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 one or more of the following DTCs have been set:P0456 - EVAP System Small Leak. P0128 - Thermostat Rationality. The following software enhancement is included:Enable Soot Retention for vehicles equipped with Gasoline Particulate Filter (GPF).
