DTC P0136, DTC P0137 & DTC P0138: 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 P0136: Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 2)
DTC P0137: Oxygen Sensor Circuit Low Voltage (Bank No. 1 Sensor No. 2)
DTC P0138: Oxygen Sensor Circuit High Voltage (Bank No. 1 Sensor No. 2)

NOTE:

These DTCs indicate abnormal voltage output from the heated oxygen sensor No. 2.
Sensor No. 2 is the sensor positioned in the 2nd location from the engine assembly, located after the front catalyst. See PARTIAL ZERO EMISSION VEHICLE under DESCRIPTION.