Manuals+

RPK4-CH4101: Complete Radio Replacement with Integrated Climate Control Retention

For Select 2013-2019 RAM Trucks

Introduction and Features

The RPK4-CH4101 is a comprehensive radio replacement kit designed for 2013-2019 RAM trucks equipped with an 8-inch factory screen. It includes all necessary modules and cables to retain key factory system features such as steering wheel mounted radio controls, the factory reverse camera, and AM/FM reception.

A secondary 5.2-inch LCD screen is integrated, providing enhanced vehicle control. This includes a user interface for climate controls, retention of vehicle settings, factory amplifier control, settings for the RPK4.2-CH4101 interface, forced camera activation, and the ability to add additional cameras, display tire pressure, and vehicle gauges. The specific features displayed on the LCD screen may vary depending on the vehicle's original equipment.

Four programmable hard buttons are located below the LCD screen on the dash bezel. These buttons allow users to set presets for functions like specific climate controls, forced camera activation, and LCD screen controls. The available options for these hard buttons depend on the vehicle's features and installed cameras.

Some advanced features may require additional accessories, which are sold separately.

Important Notes

It is highly recommended to read this manual thoroughly to familiarize yourself with the entire installation process before beginning.

Components

The RPK4-CH4101 kit includes the following components:

  1. Climate Control Button Inserts
  2. Radio Dash Bezel with 5.2" LCD Display
  3. External Chime Speaker
  4. RP4.2-CH4101 Interface Harness
  5. RP4.2-CH4101 Aftermarket Radio Connection Harness
  6. Radio Mounting Shroud
  7. AM/FM Antenna Adapter (BAA22)
  8. Radio Mounting Brackets
  9. OEM USB Replacement Hub*
  10. Reverse Camera Retention Harness (RPA-16P1V)
  11. Single DIN Mounting Pocket
  12. Radio Mounting Screws
  13. RP4.2-CH4101 Radio Replacement Interface

*Some kits may include a USBDMA6 and instructions for obtaining a USB Hub Replacement.

Tools Needed for Installation

Phillips head screwdriver, 7mm socket, ratchet, T20 torx screwdriver, plastic panel removal tool (e.g., PAC part number TL-PRY2), air saw or hacksaw with a metal cutting blade (unless installing a shallow mount radio).

Installation

Part One: Disassembly of Factory Dash

This section details the removal of the factory dash components.

Trucks With a Center Console

If your truck has a center console, begin here. If not, skip to the section for trucks without a center console.

Step 1

Remove the circled rubber inserts to gain access to the screws securing the dash and console.

Diagram shows the interior of a RAM truck center console with rubber inserts circled for removal.
Step 2

Remove the two T-20 torx screws from the top of the dash.

Diagram shows the top of the RAM truck dashboard with two T-20 torx screws circled.
Step 3

Remove the T-20 torx screw from the back of the small pocket on the right side of the dash.

Diagram shows the right side of the RAM truck dashboard, highlighting a small pocket and a circled T-20 torx screw behind it.
Step 4

Remove the two Phillips head screws in the tray at the bottom of the dash panel.

Diagram shows the bottom tray of the RAM truck dashboard with two Phillips head screws circled.
Step 5a (2013-2015 models)

Remove the chrome trim ring around the center console storage compartment.

Diagram shows the center console storage compartment with a chrome trim ring highlighted for removal.
Step 5b (2016-2019 models)

Remove the rubber insert in the bottom of the center console storage compartment. Remove the 7mm screw from the bottom of the storage compartment.

Diagram shows the bottom of the center console storage compartment with a rubber insert and a 7mm screw circled.
Step 6

Remove the center console by pulling straight up from the back, then pulling the console outward toward the back of the truck.

Diagram illustrates pulling the center console upwards and then outwards.
Step 7

Remove the dash panel by gripping firmly and pulling straight out on the top portion of the panel.

