P205B Code: Easy Steps to Solve It
The P205B trouble code is a diagnostic trouble code (DTC) that indicates a problem with the “Reductant Tank Temperature Sensor Circuit Range/Performance.” This code is primarily associated with diesel vehicles equipped with selective catalytic reduction (SCR) systems, which utilize diesel exhaust fluid (DEF) to reduce nitrogen oxides (NOx) emissions. When the powertrain control module (PCM) detects that the temperature readings from the reductant tank temperature