JEEP · 2025-08-21
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P24B9 - Evap System Leak Detection Pump Pressure Sensor Circuit Range/Performance. ● P1CEA - Boost Side Evap Purge System Performance. Customers may experience the following: ● Check Engine warning lamp on in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.