18-068-16

MIL Illumination: DTCs P112C and/or P112D This bulletin involves replacing the Post Catalyst Position O2 Sensor. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) stored or active: · P112C - O2 Sensor 2/1 Pumping Undercurrent. · P112D - O2 Sensor 2/1 Pumping Overcurrent.