Flash: 5.7L Diagnostic And System Improvements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated
software.
A small number of customers may experience one or more of the symptoms/conditions
listed below or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation
the Technician may find that any of the following Diagnostic Trouble Codes (DTCs) have
been set. If any of the following DTCs have been set, perform the Diagnosis.
? P0456 Evap System Small Leak.
? P2610 - PCM Internal Engine Off Timer Performance.
