forgot about the theftlock on my stereo. My next step is to desolder this chip and try installing it tomorrow. I first doubted myself and stopped by the Chevy dealer. I believe this was for identity protection purposes on Delphi's part, however, instead of hiding the chip, they made it stick out like a sore thumb.
Write it down as well. Pin Outs are as follows for the 24 pin plug. Is there anyother way out? Call 1 800 537 5140 08. Date Published: 2002-05-26 Submitter's Name: Ioannis Hadjiioannou Email Address: hex29a hotmail. The display will show -- -- --, indicating that the radio is no longer secured. The owners manual does not tell you how to enter the code even if you had it.
Try this, it worked for my 1998 Sunfire and a 1975 Monte Carlo. I'd really like to avoid dealing with the stealership if I can. Other people have said it's also by the tire jack but I haven't looked there. I just replaced the battery today in my 2000 honda accord. ~FordX Hi, my name is Peggy and I was wondering if you could help me with a little problem. This could save people a lot of time and money. The radio will retain all of the information and we won't see any calibration signals.
Date Published: 2002-05-26 Submitter's Name: Ioannis Hadjiioannou Email Address: hex29a hotmail. If you don't have the radio reset code numbers and your radio still works, is there a procedure to follow with the working radio go give you that number before it goes out? Listen to the four-digit number and write it down. This should reset your stereo. I'm going to keep my eyes open for another deck to try again. This is the original radio. Thank you very much in advance. Continue with the following steps to deactivate the theft deterrent.
Write the second code down. Your radio code will not change and having it handy will save from going from the radio code retrieval process again. General Motors radio unlock codes Since 1998, many company's in the automotive industry have relied on our radio unlock code service to get their customers up and running! Finally I disconnected the battery waited a few moments and re-connected. There will… I've been trying to figure out the same thing. Read on to Step 3 to learn how.