P0031 on the 2021 Jeep Compass
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.
Nobody has written a description of this code yet.
| 18-085-22 | 2022-06-27. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of thefollowing DTCs have been set: P0031 - O2 Sensor 1/1 Heater Circuit Low. U0418-00 - Implausible Data Received From Brake System Control Module 1. Customers may experience the following: Long engine cranking prior to vehicle start more noticeable when the outsidetemperature is above 40 °c (104 °f). |
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1 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.