What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P112DO2 Sensor 2/1 Pumping OvercurrentP112DO2 SENSOR 2/1 PUMPING OVERCURRENTManufacturer communications
4Original wording in English
JEEP
Reported code forms P112D
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…
JEEP
Reported code forms P112D
" 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…
JEEP
Reported code forms P112D-00
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…
JEEP
Reported code forms P112D-00
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…
Check vehicle applicability
2A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.