Diagram shows a hand gripping the top of the dash panel and pulling it outwards.
Step 8

Disconnect all harnesses from the back of the dash panel. Once disconnected, remove the dash panel from the truck.

Diagram shows the back of the removed dash panel with various electrical connectors highlighted for disconnection.

Trucks Without a Center Console

If your truck does not have a center console, follow these steps.

Step 1

Remove the circled rubber insert to gain access to the screws securing the dash.

Diagram shows the RAM truck dashboard without a center console, highlighting a rubber insert for screw access.
Step 2

Remove the two T-20 torx screws from the top of the dash.

Diagram shows the top of the RAM truck dashboard (no console) with two T-20 torx screws circled.
Step 3

Remove the T-20 torx screw from the back of the small pocket on the right side of the dash (this screw may not always be present).

Diagram shows the right side of the RAM truck dashboard (no console), highlighting a small pocket and a circled T-20 torx screw.
Step 4

Remove the dash panel by gripping firmly and pulling straight out on the top portion of the panel.

Diagram shows a hand gripping the top of the dash panel (no console) and pulling it outwards.
Step 5

Disconnect the harnesses from the back of the dash panel. Once all harnesses are disconnected, remove the dash panel from the truck.

Diagram shows the back of the removed dash panel (no console) with electrical connectors highlighted for disconnection.

This concludes Part One. Proceed to Part Two for radio removal and dash preparation.

Part Two: Radio Removal / Dash Preparation

Removing the Radio

Step 1

Remove the four 7mm screws securing the radio in place.

Diagram shows the factory radio in the dash with four 7mm screws circled.
Step 2

Disconnect the 52-pin dock and lock connector, along with all antenna connections, from the radio. The number of antenna connections may vary based on the vehicle's features.

Diagram shows the back of the factory radio with a 52-pin connector and antenna cables highlighted for disconnection.
Step 3

Remove the radio from the dash. The dash appearance may differ slightly depending on the model year.

Diagram shows the factory radio being pulled out of the dash opening.

Relocating the Factory Security Module

(If present; not necessary if installing a shallow mount radio)

Step 1

If your truck is equipped with the factory security module, it must be relocated to allow for the removal of the lower portion of the metal support bracket.

Diagram shows the location of the factory security module and the metal support bracket.
Step 2

Remove the three 7mm screws circled here and set them aside.

Diagram shows the factory security module with three 7mm screws circled.
Step 3

Relocate the security module to just below the plastic support beam shown here.

Diagram shows the relocated security module positioned below a plastic support beam.

Cutting the Sub-Dash

(Not necessary if installing a shallow mount radio)

Step 1

Cut here in 2013-2017 model years.

Diagram shows the sub-dash area with a cutting line indicated for 2013-2017 models.
Step 2

Cut here in 2018-2019 model years. It is necessary to cut more metal out of these models.

Diagram shows the sub-dash area with a cutting line indicated for 2018-2019 models, noting more metal removal is required.
Step 3

After cutting, the sub-dash should look similar to this.

Diagram shows the sub-dash area after the necessary cuts have been made.

This concludes Part Two. Proceed to Part Three for installing the new dash panel.

Part Three: Installing the New Dash Panel

Step 1

Remove the portion of the dash outlined in red and replace it with the new PAC dash bezel.

Diagram shows the factory dash panel with a section highlighted in red, indicating removal for replacement with the new bezel.
Step 2

Remove the 13 Phillips head screws holding the factory dash bezel onto the dash panel. Retain these screws as they will be used to secure the new dash bezel.

Diagram shows the back of the factory dash bezel with 13 Phillips head screws circled.
Step 3

To remove the factory dash bezel, flip the panel back over and pull straight out at the bottom of the bezel, then down.

Diagram illustrates flipping the factory dash bezel and pulling it downwards.
Step 4

Your dash panel should now look like this. You should also have the 13 Phillips head screws retained from Step 2.

