Fault code for glow plug relay P0380 replaced glow plugs and relay (same fault) checked wiring from ecu to relay (all ok) It has a pwm signal to activate the relay & a return signal to the ecu. When i checked it with a good known i have found a problem with the return signal but don't know what is c...

I have 2013 Ford Ranger 3.2L Diesel. The fault code is P0341-62 and will not clear. I have all the valve timing alignment tools and have checked it multiple times, but from the good known scope patterns it appears that my timing is out. I have fitted a new crank and cam sensors but still get the sam...