I have a 2000 Durango with a 5.9 engine that stalls unexpectedly. The stalling has occured at speeds of as little as 15 mph up to 70 mph. When it stalls, the engine just quits, the guages stop working and "No Bus" appears in the odometer section. Sometimes it will restart immediately and sometimes it will be 45 minutes or more before I can restart it. It has not been providing any codes.

I have already replaced the PCM at the advice of a mechanic but that did not fix the problem. Does anyone have any idea what could be causing the issue? I don't want to have to put a bunch of money into the vehicle but I would like to fix it.

Thanks

 

It's probably either a bad ground or a bad sensor dragging the 5v voltage down from the PCM. You can check it by reading the voltage at the TPS or map sensor. With the engine off it should be about 4.5-5v. This voltage is a reference voltage from the PCM. If it's very low, it's probably a bad sensor (not necessarily the one your using to test the voltage). Just start unplugging them one at a time (Crank position, TPS, etc) and see if the voltage returns to normal. If it does, you found a bad sensor.