Deaks

Yes the ecm is under warranty, my biggest thing is finding what is causing this to happen. What’s the best way to go about trying to find the issue?

Voltage is normal, right at 14. Truck starts right up every time, just runs and idles rough. I proved the ecm for voltage to wait to start and when it would just flash I was only getting 4 or .4 volts, can’t remember it’s been a week or so. Now that it randomly works and then doesn’t has me confused. The shop couldn’t find anything wrong with the truck when the ecm went bad.

The last ecm was fried, it had an internal fault code. The shop I had it at checked all the grounds and went over everything and said it was all good. Now the wait to start light will sometimes work and then will just flash once other times. I’ve also got another code p0563.

I just replaced the ecm a couple months ago.

A week ago my wait to start light would flash when i turned the key on but would not power the grid heaters. I replaced the relays and the IAT. Now the truck is throwing codes P0382 P0380 P0237 P0341 P0113. I know what the codes mean but I was hoping someone had experienced this and could help with the diagnosis. Truck is running rough intermittently, at idle it is pretty rough and when driving it is hit and miss. I started the truck about an hour later and now the check engine light isn't on but it is still running rough. All help is appreciated. Thanks.