AXSSO-FD | Installation Instructions

Learn how to install the Ford Stop/Start Override Interface 2015-Up

The AXSSO-FD 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-FD will work with either an aftermarket radio or a factory radio.

A simple plug-and-play installation is required to install the device in the vehicle, and programming is accomplished through a Windows 10 computer via the Axxess Updater software program.

→ 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

→ Interface Components

• AXSSO-FD interface
• AXSSO-FD harness (x2)

→ Required Tools & Accessories

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

Disconnect the negative battery terminal with the key out of the ignition before installing this product. Ensure that all installation connections, especially the airbag indicator lights, are plugged in before reconnecting the battery.

Refer also to the instructions included with the aftermarket accessory before installing this device.

Applications

Programming 

1. Download and install the Axxess Updater software program.

2. Connect the micro-B USB cable (sold separately) to the computer and AXSSO-FD 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)

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

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

Connections

These vehicles will connect to the wiring harness located at the climate control location. 

From the Wiring Harness in the Vehicle Behind the Radio 

1. Unclip the connector located behind the climate control. 
2. Replace it with the connector from the AXSSO-FD harness, and then connect the other end to the climate control harness. (Figure A) 
3. Plug the AXSSO-FD harness into the AXSSO-FD interface. (Figure A)

These vehicles will connect to the wiring harness located at the climate control location. 

From the OBD2 Dash Connector

1. Disconnect the factory OBD2 connector from under the dash. 
2. Plug the AXSSO-FD harness into the OBD2 connector. 
3. Connect the AXSSO-FD harness to the wiring harness in the dash. 
4. Plug the AXSSO-FD harness into the AXSSO-FD interface. 
5. Zip tie the harness securely under the dash to avoid it from sagging.

Operation

Re-engaging the STOP/START feature:

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

Technical Support

TIP If you encounter any difficulties during installation please carefully review the instructions and ensure that the installation was performed exactly as instructed.

Our dedicated team is here to provide you with expert assistance and guidance. Whether you're troubleshooting an installation, seeking product information, or looking for technical advice, we're committed to ensuring your experience with Metra Electronics products is seamless and satisfying.

WARNING Before contacting Metra Technical Support, ensure the vehicle is in a ready state to perform troubleshooting steps.

Contact

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Vehicle Fit Guide

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On this page

• AXSSO-FD | Installation Instructions
• → Interface Features
• → Interface Components
• → Required Tools & Accessories
• Applications
• Programming
• Connections
• From the Wiring Harness in the Vehicle Behind the Radio
• From the OBD2 Dash Connector
• Operation
• Technical Support
• Contact
• Hours (EST)