Flash: Powertrain Diagnostic And System Enhancements
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 that the following Diagnostic Trouble Codes (DTCs)
have been set:
· **P0305 - Cylinder 5 Misfire.**
· P0300 - Multiple Cylinder Misfire.
· P0335 - Crankshaft Position Sensor Circuit.
· P0306 - Cylinder 6 Misfire.
The following enhancements are also included in this software update:
· Cruise control calibration improvement.
· Improved engine misfire calibration on automatic transmission vehicles.
