18-050-20

Powertrain Control Module (PCM) Replacement - P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) This bulletin involves replacing the Powertrain Control Module (PCM) and re-programming with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory:P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation).