Flash: Powertrain Diagnostic And System Enhancements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with new
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:
**P0335 - Crankshaft Position Sensor Circuit.
P0456 - Evap System Small Leak.**
P219A - Bank 1 Air Fuel Ratio Imbalance.
P050B - Cold Start Ignition Timing Performance.
Other software enhancements included that will address some customers concerns:
Â· **Cruise control acceleration rate may be considered objectionable to some
customers if the accel button is held down.
Â· Engine is hard to start at temperatures -29Â°C (-20Â°F) for vehicles utilizing E15 fuel