Diagram shows the dash panel after the factory bezel has been removed.
Step 5

Install the appropriate insert (Auto or Blank) in the middle of the fan speed knob on the new dash panel. Choose the proper insert carefully, as changing it after installation can be challenging.

Diagram shows the new dash panel with a focus on the fan speed knob area where an insert is to be placed.
Step 6a

If your vehicle has Automatic Climate Controls, install the insert labeled "Auto". Ensure the light pipe is aligned with the hole in the kit. Note: Installing this button will not add automatic climate control functionality if the factory panel did not have it.

Diagram shows the "Auto" insert being placed into the fan speed knob.
Step 6b

The insert should look like this when installed properly.

Diagram shows the "Auto" insert correctly installed in the fan speed knob.
Step 6c

If your vehicle does not have automatic AC, install the blank insert. The insert should look like this when installed properly.

Diagram shows the blank insert correctly installed in the fan speed knob.
Step 7

Insert the new dash bezel by placing the top in first, then sliding it up into place.

Diagram illustrates inserting the new dash bezel into the dash opening.
Step 8

Secure the new dash bezel into place by reinstalling the 13 Phillips head screws removed in Step 2.

Diagram shows screws being inserted to secure the new dash bezel.
Step 9

Your dash should now look like this.

Diagram shows the completed installation of the new dash panel with the PAC bezel.

This concludes Part Three. Proceed to Part Four for configuring and wiring the RadioPRO Interface.

Part Four: Configuring and Wiring the RadioPRO Interface

Mounting the Aftermarket Radio

Diagrams illustrate the mounting configurations for both Double-DIN and Single-DIN aftermarket radios.

Diagram showing Double-DIN aftermarket radio mounting brackets and pocket.Diagram showing Single-DIN aftermarket radio mounting brackets and pocket.

RP4.2-CH4101 Module Layout

The RP4.2-CH4101 module features several ports and controls:

  • Rotary Dial: Not Used.
  • Radio Select DIP switches: Used to configure the interface for different radio brands.
  • Interface Connector 1: For vehicle power and data.
  • Interface Connector 4: For SWC output and other vehicle signals.
  • Reset Button: Used for resetting the module.
  • USB Port: For firmware updates or accessories.
  • LCD Display Connector Port: Connects to the 5.2" LCD screen.
  • Interface Connector 2: For vehicle data (e.g., CAN bus).
  • Interface Connector 3: For audio outputs (amplified or non-amplified) and external speaker.
  • LED 1 & LED 2: Status indicator lights.
Diagram showing the RP4.2-CH4101 module with labels for all ports and controls.

Connectors

Detailed pinout information for various connectors:

Interface Connector 1

  • Red: Accessory Output (10A)
  • Yellow: 12V+
  • Black: Ground

Vehicle Connector 1

  • Yellow: Battery +12V
  • Black: Ground
  • Pink: MS-CAN +
  • Pink / Black: MS-CAN -
  • White / Red: HS-CAN+
  • White / Black: HS-CAN-
  • White: Front L + input
  • White / Black: Front L - input
  • Gray: Front R + input
  • Gray / Black: Front R - input
  • Green: Rear L + input
  • Green / Black: Rear L - input
  • Purple: Rear R + input
  • Purple / Black: Rear R - input
  • Reverse Camera: Video from factory reverse camera
  • Cargo Camera / RSE Video: Video from factory cargo camera
  • RSE Audio: Not Used
  • OEM AUX Audio: Audio from factory Auxiliary Input Jack

Interface Connector 2

  • White / Red: HS-CAN + Input
  • White / Black: HS-CAN - Input
  • Pink: MS-CAN + Input
  • Pink / Black: MS-CAN - Input
  • Blue / White: Not Used

Interface Connector 3

  • White: Front L + output
  • White / Black: Front L - output
  • Gray: Front R + output
  • Gray / Black: Front R - output
  • Green: Rear L + output
  • Green / Black: Rear L - output
  • Purple: Rear R + output
  • Purple / Black: Rear R - output
  • Ext Speaker Out: Connect to supplied external speaker for parking sensor chimes if the vehicle has factory parking sensors and no factory amplifier, or if the factory amplifier is bypassed.

