Flash: 6.4L Powertrain Diagnostic And System Enhancements
This bulletin involves reprogramming the Powertrain Control Module with the latest
available software.
The technician may find the following Diagnostic Trouble Code (DTC) set in the Powertrain
Control Module (PCM) memory:
? U0140 - Lost Communication With Body Control Module
NOTE: Attempting to clear this DTC will be unsuccessful.
