DTC Description: Notes
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The Diesel Exhaust Fluid (DEF) Tank has an internal heating coil to thaw frozen diesel exhaust fluid. The DEF Control Unit monitors the temperature of the diesel exhaust fluid in the tank. The DEF Control Unit activates the DEF Tank Heater, at freezing temperatures, to warm the Diesel Exhaust Fluid. The DEF Tank Heater is integrated into the DEF dosing unit. It must be replaced with the DEF Supply Pump assembly.