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:
? U0402 - Implausible Data Received From TCM.
? U1424 - Implausible Engine Torque Signal Received.
? P0133 - O2 Sensor 1/1 Slow Response.
? P0456 - EVAP System Small Leak.
? P0480 - Cooling Fan 1 Control Circuit/Open.
In addition, the customers may experience the following:
? A slight bump may be felt during the 4-5 shift, under light acceleration.
