Conditions for Running the DTC

• DTC P0112, P0113, P040C, P040D, P041C or P041D is not set.
• The ignition has been OFF for greater than 8 hours.
• The engine is running.
• The ambient air temperature is greater than -7°C (19.4°F).

DTC P040F runs once per drive cycle when the above conditions are met.