When Monitored

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs continuously when the following conditions are met:

Cold start condition after previous engine off time of more than 200 minutes.
Ambient Air temperature above -7°C (19.4°F).
The difference between the ECT Sensor and AAT Sensor readings at start up is less than 15°C (27°F).
The High Voltage Battery is capable of being charged.
Engine speed at 1400 RPM +/- 100 RPM for 20 seconds.