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 following Diagnostic
Trouble Code (DTC) set in the PCM memory:
? U0140 - Lost Communication With Body Control Module.
Customers may also describe one or more of the following conditions:
? Less than desired shift points during Wide Open Throttle (WOT) operation.
? Perceived misfire under normal acceleration.
Software update is also available for customers with vehicles equipped with Manual
Transmissions (DEH) to disable the starter protection feature for Rock Crawling.
