08-088-25 REV. B

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:
• U0168 - Lost Communication With Vehicle Security Control Module.
• P0629 - Fuel Pump Control Circuit High.
• P0171 - Fuel system Lean.
• P0087 - Fuel Rail Pressure Too Low - Bank 1. Customers may also experience one or more of the following:
• Vehicle not starting.
• Variable speed fuel pump doesn't start after refueling.
• The Instrument Panel Cluster (IPC) unable to calculate the instantaneous fuel economy under heavy acceleration.
• The oxygen sensor can give incorrect values when entering Electric Vehicle (EV) mode. False fault detection is possible when this event occurs.
• The rear half shafts are damaged due to accelerating in drive with the Electronic Parking Brake (EPB) applied. In addition, the following software enhancement is available:
• Improve robustness against false failures for P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin involves updating the PCM with the latest available software.