Interface Connector 4

  • Purple: Rear R + input
  • Purple / Black: Rear R - input
  • Green: Rear L + input
  • Green / Black: Rear L - input
  • Gray: Front R + input
  • Gray / Black: Front R - input
  • White: Front L + input
  • White / Black: Front L - input
  • Blue / Yellow: SWC Output / Key 1
  • Brown: SWC Output / Key 2
  • 3.5 mm Jack: SWC Output
  • Pink: Vehicle Speed Sense Output
  • Light Green: Parking Brake Output
  • Violet / White: Reverse Signal Output
  • Orange / White: Illumination Output
  • Blue / White: Amp Turn On Input
  • Blue: Not Used

Reverse Camera Retention Harness

  • Red: Camera 12V Out (800mA)
  • Black: Camera Ground Out
  • Yellow (Male Composite): Video Output (To aftermarket radio's camera input)
  • Yellow (Female Composite): Video Input (From vehicle connector or aftermarket camera)
Diagram showing the pinouts for Interface Connectors 1, 2, 3, 4, Vehicle Connector 1, and the Reverse Camera Harness.

DIP Switches

Set the DIP switches on the side of the interface according to the chart below to match your aftermarket radio. Set all other DIP switches to the OFF position.

DIPAlpineJVCKenwood / Lightning AudioClarion / Nakamichi / Stinger2-Wire ResistivePioneer / Other*SonyFusion
1ON
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*Other brands include Dual / Axxera (which may also use 2-wire resistive), Jensen, Rockford Fosgate.

The radio select DIP switches must be adjusted to the correct setting for your radio before plugging the interface into the vehicle.

Diagram showing the DIP switch block on the RP4.2-CH4101 module.

Wiring Connections

Follow these steps to connect the RPK4-CH4101 system:

  1. Set the DIP Switches on the interface according to the chart on page 10.
  2. Wire the aftermarket radio harness according to the connection charts for Interface Connector 1 and Interface Connector 4 provided on page 10.
  3. Connect Interface Connectors 1, 2, and 4 to the RP4.2-CH4101 module.
  4. Connect Interface Connector 3 to either the amplified or non-amplified audio output connector, depending on your vehicle's system.
  5. Connect one end of the supplied LCD Display connector into the Expansion Port on the RP4.2-CH4101. Route the other end to be accessible after the factory dash panel is re-installed.
  6. If installing in a truck with factory parking sensors and no factory amplifier (or if the factory amplifier is bypassed), connect the supplied external chime speaker to the external speaker output on Interface Connector 3. Mount it where parking sensor chimes can be heard clearly.
  7. Connect the SWC output wire to the aftermarket radio, provided the radio supports a wired remote input.
  8. Once all connections are made, plug the vehicle connectors into the vehicle harness.
  9. Reverse Camera Connection:
    • a. Connect the included RPA-16P1V harness to the 16-pin connector (Connector 3) on the back of the radio dash bezel (refer to Fig. 1).
    • b. Connect the Male Yellow RCA (Video Output) from the RPA-16P1V harness to the aftermarket radio's reverse camera input.
    • c. Connect the Female Yellow RCA (Video Input) from the RPA-16P1V harness to the Male Yellow RCA from vehicle connector 1 (factory reverse camera), or to the aftermarket reverse camera's RCA video output.
    • d. Connect the red and black power wires from the RPA-16P1V to the aftermarket reverse camera's power wires. If using a factory camera, insulate these wires.
    • e. To add additional cameras (front, blind spot, cargo, etc.), use the RPA-16P5V (sold separately) instead of the RPA-16P1V harness. See the next page for details.
    Fig. 1: Rear of RPK4-CH4101 Radio Dash Bezel showing connectors 1-4.Fig. 2: RPA-16P1V Harness showing wire functions and connections.
  10. Re-install the factory dash panel. Connect the factory plugs from the vehicle into the appropriate connectors on the back of the dash panel.
  11. Connect the free end of the LCD Display connector into the outermost 10-pin connector (Connector 1) on the back of the radio dash bezel (refer to Fig. 1).
  12. If retaining or installing cameras, connect the RPA-16Pxx harness into Connector 3 on the back of the radio dash bezel (refer to Fig. 1).
  13. Optional: For easier firmware updates without accessing the back of the Climate Control display, connect a USB extension cable (PAC part USBDMA3, sold separately) to the USB port (Connector 4) on the back of the radio dash bezel. Route it to an accessible location like the glove box.
  14. After connecting the dash bezel, the LEDs for the four hard buttons will illuminate momentarily, then flash, indicating initialization. The LEDs will then turn off, and the RadioPRO splash screen will appear on the LCD. This initialization sequence may take up to 2 minutes. Once the LCD screen is active, proceed to the setup and testing section.

