08-082-26 REV. A

Flash: Hybrid Control Processor (HCP) / Auxiliary Hybrid Control Processor (AHCP) 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):
• P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P16F0-00 - SPI Comm Hardware Fault.
• P16F1-00 - Internal SPI Communication. Customers may experience the following:
• Vehicle does not start / engine does not crank.
• Extended engine cranking time when starting the vehicle.
• Clunk noise heard while the vehicle is moving.
• Transmission fluid is leaking and may prohibit vehicle movement.
• Vehicle does not move when shifted into Drive or Reverse gear.
• Loss of heat from the engine.
• Vehicle may lose propulsion capability upon entering Ready Mode.
• Vehicle may lose propulsion while driving in electric mode. Prior to that, a warning message will appear in the cluster informing them to stop safely because the vehicle will be shutting down soon. After shutting down, the vehicle may not be able to start again. Failure may occur between driving cycles and may not start after trying to turn it on for the first time during a day. This bulletin involves reprogramming the **HCP and then the AHCP** with the latest available software.