GM Service Information (SI) Online Access | 1-Year Subscription

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Get full-year GM Service Information (SI) online access with auto-login setup installed by our engineer. You simply open the SI portal and start working—no complicated setup or login issues.

What is GM Service Information (SI)?

GM SI is the service documentation system used to support accurate diagnosis and repairs. It gives technicians the OEM-style information they need while the vehicle is in the bay—so jobs get done faster and with fewer comebacks.

What you can do with GM SI

• Step-by-step repair procedures for GM vehicles

• Wiring diagrams & schematics to trace circuits and confirm connections

• Component locations and connector/pin references

• Technical bulletins, campaigns, and updates to support proper repairs

• VIN or Year/Make/Model lookup to pull the correct publication for the exact vehicle

What’s included

• 1-year GM SI online access (12 months)

• Auto-login installed by our engineer (you open and use it)

• Remote setup support to ensure you’re ready to work

If you need full GM SPS2 Programming, you need to buy the complete GM subscription here.

Who this is for

• Independent repair shops working on GM vehicles

• Diagnostic technicians who need accurate wiring diagrams and procedures

• Workshops that want OEM-level reference data without delays

Requirements (recommended)

• Windows laptop/PC

• Stable internet connection

• Chrome/Edge browser

How it works

1. Purchase the 1-year access

2. Our engineer performs the auto-login installation/setup

3. You launch the portal and use GM SI anytime during the year

Get started

GM Service Information (SI) Online Access — $499/year
If you want OEM-style repair procedures, wiring diagrams, and bulletins available on-demand for a full year, this subscription is the fastest way to get there.