Set Condition

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.

The Powertrain Control Module (PCM) detects that the difference between the actual O2 Sensor Heater element resistance/temperature and the target resistance/temperature is not within a calibrated threshold with the O2 Sensor heater duty cycle above 89.8% for 90.0 seconds.