Some 2020-2023 Explorer/Aviator 3.0L plug-in hybrid electric (PHEV) vehicles may exhibit an illuminated malfunction indicator lamp (MIL) and/or powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P084B stored in the powertrain control module (PCM). This may be due to the software thresholds in the PCM. To correct this condition, perform the Service Procedure below to reprogram the PCM to the latest software level via the Ford Diagnosis and Repair System (FDRS).
This TSB is superceded by TSB 24-2082