Dodge Code P0038
The Dodge Code P0038 is a Powertrain Control Module (PCM) code associated with the O2-SENSOR 1/2 HEATER CIRCUIT HIGH. This code is related to the Positive Temperature Coefficient (PTC) element inside the O2 Sensor to attain the fastest possible temperature rise and to control the steady-state temperature of the O2 Sensor. The Powertrain Control Module