I've the "Service High Voltage Charging System" error message. I've checked the battery coolant level is at the top. 5volts is coming from the wiring to the level sensor. The sensor reads 23k ohms and 5k ohms when a magnet is placed on it. On a you tube video there's a 15A large fuse underneath the car which says can trigger the error, but my 2012 model doesn't seem to have it. The service manual mentions checking a fuse in the F115 box. Where is this?