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​

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.

...

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
 
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
I don’t have the GDS2Key.exe
 
same here, never made this software to work, already try tons of options on different softwares

That's a common issue — the kеуgеn (GDS2Key.exe) is sometimes separated from the main package or placed in a different folder within the archive.

Here's what to check:

  • Look inside the archive again carefully — there should be a folder named something like 9.kеуgеn-GDS2Keypassfantomel or similar. It may be nested deeper than expected.
  • Some antivirus programs (especially Windows Defender) will silently quarantine kеуgеn/сrаск files during extraction. Check your AV quarantine history and add an exclusion for your extraction folder before unpacking again.
  • If you're using WinRAR or 7-Zip, make sure you're extracting the full archive — not just browsing inside it, as some files may not appear when previewing.

If the file is genuinely missing from your download:

Re-download the package from the resource page and extract with all antivirus/real-time protection temporarily disabled. That kеуgеn file gets flagged as a false positive almost every time.

Regarding the software not working at all:

A few things that trip people up:

  • You must use a clean Windows 10 x64 install — running it on Windows 11 or over an existing cluttered OS causes random failures.
  • Install everything in the exact order listed in the guide above (JRE → t2winstall → Java → Runtime → data copy → kеуgеn → MDI Setup → launch).
  • Run all installers and GDS2 itself as Administrator.
  • Make sure the infiniteLease.dat file actually lands in
    Code:
    C:\ProgramData\GM\TIS2WebProxy\.dls\.lreg\
    — if that directory doesn't exist yet, create it manually before running the kеуgеn.

If you've confirmed the kеуgеn is truly not in the archive, post back and someone can point you in the right direction.
 
That's a common issue — the kеуgеn (GDS2Key.exe) is sometimes separated from the main package or placed in a different folder within the archive.

Here's what to check:

  • Look inside the archive again carefully — there should be a folder named something like 9.kеуgеn-GDS2Keypassfantomel or similar. It may be nested deeper than expected.
  • Some antivirus programs (especially Windows Defender) will silently quarantine kеуgеn/сrаск files during extraction. Check your AV quarantine history and add an exclusion for your extraction folder before unpacking again.
  • If you're using WinRAR or 7-Zip, make sure you're extracting the full archive — not just browsing inside it, as some files may not appear when previewing.

If the file is genuinely missing from your download:

Re-download the package from the resource page and extract with all antivirus/real-time protection temporarily disabled. That kеуgеn file gets flagged as a false positive almost every time.

Regarding the software not working at all:

A few things that trip people up:

  • You must use a clean Windows 10 x64 install — running it on Windows 11 or over an existing cluttered OS causes random failures.
  • Install everything in the exact order listed in the guide above (JRE → t2winstall → Java → Runtime → data copy → kеуgеn → MDI Setup → launch).
  • Run all installers and GDS2 itself as Administrator.
  • Make sure the infiniteLease.dat file actually lands in
    Code:
    C:\ProgramData\GM\TIS2WebProxy\.dls\.lreg\
    — if that directory doesn't exist yet, create it manually before running the kеуgеn.

If you've confirmed the kеуgеn is truly not in the archive, post back and someone can point you in the right direction.
both t2winstall and kеуgеn files are missing, mdi setup too
 
both t2winstall and kеуgеn files are missing, mdi setup too

Several files being missing almost certainly points to your antivirus deleting them during extraction. This is extremely common with automotive diagnostic packages — Windows Defender and other AV tools flag keygens, cracks, and even some installer executables as threats and silently remove them.

Here's what to do:

Step 1: Check Your Antivirus Quarantine

  • Open Windows SecurityVirus & threat protectionProtection history
  • Look for entries marked as "Threat quarantined" or "Threat removed" — you'll likely see your missing files there
  • You can restore them from quarantine individually

Step 2: Re-extract With Protection Disabled

  • Temporarily disable Windows Defender real-time protection (and any other AV you have)
  • Also disable cloud-delivered protection and automatic sample submission in Windows Security settings
  • Delete the previously extracted folder completely
  • Re-extract the entire archive fresh using 7-Zip (right-click → Extract Here)
  • Verify all files/folders are present before re-enabling protection

Step 3: Add Exclusion Folder

Before re-enabling your antivirus, add an exclusion so it doesn't delete the files again:

  • Windows SecurityVirus & threat protectionManage settingsExclusionsAdd an exclusion → choose the folder where you extracted the package
  • Also add C:\ProgramData\GM\ and C:\ProgramData\GDS 2\ as exclusions

Three files missing at once (t2winstall, kеуgеn, MDI setup) is a dead giveaway — those are exactly the types of files that get flagged. Once you re-extract with protection off, they should all be there. Let us know if that sorts it out.
 
Several files being missing almost certainly points to your antivirus deleting them during extraction. This is extremely common with automotive diagnostic packages — Windows Defender and other AV tools flag keygens, cracks, and even some installer executables as threats and silently remove them.

