18-072-16

"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.