Flash: Diagnostic And System Improvements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
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
· **P0335 - Crankshaft Position Sensor Circuit.
· P0301 - Cylinder 1 Misfire.
· P0302 - Cylinder 2 Misfire.
· P0303 - Cylinder 3 Misfire.
· P0304 - Cylinder 4 Misfire.
· P1607 - PCM Internal Shutdown Timer Rationality - (Powertrain Control Module).
· P2610 - PCM Internal Engine Off Timer Performance - (Powertrain Control Module).
· P0456 - EVAP System Small Leak.**
· P0441 - EVAP Purge System Performance.
· P0443 - EVAP Purge Solenoid Circuit.
· P0116 - Engine Coolant Temperature Sensor Performance.
· P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1.
· U0140 - Lost Communication With Body Control Module (BCM).
In addition, the following software enhancement is available: Improved alternator control at
idle.
3.6L Engine
· **P0335 - Crankshaft Position Sensor Circuit.
· P2610 - PCM Internal Engine Off Timer Performance.
· P0456 - EVAP System Small Leak.**
· P0300 - Multiple Cylinder Misfire.
· P000A - Bank 1 Camshaft 1 Position Slow Response.
· P000B - Bank 1 Camshaft 2 Position Slow Response.
In addition, the following software enhancement is available: Improved shift quality.
