GM Theft Lock Radio Unlocking
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Date: 2020-08-05
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Comments and reviews: 10
llAntimatterll
Okay, so for anyone who doesn't have a 700 - 3000 scan tool and has a factory Delco radio that are in all sorts of different GM vehicles, you can call and get the code to unlock it. You don't have to talk to anyone, it's automated, and this all takes 5 minutes to do.
To do that, you need to get the 4 or 6 unlocking digits by hitting the number 2 & 3 preset buttons at the same time (which will show you 2 or 3 digits on the display) and then hit the AM/FM button (gives another 2 or 3 digits. Make sure to write those down and you should now have the 4 or 6 digits you need.
Now, call GM's automated dealer hotline for Delco radios (1-800-537-5140) and input one of the following five dealer codes, followed by the star key, until one of them is accepted - 620529, 139010, 106010, 206053, 202108. When the automated line accepts one of those codes, just enter the codes you got on the stereo screen earlier, followed by the star key, and then the automated line will give you a 4 digit number back.
At this point you just need to enter that code into the stereo. To input the code, use the 'Hr' and 'Min' buttons for the clock. Input the digits from right to left starting with minutes and then hours, and then hit the AM/FM button. Radio should say Sec on the screen, which means 'secure'.
Finally, just hit the power button, and the radio should now be back to functioning like normal. Hope this method helps for those who don't have a good scan tool.
reply
Okay, so for anyone who doesn't have a 700 - 3000 scan tool and has a factory Delco radio that are in all sorts of different GM vehicles, you can call and get the code to unlock it. You don't have to talk to anyone, it's automated, and this all takes 5 minutes to do.
To do that, you need to get the 4 or 6 unlocking digits by hitting the number 2 & 3 preset buttons at the same time (which will show you 2 or 3 digits on the display) and then hit the AM/FM button (gives another 2 or 3 digits. Make sure to write those down and you should now have the 4 or 6 digits you need.
Now, call GM's automated dealer hotline for Delco radios (1-800-537-5140) and input one of the following five dealer codes, followed by the star key, until one of them is accepted - 620529, 139010, 106010, 206053, 202108. When the automated line accepts one of those codes, just enter the codes you got on the stereo screen earlier, followed by the star key, and then the automated line will give you a 4 digit number back.
At this point you just need to enter that code into the stereo. To input the code, use the 'Hr' and 'Min' buttons for the clock. Input the digits from right to left starting with minutes and then hours, and then hit the AM/FM button. Radio should say Sec on the screen, which means 'secure'.
Finally, just hit the power button, and the radio should now be back to functioning like normal. Hope this method helps for those who don't have a good scan tool.
reply
Bige4u
Around 2003 and later, the brand new GM radio eprom chip is blank, once the vehicle is turned on for the first time at the factory, the BCM(body control module) finds the radio, its then programed to the VIN# of the vehicle, therefore locking it to that vehicle only. The data bus connection to the radio verifies the radio at every vehicle startup and allows it to turn on only if the feedback info from the eprom chip is correct. These high dollar scanners, as seen in this video, can actualy reset the eprom chip back to zero VIN, so when the radio gets installed into a different GM vehicle, within a set number of years of course, along with similar radio wiring connections, once again, the BCM comes into play and reprograms the radio for that vehicle.
reply
Around 2003 and later, the brand new GM radio eprom chip is blank, once the vehicle is turned on for the first time at the factory, the BCM(body control module) finds the radio, its then programed to the VIN# of the vehicle, therefore locking it to that vehicle only. The data bus connection to the radio verifies the radio at every vehicle startup and allows it to turn on only if the feedback info from the eprom chip is correct. These high dollar scanners, as seen in this video, can actualy reset the eprom chip back to zero VIN, so when the radio gets installed into a different GM vehicle, within a set number of years of course, along with similar radio wiring connections, once again, the BCM comes into play and reprograms the radio for that vehicle.
reply
John
I couldn't find an independent mechanic who had the Autel software for GM. I did find that for 40 for a one time use, a mechanic with a compatible Autel could do what this guy did. You need to find a mechanic or body shop who will do this. I finally paid the GM dealer 257. 55 (including taxes) for unlocking. That was 75 for diagnosis and 130 for unlocking - plus shop charges and taxes. Good luck finding an independent shop willing to spend the time with this Autel solution.
