Cummins isc gremlins

If ECM lost power, you will see multiple counts of inactive code 1117

 

Sounds like your engine idle shutdown feature is enabled…check parameters on INSITE and see how many seconds it shuts the engine down on

 

Perhaps try to disable the idle shutdown feature in parameters and see if that makes a difference?

 

I would begin by load testing the ECM powers and grounds with load pro or a sealed beam light. Rubs, green wires or bad connections in ECM power circuits are common.

Could be the ECM. But how many times have we all changed an expensive part and no go.

 

Doesn’t sound like an ECM to me. If it runs clean for about 3 minutes every time and then shuts off with a “lost power” code, that’s almost always a power or voltage issue to the ECM, not the ECM itself. common stuff is bad grounds (Petes are known for it), lose or corrode battery cables weak ignition power feed, bad relay, or even an alternator not holding charge.

Watch your voltage while it’s runnin if it drops before it dies, that’s your answer. Iclean all grounds, check battery connections, and swap the ECM relay before even thinking about an ECM. 9 times out of 10 it’s something simple in the power side.