Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the Diagnostic Trouble Code (DTC) listed below Set in the PCM.
* P2172 - High Airflow/Vacuum Leak Detected
* P1D73 - AGS Performance
* U0140 - Lost Communication With Body Control Module
