DTC P0037, DTC P0038, DTC P0043 & DTC P0044: Notes
WARNING: This page is about a different car, the 2003 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
Code Definition
- DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank No. 1 Sensor No. 2)
- DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank No. 1 Sensor No. 2)
- DTC P0043: Oxygen Sensor Heater Control Circuit Low (Bank No. 1 Sensor No. 3)
- DTC P0044: Oxygen Sensor Heater Control Circuit High (Bank No. 1 Sensor No. 3)
NOTE:
- These DTCs are recorded when a heated oxygen sensor heater circuit is not working properly.
- DTCs P0043 and P0044 have been added to meet the requirement for Partial Zero Emission Vehicle (PZEV). See PARTIAL ZERO EMISSION VEHICLE under DESCRIPTION.
- Sensor No. 2 is the sensor positioned in the 2nd location from the engine assembly, located after the front catalyst.
- Sensor No. 3 is the sensor positioned in the 3rd location from the engine assembly, located after the rear catalyst.