When Monitored

This diagnostic runs continuously when the following conditions are met:

• With the engine running.
• Battery voltage between 11.0 and 16.0 volts.
• There are no active Battery system or ASD Relay faults.
• There are no active Charge Air Cooler (CAC), Inlet Air Pressure (IAP) Sensor, or Intake O2 Sensor Heater circuit faults.
• Charge Air Cooler temperature is above 200°C (392°F).
• O2 Heater Control is active.