I have a 2018 that is doing to same thing. I’m trying to figure out witch of the control boards are not working. I am taking a start relay apart to try and find if it is the positive or negative to the start relay that is not there and causing no crank. I mean I’m going to put test points from...
Have a 2018 eco no crank. Replaced start relay and bypassed relay and then have crank. It’s been cold here. -20 cels. Battery looks good and tried to boost. What is causing the start relay to not pull in??