Heated plastic fluid lines for thermal systems in a hybrid electric vehicle (H/EV) and use thereof

A method of heating a component in a hybrid/electric vehicle (H/EV) having a vehicle chassis thermal loop including a fluid, a circulation pump, and one or more lines through which the fluid flows, the method comprising

• heating a fluid located in a plastic heated line present in a thermal management system of the hybrid/electric vehicle;
• allowing the heated fluid to circulate through a component thermal loop;
• and
• heating the component to a temperature that is at or above a cold operating temperature predetermined for the component;
• wherein the thermal management system comprises:
• the component thermal loop comprising the fluid and one or more lines in contact with the component through or around which the fluid flows;
• the component thermal loop being coupled to the vehicle chassis thermal loop;
• and
• at least one of the vehicle chassis thermal loop and component thermal loop having at least a portion of the one or more lines being the plastic heated line.