1810116

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 the Technician may find that the following DTCs have been set: P0456 - EVAP System Small Leak (Sales Code EZC). P2610 - PCM Internal Engine Off Timer Performance (Sales Code EZC). U0140 - Lost Communication With Body Control Module (BCM).In addition, the following software enhancements are also available: Throttle Position Sensor (TPS) enhancements (Sales Code EZC). Transmission torque management enhancement when shifting from drive to reverse. Additional powertrain enhancements to the intake manifold Short Runner Valve (SRV) system. Additional powertrain enhancements for block heater applications (Sales Code NHK).