P112D on the 2016 Jeep Cherokee
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 18-068-16 | 2022-08-08. Service bulletin. 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. |
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| 18-029-16 | 2018-06-11. Service bulletin. Flash: 2.0L And 2.2L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: · **P112D-00-O2 - Sensor 2/1 Pumping Overcurrent.** In addition, the customer may notice the following condition: · ?Engine Stop Start Not Available? message in the Instrument Panel Cluster (IPC) after disconnecting the vehicle?s battery. |
| 18-029-16 REV. A | 2018-06-11. Service bulletin. Flash: 2.0L And 2.2L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: · P112D-00-O2 - Sensor 2/1 Pumping Overcurrent. In addition, the customer may notice the following condition: · ?Engine Stop Start Not Available? message in the Instrument Panel Cluster (IPC) after disconnecting the vehicle?s battery. |
| 18-068-16 | 2018-06-11. Service bulletin. 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. |
| 18-068-16 | 2016-09-14. Service bulletin. " 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. " |
5 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.