P2254-00-O2 Sensor 2-1 Negative Current Control Circuit-Open: Notes
WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer L and 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
For a complete CATALYST MONITOR SYSTEM wiring diagram, refer to the appropriate System Wiring Diagram article .