Flash: Powertrain Control Module (PCM) Updates
This bulletin involves reprogramming the PCM with the latest available software.
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following (DTCs) have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected
