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Troy

By Troy

How to change VIN & PIN in GM ECM/ECU Modules Using The DPS Tool

As they say, never give up. Whenever you face a brick wall, frustrated with nowhere to turn, eat some food, get some rest, and then tread on some more. The ECM VIN and PIN change via DPS have had me baffled for some time. Today I had another go at it, and after drinking seven cans of Redbull and a lot of thinking, I solved the puzzle/hack.

Changing the VIN and PIN in a used secondhand GM ECM module is very important for those who want to recycle GM ECM modules. With this solution, you can achieve just that. At this moment, it only works for 2-Byte seed ECM modules. I have some 5-Byte ECM coming from the USA. Hopefully, I'll figure out the 5-byte ECM VIN change with DPS when they arrive.

 

Watch the video below to see how quickly you can change the VIN in the ECM.

 

ECM VIN Change for Malibu, Insignia, and Buick Regal.

 

 

ECM PIN Change for Malibu, Insignia, and Buick Regal.

 

ECM VIN Change File Service

 

ECM PIN Change File Service

 



    •
    • Like 1

    User Feedback

    Recommended Comments

    DSLBURB Enthusiast

    +DSLBURB

    +Contributor
    • Contributor

    Great video Troy as always… your tutorial mentions PIN too… does the calibration you’re loading just do away with pin change b/c I didn’t see anything extra for pin changing? 

  • Quote
    • Troy Grand Master

    Troy

    Administrator

    GM Car Hacking Expert

    10 hours ago, DSLBURB said:

    Great video Troy as always… your tutorial mentions PIN too… does the calibration you’re loading just do away with pin change b/c I didn’t see anything extra for pin changing? 

     

    Hi, thanks. The ECM PIN change process is different from the ECM VIN change process. In the past it was possible to change the VIN and PIN in the other modules except for the ECM via DPS.

    You can find more info on the PIN change process for the modules in the video and link below. The PIN change process for the ECM is the same as the other modules, just different DPS codes for the ECM.

     

    https://cameraloops.ru/uploads/videos/gm_pin_code_change.mp4

     

  • Quote
    • warriorpluto Rising Star

    +warriorpluto

    +Purchaser

    This will be great. So 5 byte is only for USA? I have an 2014 Malibu I'm working on for a friend and we're trying to program a used pcm through techline connect and I just found out it's blocked by gm now. I used to be able to program used pcm a while back. Also the techline connect software is total shit man. Everytime they update it breaks the program bad. Currently I'm sitting inside the car and can't even get the program to start because it says it's missing updates and it refuses to download them. I'm just tired of gm with this stupid stuff. They can't even get their programming tools correct. I'll have to tell my friend to order a program ecm. I wish I would've seen this before paying gm for a subscription I can't use. Just want to clarify if this works for USA Malibu or just UK?

  • Quote
    • Troy Grand Master

    Troy

    Administrator

    GM Car Hacking Expert

    3 hours ago, warriorpluto said:

    This will be great. So 5 byte is only for USA? I have an 2014 Malibu I'm working on for a friend and we're trying to program a used pcm through techline connect and I just found out it's blocked by gm now. I used to be able to program used pcm a while back. Also the techline connect software is total shit man. Everytime they update it breaks the program bad. Currently I'm sitting inside the car and can't even get the program to start because it says it's missing updates and it refuses to download them. I'm just tired of gm with this stupid stuff. They can't even get their programming tools correct. I'll have to tell my friend to order a program ecm. I wish I would've seen this before paying gm for a subscription I can't use. Just want to clarify if this works for USA Malibu or just UK?

     

    It works on both the USA and UK Malibu. At the moment, it only works for 2-Byte seed ECM, and not for 5-Byte ECM. I find when TLC has issues, I use the control panel to uninstall all the GM and bosh applications and then reinstall TLC.

  • Quote
    • med458 Enthusiast

    +med458

    +Contributor
    • Contributor

    excellent work, it must be a huge thrill to unravel a hard puzzle like this after some time.

  • Quote
    • Thanks 1
    warriorpluto Rising Star

    +warriorpluto

    +Purchaser
    On 3/24/2023 at 11:01 AM, Troy said:

     

    It works on both the USA and UK Malibu. At the moment, it only works for 2-Byte seed ECM, and not for 5-Byte ECM. I find when TLC has issues, I use the control panel to uninstall all the GM and bosh applications and then reinstall TLC.

    ok ill give your files a go very soon to try out. but man everytime that tlc program updates it breaks something. this on on the latest windows 10 with only tlc installed and nothing else. i was fooling with it in the heat and fighting mosquitos and weird bugs outside. i had gave up because i love to give my children time everyday and just told my friend to order a programmed pcm. he just wantes the car to be able to move since someone stole his pcm. i had gm to refund me my money for wasted time. im always programming malibus so ill be purchasing from you very soon.

  • Quote
    • Thumbs Up 1
    med458 Enthusiast

    +med458

    +Contributor
    • Contributor
    On 3/27/2023 at 6:00 PM, warriorpluto said:

    ok ill give your files a go very soon to try out. but man everytime that tlc program updates it breaks something. this on on the latest windows 10 with only tlc installed and nothing else. i was fooling with it in the heat and fighting mosquitos and weird bugs outside. i had gave up because i love to give my children time everyday and just told my friend to order a programmed pcm. he just wantes the car to be able to move since someone stole his pcm. i had gm to refund me my money for wasted time. im always programming malibus so ill be purchasing from you very soon.

    who steals a dudes pcm, what a stinker!!!

  • Quote
    • Troy Grand Master

    Troy

    Administrator

    GM Car Hacking Expert

    Yep, here in England, in a place called Birmingham, a lot of people are getting their car bonnets and front bumpers stolen. One lady went to a concert, and on returning, her car bonnet and bumper were gone. It's kind of weird what's going on. They blame it on the Corona virus🙂

  • Quote
    • WWEILER Explorer

    +WWEILER

    +Contributor
    • Contributor

    I need help changing the vin in a 18 silverado ECM got the cali file installed but sps wont change the Vin

  • Quote
    • A61bk Enthusiast

    +A61bk

    +Contributor
    • Contributor

    @Troy hi Can I change the vin number for ECM Unlocking e90 2020 gmc sierra ?
     

  • Quote
    • Troy Grand Master

    Troy

    Administrator

    GM Car Hacking Expert

    45 minutes ago, A61bk said:

    @Troy hi Can I change the vin number for ECM Unlocking e90 2020 gmc sierra ?
     

     

    No not possible with DPS.

  • Quote
    • A61bk Enthusiast

    +A61bk

    +Contributor
    • Contributor
    45 minutes ago, Troy said:

     

    No not possible with DPS.

     

    46 minutes ago, Troy said:

     

    No not possible with DPS.

    @Troy thanks. Is there any software you have that can do this?

  • Quote
    • Troy Grand Master

    Troy

    Administrator

    GM Car Hacking Expert

    28 minutes ago, A61bk said:

     

    @Troy thanks. Is there any software you have that can do this?

     

    No, I don't have a solution.

  • Quote
    • Like 1
    Al Buen Apprentice

    +Al Buen

    +Purchaser

    I have a 2016 GMC Sierra E86b ecm 2byte.  Is it possible to change ecm pin? I have truck pin and I have donor ecm pin as well. 

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