having a engine fault come up on the dash i plugged my reader into the obd2 socket but there was no power i bought a new reader but still no power i checked Fuse F43 and it had blown i changed it and checked Fuse F16 it was ok when i switched the ignition back on the car would not turn over the steering lock came on and the key fob didnt work so i disconnected the battery and rechecked Fuse F43 and F16 both were ok i reconnected the battery and the car started as normal with no issues but still no power to the obd2 socket help required