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Freedom CAN-BUS Gauge (OBDII) FAQs

  • Are Freedom CAN-BUS gauges are compatible with my vehicle? How can I tell if my ECU supports the CAN protocol?

    Freedom CAN-BUS gauges require an ECU that supports the CAN (J1979) protocol. Freedom CAN-BUS gauges operate by receiving data from the ECU (Engine Control Unit) through the OBDII wiring. Before purchasing a Freedom CAN-BUS gauge, please research your vehicle to identify whether it will support b...
  • Can I use a OBDII device/tool and Freedom CAN-Bus gauges at the same time?

    Speedhut Freedom CAN-BUS gauges (individual or daisy chained) will not function when used in conjunction with any other OBDII device. Cycle the gauge power to restore proper gauge function.
  • How do I set up Freedom CAN-Bus gauges?

    Freedom CAN-Bus gauges run off your vehicles OBDII system using the CAN (J1979) protocol. These gauges can only be used on 2008 and newer vehicles (All vehicles 2008 and newer are required to be compatible with the CAN (J1979) protocol). Freedom CAN-Bus gauges CANNOT be connected to a sender or a...
  • What Freedom CAN-Bus gauges work with a Ford ECU?

    Check with your dealer for more information about what types of output are supported.The following gauges will NOT work with Ford ECUs:Freedom CAN-BUS Oil Pressure GaugesFreedom CAN-BUS Oil Temperature GaugesFreedom CAN-BUS Trans Temperature GaugesThe following gauges will work with all ECUs with...
  • Why won’t the CAN-bus gauge power on?

    Each Freedom CAN-bus gauge needs 12 volt DC power to operate. Connect the (Red, White, and Black*) power distribution cable to 12 volt DC power. The OBDII connection does not provide power to the gauge. *Red - +12 volts keyed ignition [main gauge power]White - +12 Volt Dash Lighting [pointer ligh...