18-023-20

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0780 - Gear Shift Malfunction. P050B - Cold Start Ignition Timing Performance. P06EF - Engine Restart Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. Customers may also comment on one or more of the following:Extended engine crank times or possibly a no start condition(South Korea with Sales Code EDD only). The engine fails to restart while in Engine Stop/Start (ESS) mode. This is usually accompanied withDTC P06EF.