RadioPRO4 Interface for General Motors Vehicles with Class II Data bus

$219.95 RP4-GM11



RadioPRO4 Interface for General Motors Vehicles with Class II Data bus

Installation Instructions

It is VERY important that you use the latest version of Interface Updater. Not doing so may damage the interfaces software. 

Detailed Instructions

  • If this is the first time, download and install "PAC-UP Interface Updater". This will install the necessary software to update the firmware on the RP Interface.
  • Download the firmware file to a location on your computer that you can easily find.
  • Open the Interface Updater Program by going to Start >All Programs >AAMP of America > Interface Updater.
  • Connect the PAC-UP to the computer using supplied USB cable. Connect the PAC-UP to the RP Interface.
  • Click the "Connect" button to establish connection between the PAC-UP and the computer. The "Connected" check box will be checked if successful. If unsuccessful, disconnect the PAC-UP from the computer, restart the software, then reconnect the PAC-UP and try again.
  • Select your RP Interface from the "Interface select" pull down menu.
  • Click "Update firmware". The new firmware can be found where you saved it before beginning.
  • Once the files are chosen the update will begin. When successful it will show the text "End Update".

IMPORTANT: It is very important that the second from last digit of the revision number on your module matches the second from last digit of the new firmware file revision number. If your numbers do not match, please contact our tech support department.

  • Firmware Download, Version (Released on February 13th, 2015)
    Release Notes
    • Separates Sony & Pioneer
    • Adds Alpine VR command
  • Firmware Download, Version (Released on September 19th, 2013)
    Release Notes
    • Improved chimes.
    • Seat belt chime improved on 2005 vehicles.
    • Fixes issues seen with illumination output when hi beams are on.
    • Improved SWC's on 2011-13 Corvette.
    • Adds Sony BT control.
    • Improves reliability in Hummer H2
  • Utility/Other, Version 2.6 (Released on July 21st, 2017)
    Release Notes
    PAC-UP Interface Updater

All in one radio replacement and SWC interface, the innovative RadioPRO4 comes pre-loaded with amplifier retention and SWC software, navigation based output signals and other features that save time and money during installation.
  • Retains steering wheel controls (pre-programmed)
  • Data controlled accessory and navigation outputs
  • Retains factory amplifier (standard & premium)
  • Retains Rear Seat Controls (most vehicles)
  • Provides factory RSE activation
  • In package updatable using the PAC-UP
Compatibility Notes
  • Does not retain OnStar. For OnStar retention please use the RP5-GM11
  • Sony Bluetooth SWC commands are only supported with revision or higher

Check for the latest firmware

Product Revision History

Product Revision History

Current Revision #:   Description: Adds Alpine VR Command Release Date: 2-13-15

Revision #:    Description: Improved chimes, Seat belt chime improved on 2005 vehicles, Fixes issues seen with illumination output when hi beams are on, Improved SWC’s on 2011-13 Corvette, Adds Sony bluetooth SWC support, Improves reliability in Hummer H2 Release Date: 9-23-13

Revision #: 1.3.5    Description: Improved EQ settings for smart amp, Fixes issues seen with SWC when used with Alpine & JVC head units, adds Kenwood Bluetooth function support for SWC  Release Date:

Revision #: 1.3.4    Description: Reduces current draw  Release Date:

Revision #: 1.3.2    Description: Improves reliability  Release Date: 1-22-13

Revision #: 1.3.1    Description: Initial Release  Release Date: 12-21-12

Patent # 8,014,540 & 8,184,825

RP4-GM11 Instruction Manual
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