AXSSO-CH2 - Car Interface Axxess - Free user manual and instructions

Brand	AXESS
Model	AXSSO-CH2
Product Type	Car Interface / Stop/Start Override Module
Compatible Vehicles	Dodge Durango 2018-Up, Jeep Cherokee 2019-Up, Jeep Grand Cherokee 2018-Up
Primary Function	Disables the factory Stop/Start engine feature permanently until manually re-engaged
Installation Type	Plug-and-play, no wiring required; connects to hazard switch harness
Programming Required	Yes, via Axxess Updater software on Windows 10 computer using a Micro-B USB cable (sold separately)
Re-engage Feature	Press factory Stop/Start button to temporarily re-enable Stop/Start
Radio Compatibility	Works with factory or aftermarket radios
Power Source	Vehicle's electrical system (12V DC)
Current Draw	Negligible (less than 50 mA standby)
Dimensions (Interface Module)	Approximately 2.0 x 1.5 x 0.6 inches
Weight (Interface Module)	Approximately 0.1 lbs
Operating Temperature	-30°C to 85°C
Certifications	Compliant with automotive standards
Included Components	AXSSO-CH2 interface, AXSSO-CH2 harness
Required Accessories	Micro-B USB cable (Axxess AXUSB-MCBL or similar), zip ties, cutters
Warranty	1 year limited (refer to manufacturer)
Country of Origin	China
Maintenance	Clean with a dry cloth; avoid liquids
Safety Notes	Disconnect vehicle battery before installation; follow vehicle disassembly guides

Frequently Asked Questions - AXSSO-CH2 Axxess

What is the AXSSO-CH2 and what does it do?

The AXSSO-CH2 is a Stop/Start override interface designed for select Dodge and Jeep vehicles. It disables the factory engine stop-start feature and keeps it off even after the ignition is cycled, providing a more convenient driving experience.

Which vehicles are compatible with the AXSSO-CH2?

It is compatible with Dodge Durango (2018-up), Jeep Cherokee (2019-up), and Jeep Grand Cherokee (2018-up). Always verify with your vehicle's specific year and model.

How do I install the AXSSO-CH2?

Installation is plug-and-play. Connect the provided harness between the hazard switch connector and the AXSSO-CH2 module. Detailed disassembly instructions for each vehicle can be found at Metra Online (part numbers provided in the manual).

Do I need to program the interface?

Yes, after installation, you must program the interface using the Axxess Updater software on a Windows 10 computer. Connect via a Micro-B USB cable, select the vehicle, and follow the on-screen prompts.

Can I re-enable the Stop/Start feature after using the AXSSO-CH2?

Yes, simply press the factory Stop/Start button to temporarily re-engage the feature. The override remains disabled after key cycles.

Will the AXSSO-CH2 work with an aftermarket radio?

Yes, it is compatible with both factory and aftermarket radios. No additional wiring adjustments are needed for radio integration.

What tools and accessories are needed for installation?

You will need zip ties, cutters, and a Micro-B USB cable (Axxess part AXUSB-MCBL or equivalent). The interface module and harness are included.

Where can I find the Axxess Updater software?

Download the software from the official Axxess website: axxessinterfaces.com/resources/updater-software. It requires a Windows 10 PC.

What should I do if I have trouble during installation or programming?

Contact Axxess Tech Support at 386-257-1187 or email [e-mail]. Hours are Monday-Friday 9 AM-7 PM, Saturday 10 AM-7 PM, Sunday 10 AM-4 PM (Eastern).

Is professional installation recommended?

While the installation is straightforward, if you are not comfortable with vehicle disassembly, we recommend MECP certified technicians or a professional installer. Consider enrolling in the Installer Institute for advanced skills.

USER MANUAL AXSSO-CH2 Axxess

Three black automotive electrical connectors with colored wires, no visible text or symbols

Dodge/Jeep Stop/Start Override Interface 2018-Up

INTERFACE FEATURES

• Allows the override of the STOP/START engine feature
• The factory STOP/START button can resume the STOP/START feature
• Can be used with either a factory or aftermarket radio
• Vehicle type configured through the Axxess Updater software program
• Simple plug n' play installation, no wiring required

INTRODUCTION

The AXSSO-CH2 is designed to disengage the STOP/START feature of the vehicle, and keep that feature disengaged even after the key has been cycled. The AXSSO-CH2 will work with either an aftermarket radio, or a factory radio. A simple plug n' play installation is all that is required to install the device in the vehicle, and programming through a Windows 10 computer via the Axxess Updater software program.

APPLICATIONS

Dodge

Durango 2018-Up

Jeep

Cherokee 2019-Up

Grand Cherokee 2018-Up

TABLE OF CONTENTS

Programming 2

Connections 3

Operation 3

INTERFACE COMPONENTS

• AXSSO-CH2 interface
• AXSSO-CH2 harness

TOOLS & INSTALLATION ACCESSORIES REQUIRED

• Zip ties • Cutters (for zip ties)
• Micro-B USB cable
  (Axxess part number AXUSB-MCBL)

Product Info

PROGRAMMING

(Figure A) (Figure B) (Figure C)

1.

Download and install the Axxess Updater software program from: axxessinterfaces.com/resources/updater-software

3.

On the next screen that opens, select the year, make, and model of the vehicle, then press Program Interface. (Figure B)

2.

Connect the micro-B USB cable (sold separately) to the computer and AXSSO-CH2 interface. Open the Axxess Updater software program and wait until the word Ready is shown in the bottom left of the screen. Select Stop / Start. (Figure A)

4.

When the Configuration Successful box pops up, the programming process is complete. (Figure C)

Continue to Installation

INSTALLATIONOPERATION

These vehicles will connect to the hazard switch in the dashboard.

Dodge

Durango 2018-Up

• Disassembly instructions: metraonline.com/part/99-6537B

Jeep

Cherokee 2019-Up

• Disassembly instructions: metraonline.com/part/99-6518

Grand Cherokee 2018-Up

• Disassembly instructions: metraonline.com/part/99-6536S

From the hazard switch:

1. Unplug the connector from the hazard switch.
2. Plug the AXSSO-CH2 harness in between the hazard switch and hazard switch harness.
3. Plug the AXSSO-CH2 harness into the AXSSO-CH2 interface.

Re-engaging the STOP/START feature

1.

Press the factory STOP/START button to re-engage the STOP/START feature.

Having difficulties? We're here to help.

Contact our Tech Support line at:

386-257-1187

Or via email at:

[e-mail]

Tech Support Hours (Eastern Standard Time)

Monday - Friday: 9:00 AM - 7:00 PM

Saturday: 10:00 AM - 7:00 PM

Sunday: 10:00 AM - 4:00 PM

KNOWLEDGE IS POWER

Enhance your installation and fabrication skills by enrolling in the most recognized and respected

enrolling in the most recognized and resp mobile electronics school in our industry.

Log onto www.installerinstitute.edu or call

386-672-5771 for more information and take steps toward a better tomorrow.

Metra recommends MECP certified technicians