Re: e40d vss code
I don't have a wiring diagram. The best way is to probe the back of the connector, not the end that plugs into the sensor. If you probe the end where the sensor connects you can spread the pins and create an issue where there wasn't one before.
Former Ford Automatic Transmission Engineer
“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson