08-025-23

Flash: Hybrid Control Processor (HCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P1C64 - Hybrid Perf Engine Speed Below Target During Autostart. U0402 - Implausible Data Received From TCM. Customers may also comment on one or more of the following: During an Engine Stop/Start (ESS) event, the autostart fails and the AutoPark engages. Transmission is in Limp Mode. This bulletin involves updating the HCP with the latest available software.