If you have passed all of the calibrations up to Wheel Lock on the ESi2 calibration and you get "Calibration Cancelled by User" message, please check the power connection. If it looks like the picture below, reroute the cable to the battery directly per the instructions. In this case, the user removed the power connectors and then separated the power line from the ground. As the picture shows, it was on a power bar that connects directly to the battery, but the cable had loose wires and we did not know where it was grounded to. It needs to be the chassis and not a random bolt in the cab. The wheel pulls 8 amps during this calibration. It either did not have enough power (amps), even though the M1 was showing 13 volts, or was improperly grounded. Once the power cable was connected directly to the battery, it passed all calibrations and the issue was resolved.