Code Enable Criteria

• Engine has been running for more than 4 minutes.
• Engine coolant temperature is more than 167°F (70°C).
• Engine is speed is 550-3000 RPM.
• Airflow is 8-35 grams/second.
• Throttle angle is 3-35 percent.
• Ignition voltage is 9-18 volts.
• DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0410, P0440, P0442, P0443, P0446, P0449, or DTC P1441 are not set.

DTC sets when PCM detects an active sensor with an improper HO2S voltage amplitude.