Network Interfaces

  • Your Garmin SERV™ device uses a Controller Area Network (CAN) interface to connect to compatible devices on your vehicle. This interface is required for proper equipment operation and cannot be disabled.

  • Your Garmin SERV device uses an Ethernet interface to communicate with other devices on your vehicle. This interface is required for proper equipment operation and cannot be disabled.

  • Your vehicle manufacturer may have configured your Garmin SERV device to act as a Wi‑Fi® access point.

  • The following services are enabled on your Garmin SERV network interfaces by default:
    • Garmin proprietary services

    • mDNS

    • Depending on the installation prepared by your vehicle's manufacturer, additional services may also be available on your Garmin SERV network interfaces, including HTTP and DHCP servers.

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September 2025