Here's what to do:

Step 1: Check Your Antivirus Quarantine

  • Open Windows SecurityVirus & threat protectionProtection history
  • Look for entries marked as "Threat quarantined" or "Threat removed" — you'll likely see your missing files there
  • You can restore them from quarantine individually

Step 2: Re-extract With Protection Disabled

  • Temporarily disable Windows Defender real-time protection (and any other AV you have)
  • Also disable cloud-delivered protection and automatic sample submission in Windows Security settings
  • Delete the previously extracted folder completely
  • Re-extract the entire archive fresh using 7-Zip (right-click → Extract Here)
  • Verify all files/folders are present before re-enabling protection

Step 3: Add Exclusion Folder

Before re-enabling your antivirus, add an exclusion so it doesn't delete the files again:

  • Windows SecurityVirus & threat protectionManage settingsExclusionsAdd an exclusion → choose the folder where you extracted the package
  • Also add C:\ProgramData\GM\ and C:\ProgramData\GDS 2\ as exclusions

Three files missing at once (t2winstall, kеуgеn, MDI setup) is a dead giveaway — those are exactly the types of files that get flagged. Once you re-extract with protection off, they should all be there. Let us know if that sorts it out.
without the extraction the files is already missing...
 
without the extraction the files is already missing...

If the files are missing directly from the archive itself (not removed by antivirus during extraction), then your download is likely incomplete or corrupted.

Here's what I'd suggest:

1. Verify Your Download

  • Check the file size of your downloaded archive — compare it to what's listed on the resource page. If it's smaller, the download was interrupted or incomplete.
  • Try downloading again using a download manager (like JDownloader or Free Download Manager) to prevent incomplete transfers.
  • If you're downloading via browser, large files sometimes get cut off — a download manager handles resume/retry much better.

2. Re-download From the Resource Page

👉 GM GDS2 - Mega Database Update Pack

Make sure you download the full package — sometimes there are multiple parts or links on the page. Check if there's a Part 1, Part 2, etc. that you might have missed.

3. Check Archive Integrity

If you're using 7-Zip:
  • Right-click the archive → 7-Zip → Test archive
  • If it reports errors, the file is corrupted and needs to be re-downloaded

If you're using WinRAR:
  • Open the archive → Tools → Repair archive
  • This can sometimes recover a partially corrupted download

4. Check All Parts/Volumes

Some mega packs are split into multiple archive volumes (.001, .002 or .part1.rar, .part2.rar). If you only downloaded one part, those files would appear missing. Make sure you have every part before extracting.

If after a fresh complete download the files are still missing, post back with the exact file size of your archive and we can compare to confirm.
 
If I need to use techline sps2 online, the software is automatically updated and obviously says no valid liсеnsе. Is there a way to have both techline online+ gds2 to work without having to install a vm or paying the subscription?
 
If I need to use techline sps2 online, the software is automatically updated and obviously says no v...

That's a tricky situation. Here's the deal:

The Core Problem

When you connect TechLine SPS2 online, GM's servers push automatic updates to your installation — including liсеnsе validation. This overwrites your local offline setup and invalidates the kеуgеn-generated lease file (infiniteLease.dat). Essentially, GM's online environment and the offline сrаскed GDS2 setup conflict with each other by design.

Can Both Coexist Without a VM or Subscription?

Short answer: not reliably on the same Windows installation.

Here's why:

  • SPS2 online requires a live connection to GM's TIS2Web servers, which validates licensing in real-time
  • Once it connects, it overwrites local liсеnsе/lease data and updates runtime files
  • Your offline GDS2 setup depends on the infiniteLease.dat staying untouched in C:\ProgramData\GM\TIS2WebProxy\.dls\.lreg\
  • There's no reliable way to block the liсеnsе check while still allowing SPS2 to function online — it needs that server connection to work

Realistic Options

1. Dual Boot (Best Free Option)
Set up a second Windows 10 partition — one for offline GDS2 diagnostics, one for TechLine SPS2 online. No VM overhead, full hardware access for passthru on both. This is what most people end up doing.

2. Backup & Restore Approach (Tedious but Works)
  • Before going online with SPS2, back up these directories completely:
    • C:\ProgramData\GM\
    • C:\ProgramData\GDS 2\
  • Use SPS2 online as needed
  • When done, restore the backed-up folders and re-apply the kеуgеn lease
This works but is annoying if you switch frequently.

3. VM (You Said No, But...)
A VM is honestly the cleanest solution. VMware Workstation with USB passthrough for your J2534 interface works well. Many people run offline GDS2 in the VM and TechLine natively, or vice versa.

4. Pay the Subscription
If you're doing SPS2 programming regularly for customers, the 2-day or 30-day TIS2Web subscription might be worth it just for those jobs, while keeping your offline GDS2 for diagnostics only.

There's really no magic trick to make both live on the same OS without one breaking the other. Dual boot is your best bet if you want to avoid both VMs and subscriptions.
 
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