All codes listed switch from active to inactive about every 30 seconds or so while running. Truck is derated on the dash but everything shows fine on Jpro… checked for obvious things but didn’t find anything. X15 KW T880
A tech replaced shift actuator on a 2016 cascadia. And it will not learn in diagnostic link. We’ve checked and triple check that it’s on right. But it will not complete learning process. We’ve tried unhooking batteries, rolling the truck around and every other thing we’ve read on the internet. Any buddy been down this road? What are the odds it’s a software update issue? We don’t have the normal diagnostic link we got a different style to allow more parameter changes
No codes smokes excessively on start up but once warms up runs normal. Passes all injector tests unless it’s cold then no change on cut out test for injectors 2 and 5