08-079-26 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.
• P06E4 - Control Module Wake-Up Circuit Performance.
• P2797-00 - Auxiliary Transmission Fluid Pump Performance.
• P07B5-00 - Park Pawl Position Sensor 1 Circuit Performance.
• P177C-00 - Park Lock-Pawl Actuator Motor Current Sensor Performance.
• P288B-00 - Park Lock-Pawl Actuator Circuit Performance. Customers may also comment on one or more of the following:
• Vehicle does not start / engine does not crank.
• Extended engine cranking time when starting the vehicle.
• Engine turns on when requesting cabin heat to turn on.
• Loss of heat from the engine.
• Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered in certain states.
• Vehicle will not start when it is cold (-30°C / -22°F and below).
• Heard and/or felt bump when the gas engine turns on while driving. This software release includes the following software enhancement:
• Corrections to allow the vehicle to clear the permanent fault codes. This bulletin involves reprogramming the **HCP and then the AHCP** with the latest available software.