RadioPRO Radio Replacement Interface for Select General Motors Vehicles

$289.00 RP5-GM51

Radio replacement interface with Built-in OnStar Retention, Steering Wheel Control Retention and Navigation Outputs 

  • Does not retain any of the following factory features:
    • Rear Seat Entertainment
    • Wi-Fi
    • Teen Driver Features
    • Valet Mode
    • Reverse camera guidelines
    • Rear Park Assist symbols on reverse camera image
    • OnStar Text or Time of Day on Instrument Panel Cluster
    • Performance Data Recorder
    • Custom Launch Control (Line Lock, Launch Control)
    • Ambient Lighting controls
    • Front Camera


RadioPRO Radio Replacement Interface for Select General Motors Vehicles

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. This can be found at in the "Download" tab at the very bottom of the firmware list on this page.
  • 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 July 1st, 2019)
    Release Notes
    ***No download available, harness update only***
    • Changed RP5RADPWRAUDIO-HAR to GM-RAD-HAR. Harness includes the following updates:
      • Shortened chime cable
      • Removed blue power antenna input
      • Extended harness length by 2"
      • Removed constant 12v and ground connections from relay to module
  • Firmware Download, Version (Released on June 1st, 2019)
    Release Notes
    ***No download available, harness update only***
    • RP5RADPWRAUDIO-HAR modification to fix accessory drop out issue
  • Firmware Download, Version (Released on March 20th, 2017)
    Release Notes
    • Adds 2016/2017 vehicle compatibility
    • Adds Sony and Clarion VR support
    • Updated RP5-GM51-HAR to include independent leads for 12v and ground (this was a hardware change indicated by the first digit "2" and cannot be updated with firmware)
  • Firmware Download, Version 1.1.4 (Released on February 13th, 2015)
    Release Notes
    • Added GM-LAN SWC for Colorado
    • Added Alpine VR command
    • Added auto defog settingg for Tahoe
  • Firmware Download, Version 1.1.3 (Released on May 6th, 2014)
    Release Notes
    • Added 2015 Tahoe/Suburban/Yukon compatibility
  • Utility/Other, Version 2.6 (Released on July 14th, 2017)
    Release Notes
    PAC-UP Interface Updater
  • Utility/Other, Version 2.0.11 (Released on March 20th, 2017)
    Release Notes

    PAC Vehicle Settings App (PC)

    Software designed to change the vehicle settings directly from a PC.

    • Adds new vehicle settings

An all-in-one radio replacement and SWC interface, the innovative RadioPRO5 comes pre-loaded with OnStar retention, SWC software, navigation-based output signals, and other features that save time and money during installation.

  • Retains OnStar Telematics system
  • Retains original steering wheel control functions with the radio with no additional interface or programming needed
  • Retains front and rear park assist
  • Retains all warning chimes (chime module included)
  • Retains OEM Auxiliary Input
  • Antenna adapter included
  • Additional part CAM-GM51 required to retain factory reverse camera
  • Data controlled outputs for connection to your navigation radio; speed, reverse, and parking brake status output wires
  • Data controlled RAP accessory output
  • Works right out of the box with most radio brands
  • Keeps vehicle data bus intact for service
  • The interface can be quickly updated if needed from the PAC website using a PAC-UP USB adapter.

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

RP5-GM51 Instruction Manual
Rev. 3
 Download (808.46k)
GM Tuner Locations
Tuner locations where module is connected
 Download (3.24M)
RP5-GM51 Tech Brief
Use this when installing the module into an Impala or Malibu
 Download (250.81k)
RP5 Accessory Power Tech Brief 1
No accessory power output - Bypassing the power wires
 Download (1.03M)
Loss of Accessory Power
Tech bulletin for no accessory power output - Bypassing the module with the speaker wires. This tech brief only applies to modules that are blue.
 Download (1.63M)