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 Diagnostic
Trouble Codes (DTCs) set in the PCM memory:
· **P1D83 - Implausible Engine Oil Temperature Signal Received.**
· P0456 - EVAP System Small Leak.
· P0335 - Crankshaft Position Sensor Circuit.
· U0402 - Implausible Data Received From TCM - (Transmission Control Module).**
· B10EA - Blower Motor Control Circuit High.
· B10E9 - Blower Motor Control Circuit Low.
· P0441 - EVAP Purge System Performance.
· P0116 - Engine Coolant Temperature Sensor Performance.
· P2067 - Fuel Level Sensor 2 Circuit Low (International Only).
In addition the customer may notice one of the following conditions:
· **A push sensation when the transmission is downshifting from eighth to seventh
gear.**
· Vehicle shudder at stop/start with A/C on.
