Description OBD-II Trouble Code Description for P0438 Alfa Romeo Catalyst Temperature Sensor High What does this mean? OBD2 Code P0438 Alfa Romeo definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of…
Tag: P0438
P0438 Acura Catalyst Temperature Sensor High Input Bank 2 Sensor 1
Description OBD-II Trouble Code Description for P0438 Acura Catalyst Temperature Sensor High What does this mean? OBD2 Code P0438 Acura definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of the most…