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.

At a Glance

• 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.

Exact Vehicle Compatibility

Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.

Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.

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: 086429400119
• 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