code p0117 is on even when engine is cold. my scanner shows 302 degrees. I swapped the sensors. Same thing. There is voltage at sensor 1 but not at sensor 2
This points to an issue with the ETC. If there is no voltage at sensor two, it's likey a wiring issue. Here is some more in for you.
P0117 JAGUAR - Engine Coolant Temperature Circuit Low Input
Read more: https://www.autocodes.com/p0117_jaguar.html