Flash: 3.6L Or 2.4L Diagnostic and System Improvements
This bulletin involves updating the Powertrain Control Module (PCM) software.
The 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:
2.4L Engine
? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1.
? U0140 - Lost Communication With Body Control Module.
? Improve alternator control at Idle.
3.6L Engine
? U0140 - Lost Communication With Body Control Module.
? P0300 - Multiple Cylinder Misfire.
? P000A - Bank 1 Camshaft 1 Position Slow Response.
? P000B - Bank 1 Camshaft 2 Position Slow Response.