Using Multiple Cameras

With the optional RPA-16P5V harness, the RPK4-CH4101 supports display and control of up to 5 cameras. The RPA-16P5V replaces the RPA-16P1V harness.

Cameras can be connected to any of the 4 available camera inputs (Camera 1 is reserved for the reverse camera). Camera input and control are adjustable via the settings menu on the LCD display. The provided power and ground connections are active when the vehicle is on. Use these leads to power aftermarket cameras (up to 800mA total). If cameras require more than 800mA, use an external relay. Refer to page 13 for setup and operation.

Diagram showing the RPA-16P5V harness connections for multiple cameras.

Setup and Testing

Verify that all screens and functions are present and operating correctly via the 5.2-inch display.

Screenshot of the 5.2" LCD display showing available screens: Options Screen, Climate Control, Camera Control, Vehicle Info, Vehicle Gauges.

To enter the Installation Settings menu, press and hold the Vehicle Settings icon on the Options screen.

Diagram illustrating pressing and holding the Vehicle Settings icon.

Camera Setup

The camera settings menu allows you to configure installed cameras. Using the RPA-16P5V harness, the RPK4-CH4101 supports switching between up to 5 camera images via the aftermarket radio. Camera 1 is permanently set as the Rear Camera and cannot be changed. Camera inputs 2, 3, 4, and 5 can be set to "None" or specific camera types as shown in Fig. 1.

Step 1

Open Camera Settings.

Screenshot showing the Installer Settings menu with the "Cameras" option highlighted.
Step 2

Touch the camera input (Camera 2, 3, 4, or 5) you wish to activate. The radio will display the image from the connected camera.

Screenshot showing camera input selection, e.g., "Camera 2 Front".
Step 3

From the options, touch the icon that matches the displayed image. Repeat steps 2 and 3 for each camera being added.

Screenshot showing various camera icons to select from.
Step 4

Verify that the camera inputs have been set up correctly. Exit the settings by pressing the back button until you are on the options screen.

Screenshot showing camera input verification, e.g., "Camera 2 Front".
Fig. 1: Diagram showing available Camera Options (Rear, Front, Left, Right, Bed, Nanny, Trailer Bed, Trailer Rear, Trailer Left, Trailer Right, Other).

Swipe left to access the Camera Control screen.

Screenshot of the 5.2" LCD display showing the Camera Control screen with icons for different cameras.

Verify that the new camera icons appear on the screen and activate the camera when touched.

Diagram illustrating touching a camera icon to activate it.

Setting Automatic Camera Triggers

(Front, Left, and Right Cameras Only)

Step 1

Open Camera Settings.

