"FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS
THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST
AVAILABLE SOFTWARE.
THE FOLLOWING POWERTRAIN SYSTEM IMPROVEMENTS/ENHANCEMENTS ARE INCLUDED IN THIS
SOFTWARE RELEASE. THESE ENHANCEMENTS ARE LISTED BY VEHICLE APPLICATION.
DS VEHICLES EQUIPPED WITH A 3.6L ENGINE (SALES CODE ERB).
· **U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS
DTC WILL BE UNSUCCESSFUL).
· ASD RELAY ENHANCEMENTS TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON -
(AUTO SHUTDOWN).**
· ENHANCED AUTOMATIC OIL CHANGE INDICATOR (EAOCI) SYSTEM IMPROVEMENTS TO SWITCH
TO A SEVERE DUTY CYCLE ALGORITHM ANYTIME THE PCM IS REPLACED TO ENSURE THE
CUSTOMER RECEIVES A TIMELY OIL CHANGE REQUIRED MESSAGE.
· CORRECTED A GENERIC SCAN TOOL DISPLAY ISSUE REGARDING MODE 6 DATA ACCURACY.
DS VEHICLES EQUIPPED WITH A 5.7L ENGINE (SALES CODE EZH).
· **U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS
DTC WILL BE UNSUCCESSFUL).
· ASD RELAY ENHANCEMENTS TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON -
(AUTO SHUTDOWN).**
· SYSTEM IMPROVEMENTS TO PREVENT MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION WITH
A DIAGNOSTIC TROUBLE CODE (DTC) P0300 - MULTIPLE CYLINDER MISFIRE WHEN USING A
BLOCK HEATER IN AMBIENT TEMPERATURES GREATER THAN -29°C (-20°F).
· ENHANCED AUTOMATIC OIL CHANGE INDICATOR (EAOCI) SYSTEM IMPROVEMENTS TO SWITCH
TO A SEVERE DUTY CYCLE ALGORITHM ANYTIME THE PCM IS REPLACED TO ENSURE THE
CUSTOMER RECEIVES A TIMELY OIL CHANGE REQUIRED MESSAGE.
· CORRECTED A GENERIC SCAN TOOL DISPLAY ISSUE REGARDING MODE 6 DATA ACCURACY.
DJ, DD, AND D2 VEHICLES EQUIPPED WITH A 5.7L ENGINE (SALES CODES EZC OR EZF).
· U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS
DTC WILL BE UNSUCCESSFUL).
· TRANSMISSION TORQUE MANAGEMENT ENHANCEMENT WHEN SHIFTING FROM DRIVE TO REVERSE.
