Flash: 2.0L Powertrain Diagnostic And System Enhancements
This bulletin involves selectively erasing and reprogramming the Powertrain Control
Module (PCM) with new software.
Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon
further investigation the technician may find one or more of the following Diagnostic
Trouble Codes (DTCs) has been set in the PCM memory:
? P0456 - Evap System Small Leak.
? P0116 - Engine Coolant Temperature Sensor 1 Performance.
? P1D73 - AGS Performance - (Active Grille Shutters).
? P1607 - PCM Internal Shutdown Timer Rationality - (Powertrain Control Module).
? P2610 - PCM Internal Engine Off Timer Performance - (Powertrain Control Module).
? U0140 - Lost Communication With Body Control Module.
? P0335 - Crankshaft Position Sensor Circuit.
? P000B - Exhaust Slow Response Bank 1.
? P050B - Cold Start Ignition Timing Performance.
? P2173 - High Airflow/Vacuum Leak Detected (Slow Accumulation).
In addition this software release includes improving the disable misfire monitor when
P0335 (Crankshaft Position Sensor Circuit) is present.
