Flash: Powertrain Diagnostic And System Improvements
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest
available software.
A small number of customers may experience a Malfunction Indicator Lamp (MIL)
illumination. Upon further investigation, the technician may find the following DTCs set in
the PCM memory:
· **U0140 - Lost Communication With Body Control Module (BCM) (10-12 MY only).
· Auto Shutdown (ASD) Relay Enhancements To Improve Fuel Pump Relay
Initialization At Key On - (10-12 MY only).**
· P0401 - EGR System Performance.
In addition the customer may notice one of the following conditions:
· Hard to start, long crank time or even a no start. The customer may describe that If
the gas pedal is pushed slightly the vehicle starts as expected (11 MY KA only).
