I drove to autozone to do my shift while I replaced the plenum plate on my 01 Ram 2500 with the 5.9. I got everything back together and found out I was getting no fuel pump and no spark. A buddy found I was getting the no bus message so i’ve been rechecking everything I did and figured out I pinched the camshaft position sensor. I replaced that but i’m still getting the message. I’m getting 5v to all sensors and a good ground. I can’t connect to the obd2 port to scan codes but i am getting power to the 3 and 11 pin. All fuses and relays are good. I’m completely stumped as I’ve gone through most of these forums.

 

Did you pinch the harness side of the cam sensor wiring as well???

 

No, only the pigtail side

 

What brand cam sensor did you buy? These trucks are notorious for being REALLY picky about their sensors..... That, and part quality in general has declined dramatically in the last couple years.... Too many mergers/buyouts....

Unlplug the cam sensor, turn the ignition on, is the no-bus gone??

 

Still there, it was the TEMKKEN brand. Got it off amazon

 

Never heard of 'em.

Ok, there are a bunch of sensors on the five volt circuit... including the O2 sensors, so, start unplugging them one at a time, and see if your dash comes back to life.

 

Ended up being the computer, thanks man

 

How did you remedy that? Used or aftermarket or something else?