Screenshot showing the Installer Settings menu with the "Cameras" option highlighted.
Step 2

Select the desired camera (e.g., Camera 2 Front).

Screenshot showing camera input selection, e.g., "Camera 2 Front".
Step 3

Select the camera trigger.

Screenshot showing trigger options for a selected camera, e.g., "Front Camera Triggers".

Steering Wheel Controls

The interface comes pre-programmed with all factory Steering Wheel Control (SWC) functions. Programming is only required if you wish to re-assign functions or utilize short press/long press commands. See below for custom programming details.

Selectable Triggers for Front Camera:

  • Auto Turn On Into Drive: Activates for 30 seconds or until a speed threshold is met.
  • Steering Wheel Angle Mode: Activates when steering wheel angle exceeds a selected angle and speed is below a threshold.
  • Speed Threshold: Activates when vehicle speed is below a selected threshold and above the SW Angle speed threshold.
  • Steering Wheel Angle Threshold: Activates when steering wheel angle meets or exceeds a selected angle and is below a speed threshold.
  • Auto Turn On Into Drive Max Time: Sets the maximum display time for the front camera when the vehicle is put into drive.

Selectable Triggers for Left and Right Cameras:

  • Operation: Off, On (with turn signal), Double Tap (with turn signal), Moving Over X MPH (with turn signal).
  • Speed Trigger: Above 10 MPH, Above 20 MPH, Above 30 MPH, Above 40 MPH.

Custom SWC Programming

Example: Program the 'Track Up' button for a quick press of 'Track Up' and a long press for 'Preset Up'.

Step 1

Open SWI Settings.

Screenshot showing the Installer Settings menu with the "SWI" option highlighted.
Step 2

Touch the 'Track Up Long Press' function, currently labeled 'Not Assigned'.

Screenshot showing SWC programming interface with 'Track Up Long Press' highlighted.
Step 3

Scroll to find and press the 'Preset Up' option.

Screenshot showing the list of available SWC functions, with 'Preset Up' highlighted.

Custom SWC Programming Tips:

  • Each SWC radio function can be used only once. If a function is assigned to multiple buttons, the last assignment takes precedence.

Audio Adjustments

The 5.2-inch display allows adjustment of factory amplifier audio settings or parking sensor chime volume.

Amplifier Audio Settings
Step 1

Open Factory Amplifier Settings.

Screenshot showing the Installer Settings menu with the "Factory Amplifier" option highlighted.
Step 2

Make Adjustments (e.g., Fade, Gain, Treble, Bass).

Real Time Fade On: Fading from aftermarket radio.
Real Time Fade Off: Fading from this menu only.

Screenshot showing audio adjustment sliders for Fade, Gain, etc.
Chime Volume Adjustment
Step 1- Factory Amplified

Open Advanced Settings.

Screenshot showing the Installer Settings menu with "Advanced Settings" highlighted.
Step 1- Factory Non-Amplified

Open Advanced Settings.

Screenshot showing the Installer Settings menu with "Advanced Settings" highlighted.
Step 2

Adjust Chime Volume.

Screenshot showing the Chime Volume slider.

Hard Buttons

The four hard buttons below the RPK4-CH4101 display can be assigned to control specific Climate Control functions, force activate cameras, or manage screen settings. A descriptive tag above each button indicates its assigned function, which can be toggled on/off.

If popups are enabled, a proximity sensor will display these descriptive tabs when your hand is near the buttons.

Assignable Options:

  • Climate Control Functions: Max A/C, Sync, Heated Wheel, Fan Mode (may vary by application).
  • Camera Functions: Camera 1, Camera 2, Camera 3, Camera 4, Camera 5 (number available depends on installation).
  • Screen Shortcut Functions: Climate, Camera, Gauges.

Assigning Functions to the Hard Buttons

Step 1

Press the "Buttons" icon in the settings menu.

