Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...

Bulletin number

18-106-25

Component

Engine

Summary

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected (In Active or Stored status). ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Performance (In Active or Stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (In Active or Stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (In Active or Stored status). ● U0673-00 - Lost Communication With Ion Sense Module (In Active or Stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off (In Active or Stored status). ● P1CEA-00 - Boost Side EVAP Purge System Performance (In Active or Stored status). ● P0E7E-00 - Coolant Bypass Valve B Control Circuit (In Active or Stored status). Customers may also experience the following: ● High oil level indicator illuminated on the Instrument Panel Cluster (IPC). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software

Owners of these vehicles have filed 13 complaints in the engine category.