Freightliner Def Line Heater Location
Webi have a code for heater line 1 open circuit. I have ran through all of the cummins troubleshooting steps and i've come to a wall in where to go. The heater electrical connectors are located near the def line couplings. Check for multiple codes. Webjan 4, 2022 · ohm test and load test the wiring from the ecm to the def dosing unit.
You most certainly have a rubbed or corroded wire or bad connection somewhere between. My voltage across the. Webthis diagnostic is typically line heater 3 open circuit. Diesel exhaust fluid (def) line heaters are internal of the def lines.
