Autel IM508 & IM608 Add Support for 2025 GM, GMC, Cadillac, and More IMMO Models

Autel has released a new update (Version 1.80) for its MaxiIM IM508 and IM608 diagnostic tools as of August 1, 2025, significantly expanding IMMO coverage for 2025 GM vehicles.

Updated Software Modules:

• GM_IMMO
• Chevrolet_IMMO
• Hummer_IMMO

Key Highlights of the Update:

Chevrolet IMMO Additions:

• BrightDrop 400 (2025)
• BrightDrop 600 (2025)
• Tahoe (2025)
• Suburban (2025)
• Silverado / Corvette / Colorado / Traverse (2025)
• Equinox / Trailblazer (2025-2026)

GMC IMMO Additions:

• Acadia (2025)
• Terrain (2025)
• Sierra / Canyon / Yukon (2025)

Cadillac IMMO Additions:

• Celestiq (2024-2025)
• Vistiq (2025-2026)
• CT4 / CT5 (2025)

Buick IMMO Additions:

• Envision (2025)
• Encore GX (2025)

Additional Functionality:

• IMMO status scanning and guided functions for 2020+ models
• VIN decoding capabilities for new models
• Optimized IMMO functions for select existing models

Important Notes:

• The update does not include PIN code reading.
• PIN codes must still be obtained from third-party sources.
• Programming functions are now supported for newer 2025 model year vehicles.
• SPS2 is still considered a more straightforward method in some cases.
• The standard 2-hour wait with third-party codes remains in place.
• This update enhances key programming and IMMO support for the latest GM lineup, giving Autel users broader coverage and greater utility on current vehicles.