FDG Coolant Scare on 2016 Ford CMax Energi Part 1

In this unplanned video we drive 35 miles to investigate a sudden but subtle loss of coolant on a 2016 Ford C Max Energi, a plug in hybrid. The symptom was no heat while driving. It is throwing a P2601 Code. We see if we can limp it home to get it to our mechanic.
Sometimes the Check Engine Light is serious and requires immediate attention.
For Part 2, see: • Part 2 about Coolant S...