I used to do truck repo years ago. Most trucks have a very simple lock set up, easily picked in seconds if you are remotely competent. I used to...
It sounds like the variable turbo vanes are not responding correctly. check to see if the clevis is still there, and not stuck (on the turbo)....
check the trans output yoke to see if it's loose. the yoke typically holds the tone ring for the speed sensor as well. if the yoke has come...
check the cables at the starter as well.
Check for power at the fan solenoid. should have 12v+ constant. the MCM switches the ground side to control the fan. circuit on, fan off....
The biggest issue I could see is getting the SAM Chassis and SAM cab to function without the MCM Basically, the engine controller, chassis...
Don't put it off. The replacement interval is not based on mileage alone. If it is calling for it, do it. Sometimes it pops the code at 150,000...
I find Freighliner Cascadias with the rear thrust angle out from the factory all the time. Also, sounds strange, but make sure you don't have a...
J1939 is offline. Google "diagnosing J1939", get and Ohm meter, and check it out.
FYI, the original poster's issue with "power surges" is likely the fuse in the fuse box located on the firewall, right near where the steering...