Screenshot showing the Options Screen with the "Buttons" icon highlighted.
Step 2

Touch the tab corresponding to the hard button you wish to assign a function to.

Screenshot showing the "Configure Buttons" screen with Button 1 highlighted.
Step 3

Click on the desired device (Unassigned, Climate Control, Camera) and operation. For example, to force activate the cargo camera (Camera 5) using the first hard button, select "Camera" then "Camera 5".

Screenshot showing the process of selecting "Camera" and then "Camera 5" for Button 1.

Repeat steps 3 and 4 for each hard button you wish to program.

Testing Functionality

To test the radio and RPK4-CH4101 functionality:

  1. Turn the ignition on. The interface LED and +12V accessory wire should activate.
  2. Turn on the radio. Check volume, balance, and fade.
    • If volume is too low or high, verify Interface Connector 3 is correctly connected to the amplified or non-amplified audio output.
    • For trucks with factory amplifiers, use the factory amp gain adjustment in the RPK4-CH4101 settings menu to set the desired level.
    • Verify all SWC functions are working properly (refer to Steering Wheel Control section, pages 15-16).
  3. Verify all vehicle functions are present on the 5.2" LCD display:
    • Climate Controls
    • Sound Settings (if applicable)
    • SWI Settings (if DIP switches are set correctly)
    • Vehicle Settings
    • Information Screen
    • Vehicle Gauges
    • Camera Control
  4. If a vehicle function is not present:
    • Reset the RP4.2-CH4101 (see page 19).
    • If the function is still missing after a reset, with the vehicle running, disconnect and reconnect the RP4.2-CH4101 Display Connector from the back of the 5.2" LCD display.

Troubleshooting

  • Dual Zone Climate Controls Displaying Single Zone: With the vehicle running, disconnect and reconnect the RP4.2-CH4101 Display Connector from the back of the 5.2" LCD display.
  • Climate Control Fan Speed Low or Unresponsive on Initial Install: The truck's system needs to sleep cycle. Turn off the truck, close all doors, lock it with the keyfob, and let it sit for 5 minutes. Restart the truck and check functionality.
  • Vehicle Function Not Present: Reset the RP4.2-CH4101 (page 19). If still missing, disconnect and reconnect the RP4.2-CH4101 Display Connector from the back of the 5.2" LCD display while the vehicle is running.
  • Steering Wheel Controls Inoperable: Verify DIP switch settings (page 10).
  • Reverse Camera Inoperable: Check all reverse camera connection points by reviewing wiring steps on pages 11 and 12.

LED Status Table:

LED PatternStateAction
LED 2 solid redVehicle RAP / ACC output is onN/A
LED 2 flashing greenSWC ActivityN/A
LED 2 flashing redModule Resetting / InitializingN/A
LED 1 solid greenModule Powered and OperatingN/A
LED 1 flashing amberUSB connectedN/A
OffNo ActivityVerify ignition position. Check for 12V on Yellow wire and Ground on Black wires.

Product Updates (Firmware)

The RadioPRO app allows updating the RP4.2-CH4101 interface firmware as new versions become available. The 5.2" LCD screen's firmware can also be updated.

To update firmware:

  1. Open the Radio PRO PC app.
  2. Connect the interface to your PC.
  3. Select "Firmware" then "Update Firmware".
  4. Select "Select File", browse to the saved firmware file, and select it. The update process will begin.
  5. Once complete, disconnect the interface from the PC and test operation.
Screenshots showing the RadioPRO app interface for firmware updates.

Reset / Restoring Interface Factory Settings

To restore the interface to factory default settings, press and hold the programming button on the module until the status LED starts blinking red. Release the button immediately when the LED blinks red to perform the reset. This will restore all settings to factory default.

Kit Layout

Diagram illustrating the installed components:

  • Dash Bezel
  • LCD Screen
  • Climate Controls
  • Aftermarket Radio
  • User Programmable Hard Buttons
Diagram showing the layout of the installed RPK4-CH4101 kit in the RAM truck dashboard.

