08-081-26

Flash: Auxiliary Hybrid Control Processor (AHCP) / Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0E15-00 - Hybrid-EV Battery Pack Coolant Heater A Control Performance.
• P29BB-00 - Hybrid-EV Battery Pack Coolant Heater A Control 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.
• Loss of heat from the engine. This bulletin involves reprogramming the AHCP and then the HCP with the latest available software.