Service bulletins for the 2021 Jeep Compass
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
334 on file from NHTSA, as of 2026-10-19.
About P0031 on the 2021 Jeep Compass: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0031 are shown. Show all
| 18-085-22 | 2022-06-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); SERVICE BRAKES; ELECTRICAL SYSTEM. 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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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.