Axxess AXTC-LN29 Data Interface with SWC for Select GM Vehicles

Axxess AXTC-LN29 is a vehicle-specific Total Control radio replacement data interface with built-in steering wheel control retention for select 2006-2023 GM vehicles. It is used when replacing the factory radio with an aftermarket radio while retaining supported vehicle functions that may otherwise be lost.

Key Features

• Built-in steering wheel control retention with Axxess auto-detect technology
• Provides accessory power where supported by the vehicle application
• Provides NAV outputs for parking brake, reverse, and speed sense
• Allows dual assignment of steering wheel control buttons
• Designed to work with major aftermarket radio brands
• Micro-B USB updatable for supported firmware updates
• Designed for non-amplified systems or when bypassing a factory amplifier
• Retains chimes
• Retains factory backup camera if equipped
• Retains balance and fade
• Provides 12-volt illumination output

System / Wiring Notes

• Factory feature retention depends on vehicle trim, factory radio, factory amplifier, and original equipment
• Retained steering wheel controls require proper radio-brand selection and interface programming when applicable
• Additional dash kit, antenna adapter, camera adapter, USB adapter, or amplifier integration parts may be required for a complete radio installation
• Verify exact vehicle year, model, trim, factory audio package, and system/RPO codes before purchase
• Large application range. Verify the exact factory radio, amplifier, RPO code, and camera configuration before purchase.

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle compatibility and factory audio system before installation
• Read the current Axxess instructions before wiring or programming the interface
• Professional installation is recommended for proper radio integration, steering wheel control setup, and retained-feature operation

What’s in the Box

• Axxess AXTC-LN29 interface
• Vehicle-specific harnessing as supplied by Axxess
• Installation components as supplied by Axxess

Technical Specifications

• Brand: Axxess
• Model: AXTC-LN29
• Product Type: Radio replacement data interface with steering wheel control retention
• Application: select 2006-2023 GM vehicles
• Compatibility Type: Vehicle-specific
• Audio System Support: Non-amplified or factory amplifier bypass applications
• Update Method: Micro-B USB

Identifiers & Packaging

• MPN: AXTC-LN29
• UPC: 86429400119
• Sold As: Each
• Included Components: Data interface and vehicle-specific harnessing

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