Flash: 2.4L Powertrain Diagnostic and System Improvements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
A small number of customers may experience a Malfunction Indicator Lamp (MIL)
illumination or one or more of the following conditions. Upon further investigation the
technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM
memory:
2015 UF Vehicles with (Sales Codes ED6, ED8).
? Improved vehicle acceleration.
? P0480 - Cooling Fan 1 Control Circuit/Open.
? P0456 - Evap System Small Leak.
? U0402 - Implausible Data Received From TCM.
? Engine Startup Flare and Idle Surge.
? P2172 - High Airflow/Vacuum Leak Detected.
? P1D73 - AGS Performance.
? U0140 - Lost Communication With Body Control Module.
? P0441 - Evap Purge System Performance.
? P0116 - Engine Coolant Temperature Sensor 1 Performance.
? P050D - Cold Start Rough Idle.
2015 PF Vehicles with (Sales Codes ED6, ED8), built on or before July 24, 2015 (MDH
0724XX).
? Low Idle Speed After Cold Start between 14°F to 32°F (-10°C to 0°C).
? Cold Idle Surge With AC Engaged.
? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and
the temperature is between 10°F to 40°F (-12°C to 4.5°C).
? P219A - Bank 1 Air-Fuel Ratio Imbalance.
? P2172 - High Airflow/Vacuum Leak Detected.
? P1D73 - AGS Performance.
? U0140 - Lost Communication With Body Control Module.
? P0116 - Engine Coolant Temperature Sensor 1 Performance.
? P050B - Cold Start Ignition Timing Performance.
? P050D - Cold Start Rough Idle.
? P061A - Level 2 Torque Performance.
? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation).
2013-2014 PF Vehicles.
? P219A - Bank 1 Air-Fuel Ratio Imbalance.
? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open.
? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range.
? P2172 - High Airflow/Vacuum Leak Detec
