Kenworth T680 2016 MX-13 CAN communication issues

My truck still won’t start. Disconnected the camera but looks like it has some fuse/rely issue because it didn’t work. So my dealer told me that on Monday some paccar super specialist is coming to Phoenix to check my truck. If nothing - they will take the truck back. Drove international LT today just in case and….KW is actually better.
So hope he will be able to fix it

 

Okay, another update:
truck been at KW dealer for 1 week. Found NOTHING at all! They test drove it, I came there after and also drove it by myself. Everything was perfect. Paid 450 and took it home. On a very next day- same deal. So I gonna return the truck back to place I bought it from and get another one….. I don’t know guys. Nobody knows what is wrong with it…..
Still got a stupid choice: international with x15 or Volvo d13…. Sad…

 

can you please tell which harness you changed i have the same issue no one is abe to find the solution please let me know if u can

 

I have the same exact issues and I changed the harness. It’s still reoccurring and when I wash truck the abs and tcs light comes on. Truck will ride fine for a while but every once and again it’ll act up and transmission faults. I’m being told now it can be my abs module

 

More common to be a chassis related wiring issue in the ABS harness. Could be module but wire issues are 100 times more common. Especially when the issue is intermittent and occurs when wet out.

ABS fault will cascade into trans. ABS CAN fault on automated trans models.

 

Hate to bump an old thread but having a similar issue with my 18 t680. I’m throwing a u1104 and the j1939. Mines a manual but I still lose throttle response, clutch fan kicks on and wrench light stays on. Any tips or where to look? idk if removing my old ELD caused this issue or what, But it happened right after.