# 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.

## Bulletins for this model year that name P0031

- [10214620](https://open.wenmarpro.com/bulletins/10214620), 2022-06-27: 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 \(104 °f\).