Freightliner Truck Fault Codes & Problems

Check Engine Light Freightliner Commercial Truck A Freightliner amber engine warning means the ECM has logged a fault. A J1939 … DEF System Fault Freightliner Commercial Truck A Freightliner DEF fault means the SCR system has detected a problem with diesel … DPF Regen Required Freightliner Commercial Truck A DPF regen required indicator means the diesel particulate filter is full of …