When Monitored
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. 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:
- Battery voltage between 10.5 and 15.75 volts.
- The O2 Sensor Heater is commanded on.
- The O2 Sensor Heater circuit high fault is not active.