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. Upon further investigation the technician may find the following Diagnostic
Trouble Codes (DTCs) set in the PCM memory:
2015 UF Vehicles, built on or before October 21, 2014 (MDH 1021XX).
? P2172 - High Airflow/Vacuum Leak Detected.
? P1D73 - AGS Performance.
? U0140 - Lost Communication With Body Control Module.
2015 PF Vehicles, built on or before January 08, 2015 (MDH 0108XX).
? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and
the temperature is between °10F to °40F (-12C to 4.5C).
? P219A - Bank 1 Air-Fuel Ratio Imbalance.
? P2172 - High Airflow/Vacuum Leak Detected.
? P1D73 - AGS Performance.
? U0140 - Lost Communication With Body Control Module.
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 Detected.
? P1D73 - AGS Performance.
? U0140 - Lost Communication With Body Control Module.
