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:
? P0133 - O2 Sensor 1/1 Slow Response.
In addition, some customers may describe that the engine is overheating based on the
engine oil temp gauge read out. Software improvements include an engine oil temperature
gauge level recalibration to avoid the misperception of an engine overheating condition.
