Code Enable Criteria

• Coolant temperature is more than -40°F (-40°C).
• Air temperature is more than 19°F (-7°C).
• Engine has run more than 4 minutes.
• VSS average is more than 15 MPH over key cycle.
• Mass Airflow (MAF) average reading is more than 23 grams/second.
• Vehicle has been driven more than 3 miles.
• DTCs P0100, P0101, P0103, P0110, P0111, P0112, P0113, P0117, P0118, P0125, P0500, P0502, P0503, P1114, or P1115 are not set.

DTC sets when time for engine coolant to reach a preset temperature is more than necessary.