When Monitored and Set Condition

DTC P0137: O2 Sensor 2/2 Above Threshold

• When Monitored: Start and drive vehicle greater than 32 km/h (20 MPH) and less than 89 km/h (55 MPH). Throttle open for a minimum 120 seconds. Coolant Temp greater than 70°C (158°F) and Catalytic Converter Temperature greater than 600°C (1112°F).
• Set Condition: The O2 sensor voltage switches only 11 times or less from lean to rich within 20 seconds during monitoring. Two Trip Fault.

DTC P0137: O2 Sensor 2/2 Below Threshold

• When Monitored: Start and drive vehicle greater than 32 km/h (20 MPH) and less than 89 km/h (55 MPH). Throttle open for a minimum 120 seconds. Coolant Temp greater than 70°C (158°F) and Catalytic Converter Temperature greater than 600°C (1112°F).
• Set Condition: The O2 sensor voltage switches only 11 times or less from rich to lean within 20 seconds during monitoring. Two Trip Fault.