18-109-15

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.