Adding Pro Link and Pro Link+ CAN Bus Inputs

Messages from a 500 kbps CAN bus can be added to the data stream received by MPVI2 (via Pro Link) and MPVI2+/3 (via Pro Link+).

NOTE: In order to use this feature, you must have a Pro Feature Set license for the interface device you are using the Pro Link / Pro Link+ with.

Pro Link Pinouts

Wire Color





Analog 1: 0 - 5 V, 100 Hz Sampling Rate


Analog 2: 0 - 5 V, 100 Hz Sampling Rate


CAN High



Adding a CAN Bus Input

1. Connect the "high" output from the CAN bus to the ORANGE wire on the Pro Link cable.
2. Connect the "low" output from the CAN bus to the YELLOW wire on the Pro Link cable.
3. Ensure that your Pro Link Cable is properly attached to your MPVI2 (or later) interface device.
4. Connect the interface device to a USB port on your computer and to the OBD-II port on the vehicle.
5. Open VCM Scanner and connect to the vehicle.
6. If the Channels list is not already open, click the tab on the left edge of the screen to display it.
7. Click the icon in the Channels list. The Channel Selector window appears.
8. All of the folders after the Serial Port folder in External Inputs contain CAN bus inputs (listed by manufacturer). Double-click on the sensor that you want to add.

NOTE: If the sensor you wish to add is not listed, Contact HP Tuners Support to request that it be added.

The selected input should now appear in the Channels list.