DTC P0030: 1/1 O2 Sensor Heater Circuit, DTC P0036: 1/2 O2 Sensor Heater Circuit, DTC P0050: 2/1 O2 Sensor Heater Or DTC P0056: 2/2 O2 Sensor Heater Circuit: Notes

WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: All DTCs listed above are diagnosed using the same test. For component location, see COMPONENT LOCATIONS . For connector identification, see CONNECTOR IDENTIFICATION . For circuit identification and wiring diagram, see WIRING DIAGRAMS article. After each repair procedure has been completed, reconnect all components. Perform POWERTRAIN VERIFICATION TEST VER-5 under VERIFICATION TESTS to ensure system is functioning properly.