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

Freightliner Cascadia cruise control can stop working when the truck detects an input, electrical fault, or operating condition that prevents the system from engaging or maintaining the selected speed. Common areas to investigate include the brake or clutch input, cruise control switches, electrical power supply, wiring and connectors, vehicle-speed or ABS-related signals, and electronic control … Read more