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Small black rectangular module with multiple wire connectors and a Micro-B USB port

Axxess Technologies

Axxess Technologies AXDIS-GMLN44 Data Interface with SWC for GM 2012-2016 car electronics accessory

SKU CH-K1W8-KZ9SW

Data interface retains steering-wheel audio controls, OnStar, chimes and factory AUX while adding 12-volt 10-amp accessory power and NAV outputs for select GM 2012-2016 vehicles

  • TypeWire Harness
  • Powers aftermarket accessories with 12-volt 10-amp supply
  • Keeps retained accessory power active after ignition off
  • Supplies navigation outputs for parking brake reverse and speed sense
  • Maintains steering wheel audio controls and factory chimes
  • Preserves OnStar and Bluetooth with adjustable OnStar volume

Vehicle Compatibility

The Axxess AXDIS-GMLN44 data interface fits select General Motors vehicles from 2012 through 2016. Supported models include Chevrolet Avalanche, Express, Malibu, Silverado, Suburban, Tahoe, Trax and GMC Savana, Sierra, Yukon and Yukon XL. It is designed for both amplified and non-amplified factory audio systems.

Steering Wheel Control Retention

The single specification that decides fitment is the retention of steering wheel audio controls through the SWC interface. The module also provides a 12-volt 10-amp accessory power output and NAV signals for parking brake, reverse and speed sense. Factory chimes, OnStar® with adjustable volume, OEM Bluetooth®, balance, fade and AUX input are all preserved.

Power and Integration

The unit draws power from the vehicle harness to supply accessory circuits at 12 volts and 10 amps while maintaining Retained Accessory Power. A Micro-B USB port allows firmware updates without removing the module. No cooling or noise considerations apply to this passive wiring interface.

Highlights

  • Powers aftermarket accessories with 12-volt 10-amp supply
  • Keeps retained accessory power active after ignition off
  • Supplies navigation outputs for parking brake reverse and speed sense
  • Maintains steering wheel audio controls and factory chimes
  • Preserves OnStar and Bluetooth with adjustable OnStar volume

Specifications

TypeWire Harness

Questions about this item

What does the 12-volt 10-amp accessory power supply actually run after installation?

It powers the new head unit and any connected accessories such as a backup camera or navigation module, delivering up to ten amps of continuous current.

How does the Micro-B USB port limit what I can update on the interface?

The port only accepts firmware files from the manufacturer; it cannot add new vehicle profiles or change the retained features such as steering-wheel controls or OnStar volume.

What must I check in the glove-box sticker before the interface will fit my 2014 Silverado 2500?

Look for RPO code Y91; if it is present the truck has a digital amplifier and the interface will connect correctly, otherwise a different harness is required.

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