Axxess AXSSO-GM2 Stop/Start Override Interface for Select GM 2016-2025

Axxess AXSSO-GM2 is a stop/start override data interface for select GM vehicles 2016-2025. It automatically disengages the factory STOP/START engine feature after the vehicle is started while allowing the driver to re-engage the feature when needed.

Key Features

• STOP/START override interface for select GM vehicles 2016-2025
• Automatically disengages the factory STOP/START engine feature after startup
• Works with factory or aftermarket radio configurations where supported
• Allows the factory STOP/START button to resume the feature when supported
• Simple 2-wire setup
• Retains the factory remote-start feature when equipped and supported
• Designed for vehicle-specific Axxess applications; verify current fitment before purchase

System / Wiring Notes

• Vehicle compatibility depends on exact year, make, model, trim, and factory equipment
• Vehicle type or setup may require the Axxess Updater app or current Axxess setup procedure depending on application
• This interface overrides the STOP/START system behavior; it does not delete or permanently remove the factory system
• Refer to the current Axxess vehicle fit guide and instructions before installation

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle fitment and factory STOP/START system compatibility before installation
• Professional installation is recommended for best results
• Additional installation parts may be required depending on the vehicle and radio configuration
• Check the current manufacturer instructions before installation

What’s in the Box

• Axxess AXSSO-GM2 interface with LD-GM1-SSO and LD-GM2-SSO harnesses

Technical Specifications

• Brand: Axxess
• Model: AXSSO-GM2
• Product Type: STOP/START override data interface
• Application: select GM vehicles 2016-2025
• Compatibility Type: Vehicle-specific
• Radio Compatibility: Factory or aftermarket radio where supported
• Sold As: Each

Identifiers & Packaging

• MPN: AXSSO-GM2
• UPC: 86429435388
• Sold As: Each
• Included Components: AXSSO-GM2 interface; LD-GM1-SSO harness; LD-GM2-SSO harness

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup