Freightliner

Freightliner automatic transmission problems commonly include hard shifting, delayed engagement, transmission slipping, failure to shift, getting stuck in gear, limp mode, and overheating. These problems can originate from low or degraded transmission fluid, electrical wiring and connectors, transmission sensors, control-system faults, excessive operating temperature, or internal mechanical wear. The same symptom does not always indicate … Read more

Freightliner cruise control can stop working when the system detects an incorrect brake or clutch input, loses electrical power, receives an invalid vehicle-speed signal, or encounters a control or engine-management fault. The exact cause depends on whether the cruise control will not turn on, turns on but will not set, disengages while driving, or works … Read more

A Freightliner bunk heater may stop working because of a blown fuse, low battery voltage, damaged wiring, a faulty controller, restricted airflow, a fuel delivery problem, or a failed heater component. The first diagnostic step is to identify how the heater is failing because a heater that will not turn on has different likely causes … Read more