18-102-15

Flash: 6.4L Powertrain Diagnostic And System Enhancements 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 that the following Diagnostic Trouble Code (DTC) has been set in the PCM memory: ? U0140 - Lost Communication With Body Control Module (BCM) (Attempting to clear this DTC will be unsuccessful). ? P0573 - Brake Switch 1 Stuck Off.