RadioPRO Advanced Interface for General Motors Vehicles

$249.00 GM1A-RS
Radio replacement interface retains chimes, factory amplifier, and steering wheel controls


RadioPRO Advanced Interface for General Motors Vehicles


  1. If this is the first time using the RadioPRO PC Application, download the Radio PRO PC Application. This can be found at the "Download" tab at the very bottom of the firmware list on this page.
  2. Download the firmware file.
  3. Install the Radio PRO PC Application using the .exe file you downloaded in step one.
  4. Open the RadioPRO PC Application using the new shortcut created on your desktop.
  5. Connect the interface to the computer using a standard to micro USB cable.
  6. Click the "Firmware" icon.
  7. Click “Select File” and browse to the new firmware file. The new firmware can be found where you saved it before beginning.
  8. Once the file is chosen the update will begin. When successful it will show the text "Update Completed".
  • Firmware Download, Version V11 (Released on February 2nd, 2021)
    Release Notes
    • Fixes issue seen with chime level being too loud
    • Adds ability to adjust chime level in Premium Bose amplifiers (Y91/UQA)
    • Fixes issues seen with adjustment dial when changing chime level
  • Firmware Download, Version V9 (Released on February 12th, 2019)
    Release Notes
    • Fixes issues seen with accessory dropping out
  • Firmware Download, Version V7 (Released on January 9th, 2019)
    Release Notes
    • Improves general functionality
  • Firmware Download, Version V4 (Released on July 3rd, 2018)
    Release Notes
    • Initial Release
  • Utility/Other, Version V22 (Released on July 26th, 2023)
    Release Notes
    RadioPRO PC Application

RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as steering wheel controls, factory amplifier, audio fade, rear-seat entertainment system, and safety notifications.

RadioPRO Advanced features improved sound quality of warning chimes through a provided speaker and direct USB connection for quick and easy product setting adjustments and firmware updates. It also saves you time installing a streamlined harness design, smaller housing, and easier adjustment of chimes and factory amplifier gain.

Key Features

  • Keeps steering wheel controls
  • Warning chimes through the external speaker
  • Bose amplifier retention (Standard & Premium)
  • Audio fade setting through application
  • Time-saving streamlined harness design and small housing
  • USB updatable
GM1A-RS Instruction Manual
Applies to firmware version V11 or higher
 Download (1.35M)
GM1A-RS Instruction Manual
Applies to firmware version V10 or lower
 Download (1.34M)
Vehicle Specific Instructions
Instructions for wiring the VS41 In Select 2003-2006 Chevrolet / GMC Trucks and SUVs when used with a GM1A module
 Download (781.95k)