Reductant Heaters
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The reductant heaters maintain the diesel exhaust fluid (DEF) in a liquid state during cold ambient temperatures. There are three heating elements in the system, each receiving voltage from the glow plug control module (GPCM). The reductant pressure line heater is integral to the reductant pressure line. The reductant tank heater is integral to the reductant heater and sender assembly. For additional information on the reductant tank heater, refer to the REDUCTANT HEATER AND SENDER ASSEMBLY DESCRIPTION . The reductant pump heater is integral to the reductant pump assembly. For additional information on the reductant pump heater, refer to the REDUCTANT PUMP ASSEMBLY DESCRIPTION .