Flash: 3.0L Powertrain Diagnostic And System Enhancements EGR System And AC
Compressor Relay Operation
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
The following powertrain system improvements/enhancements are included in this
software release.
? Enhancements to improve A/C compressor relay duty cycle operation to prevent
ignition off battery draw.
? Powertrain system improvements to enable EGR cleaning routine.
? Software to eliminate Malfunction Indicator Lamp (MIL) Illumination with no defect
found for Diagnostic Trouble Code (DTC) P016A-00 - Excessive Time To Enter
Closed Loop Air/Fuel Ratio Control.
