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, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:U1431 - Implausible Data Received From Cruise Control Module.P24B9 - EVAP System Leak Detection Pump Pressure
Sensor Circuit Range/Performance.
P0300 - Multiple Cylinder Misfire.
P1C64-00 - Hybrid Perf Engine Speed Below Target During Autostart.