GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack

GM GDS2 Mega Database - Full Diagnostic Software Update 2025

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GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack
GM GDS2 Mega Database - Full Diagnostic Software Update 2025
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New release thread for GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack: discuss, share feedback, and get help.

GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack Bin

GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack

The complete 2025 dealer diagnostic software package for GM, Opel/Vauxhall, and Saab vehicles.

GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack​

The complete 2025 dealer diagnostic software package for GM, Opel/Vauxhall, and Saab vehicles.

This package contains the Global Diagnostic System 2 (GDS2), which is the official dealership-level diagnostic software for all modern General Motors (GM) vehicles. This is not just the base program, but a "Mega Database Update" that provides the very latest vehicle data for 2025, ensuring compatibility with the newest cars. It is the essential tool for professional diagnostics, service procedures, and troubleshooting for the entire GM family.

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Click to expand...

Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:
  • Overview & screenshots
  • Version history and compatibility
  • Download link and setup notes

👉 View full details and download — GM GDS2 (Global Diagnostic System 2) - Mega Database Update Pack
 
Thank you. work perfectly, but some files and instructions missing. I was able to figure it out. Hope it helps others:
  • Install JRE.exe
  • Install t2winstall.exe
  • From GDS2 UPDATE 2025\JavaBackups\14.0.00000, Install GDS2JavaInstall.exe
  • From GDS2 UPDATE 2025\RuntimeBackups\22.7.01500, Install GDS2Install.exe
  • From GDS2 UPDATE 2025\DataBackups, Copy deliverable_GM Global v2025.03.24.zip to C:\ProgramData\GDS 2\PersistentData\Downloads\DataBackups\ (Note copy and paste the zip archive without extracting)
  • Extract deliverable_GM Global v2025.03.24.zip to your desktop and copy deliverable_GM Global v2025.03.24.xml to C:\ProgramData\GDS 2\PersistentData\Downloads\Deliverables\
  • Copy GDS2JavaInstall.exe from GDS2 UPDATE 2025\JavaBackups to to C:\ProgramData\GDS 2\PersistentData\Downloads\JavaBackups\
  • Copy GDS2Install.exe from GDS2 UPDATE 2025\RuntimeBackups\22.7.01500 to C:\ProgramData\GDS 2\PersistentData\Downloads\RuntimeBackups\
  • Copy GDS2Key.exe from \9.kеуgеn-GDS2Key_pass_fantomel to the Desktop.Run as administrator and generate the lease key. A infiniteLease.dat file will be generated and automatically copied to C:\ProgramData\GM\TIS2WebProxy\.dls\.lreg\
  • Install MDI_Setup.exe
  • From Desktop, start GDS2, Choose English Language, Choose one of the diagnostic packages. Note it will show Global, which includes NA cars, Click on install. GDS will restart and ready for use
 
sroghen said:
Thank you. work perfectly, but some files and instructions missing. I was able to figure it out. Hope it helps others:
  • Install JRE.exe
  • Install t2winstall.exe
  • From GDS2 UPDATE 2025\JavaBackups\14.0.00000, Install GDS2JavaInstall.exe
  • From GDS2 UPDATE 2025\RuntimeBackups\22.7.01500, Install GDS2Install.exe
  • From GDS2 UPDATE 2025\DataBackups, Copy deliverable_GM Global v2025.03.24.zip to C:\ProgramData\GDS 2\PersistentData\Downloads\DataBackups\ (Note copy and paste the zip archive without extracting)
  • Extract deliverable_GM Global v2025.03.24.zip to your desktop and copy deliverable_GM Global v2025.03.24.xml to C:\ProgramData\GDS 2\PersistentData\Downloads\Deliverables\
  • Copy GDS2JavaInstall.exe from GDS2 UPDATE 2025\JavaBackups to to C:\ProgramData\GDS 2\PersistentData\Downloads\JavaBackups\
  • Copy GDS2Install.exe from GDS2 UPDATE 2025\RuntimeBackups\22.7.01500 to C:\ProgramData\GDS 2\PersistentData\Downloads\RuntimeBackups\
  • Copy GDS2Key.exe from \9.kеуgеn-GDS2Key_pass_fantomel to the Desktop.Run as administrator and generate the lease key. A infiniteLease.dat file will be generated and automatically copied to C:\ProgramData\GM\TIS2WebProxy\.dls\.lreg\
  • Install MDI_Setup.exe
  • From Desktop, start GDS2, Choose English Language, Choose one of the diagnostic packages. Note it will show Global, which includes NA cars, Click on install. GDS will restart and ready for use
Click to expand...
I don’t have the GDS2Key.exe
 

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