When Monitored
WARNING: This page is about a different car, the 2017 Jeep 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:
- With the engine running.
- Vehicle speed above 96 km/h (60 mph).
- Engine Coolant Temperature (ECT) Sensor value greater than 60°C (140°F).
- Catalytic converter temperature greater than 600° C (1112° F).
- Downstream oxygen sensor in a rich state.
- During a decel fuel shutoff event, the downstream oxygen sensor should switch from rich to lean within a specific time.