Vehicle Feature Checklist

Check the features present in your vehicle:

  • ✔ Vehicle Settings
  • Factory Amplifier
  • Dual Zone Climate Controls
  • Heated Steering Wheel
  • Heated / Cooled Seats
  • Front Camera
  • Blind Spot Cameras
  • Rear Park Sensors

*Additional features may be available depending on your vehicle.

Operating the Display

The 5.2-inch LCD display provides access to various screens:

  • Custom Image Upload
  • Options Screen: Accesses Vehicle Settings, Display, Buttons, and About menus.
  • Climate Controls: Adjust heating, cooling, fan speed, seat heating, etc.
  • Camera Control: View and manage camera feeds (Reverse, Front, Left, Right, Bed).
  • Vehicle Info: Displays vehicle data like speed, tire pressure, battery voltage.
  • Vehicle Gauges: Shows performance metrics like 0-60 times, braking distance.

Note: Available camera icons and climate control screen layout may vary based on installed cameras and vehicle features.

Control Quick Reference:

  • Touch Icon to Select Menu Option: Tap icons on the Options Screen.
  • Swipe Left or Right: Navigate between available screens.
  • To Force Activate a Camera on the Radio Screen: From the Camera Control screen, touch the desired camera icon. Touch the icon again to turn off the image.

*The aftermarket radio must support camera input, and cameras must be connected to the RPK4-CH4101.

Diagram illustrating navigation through the display screens and camera activation.

Accessing Common Settings

Operating Heating / Cooling Options

1. Touch the icon for the desired function on the HVAC screen.
2. Select the desired function to activate.
Screenshots showing HVAC controls on the 5.2" display.

Accessing Vehicle Settings

1. Touch the "Vehicle Settings" icon on the Options screen.
2. Select and adjust the desired vehicle setting (e.g., Language and Units, Safety and Driving Assistance).
Screenshots showing the Vehicle Settings menu.

Adjusting Display Settings

1. Touch the "Display" icon on the Options screen.
2. Adjust LCD Background and Button Color.
3. Toggle Auto Dimming Off/On.
4. Use the Up/Down slider to adjust LCD Brightness.
5. Touch the "Highlights" icon to change the highlight color.
6. Touch the desired color on the color wheel.
7. Touch the "Background" icon to change the background color.
8. Touch the desired color on the color wheel.
Screenshots illustrating display settings adjustments, including color selection and brightness.

Accessing Common Settings (Hard Buttons)

Hard Buttons

The four hard buttons below the RPK4-CH4101 display allow assignment of presets for Climate Control functions, camera activation, or screen settings. Descriptive tags above the buttons indicate their assigned function.

If popups are enabled, proximity sensors display these tabs when your hand is near the buttons.

Assignable Options:

  • Climate Control Functions: Max A/C, Sync, Heated Wheel, Fan Mode (may vary by application).
  • Camera Functions: Camera 1, Camera 2, Camera 3, Camera 4, Camera 5 (number available depends on installation).
  • Screen Shortcut Functions: Climate, Camera, Gauges.

Assigning Function to the Hard Buttons

Step 1

Press the "Buttons" icon in the settings menu.

Screenshot showing the Options Screen with the "Buttons" icon highlighted.
Step 2

Touch the tab corresponding to the hard button you wish to assign a function to.

Screenshot showing the "Configure Buttons" screen with Button 1 highlighted.
Step 3

Click on the device (Unassigned, Climate Controls, Cameras) and operation you wish to program. For example, to force activate the cargo camera (Camera 5) using the first hard button, select "Camera" then "Camera 5".

Screenshot showing the process of selecting "Camera" and then "Camera 5" for Button 1.

Repeat steps 3 and 4 for each hard button you wish to program.

Check out the collection of car stereo / video installation parts offered by PAC.

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rpk4-ch4101-guide

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