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I couldn't find an independent mechanic who had the Autel software for GM. I did find that for 40 for a one time use, a mechanic with a compatible Autel could do what this guy did. You need to find a mechanic or body shop who will do this. I finally paid the GM dealer 257. 55 (including taxes) for unlocking. That was 75 for diagnosis and 130 for unlocking - plus shop charges and taxes. Good luck finding an independent shop willing to spend the time with this Autel solution.
reply
Luella
This is all great and good but how does a normal person without that fancy tablet fix their own car because there isn't a SINGLE video on here that showed her how to take the working stock stereo out so she could upgrade to a nice Sony touch screen without locking down the entire stereo setup! I am so frustrated, I even tried reinstalling the stock stereo and it still won't work
reply
This is all great and good but how does a normal person without that fancy tablet fix their own car because there isn't a SINGLE video on here that showed her how to take the working stock stereo out so she could upgrade to a nice Sony touch screen without locking down the entire stereo setup! I am so frustrated, I even tried reinstalling the stock stereo and it still won't work
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Tom
I don't have one of those nice computers you have and after reading some of the results of clearing the lock on a 2007 Cadillac Escalade I'm afraid to take it to a dealer after replacing my radio and CD player. Cadillac on one occasion that I read about bricked the radio and won't take responsibility. Too bad your garage isn't close to where I live.
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I don't have one of those nice computers you have and after reading some of the results of clearing the lock on a 2007 Cadillac Escalade I'm afraid to take it to a dealer after replacing my radio and CD player. Cadillac on one occasion that I read about bricked the radio and won't take responsibility. Too bad your garage isn't close to where I live.
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SerenoOunce
Out of curiosity I tried this w/ a Launch as well. It has a radio section but not a setup option. The Launch does have a few shortcomings but as a backyard mech it was still a good investment though. Alternative is to either pull the lock chip out or if you have a hot air station swapping them should work too to avoid the config error msg.
reply
Out of curiosity I tried this w/ a Launch as well. It has a radio section but not a setup option. The Launch does have a few shortcomings but as a backyard mech it was still a good investment though. Alternative is to either pull the lock chip out or if you have a hot air station swapping them should work too to avoid the config error msg.
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Bert
Somebody answer my question please. When you say unlock a theft radio. Does this mean just the radio or does anti theft radio control the theft of the car that is installed in. Im thinking its just the radio but with all the electronics on vehicles this day and time Im wondering does it mean the vehicle also.
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Somebody answer my question please. When you say unlock a theft radio. Does this mean just the radio or does anti theft radio control the theft of the car that is installed in. Im thinking its just the radio but with all the electronics on vehicles this day and time Im wondering does it mean the vehicle also.
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Mike
A beast is right! A BUTT UGLY CAR! One guy at work had one in puke green that got totaled with him in it. The vehicle's only saving grace is that it saved his life! So, the car isn't that bad after all! It's still ugly! Great Video! I don't know if my Matco MaxMe can do that, but soon I'll try with the KIA.
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A beast is right! A BUTT UGLY CAR! One guy at work had one in puke green that got totaled with him in it. The vehicle's only saving grace is that it saved his life! So, the car isn't that bad after all! It's still ugly! Great Video! I don't know if my Matco MaxMe can do that, but soon I'll try with the KIA.
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qxANGELxp
So I just bought a radio.
I guess my solution is to take it to my local shop next time I get an oil change and just ask them to reprogram it for me. Easy fix, but it would've been better if I could just do the Press 2 & 3 cheat like the older radios could.
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So I just bought a radio.
I guess my solution is to take it to my local shop next time I get an oil change and just ask them to reprogram it for me. Easy fix, but it would've been better if I could just do the Press 2 & 3 cheat like the older radios could.
reply
Sam
The Theft protection system is only meant so that owner can not go cheap and get another unit or an upgrade, off the junk yard for cheap, before paying a hefty price to dealer (The bigger theft) otherwise I assume, every petite thief knows what to do!
reply
The Theft protection system is only meant so that owner can not go cheap and get another unit or an upgrade, off the junk yard for cheap, before paying a hefty price to dealer (The bigger theft) otherwise I assume, every petite thief knows what to do!
reply
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