Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processer (AHCP) Diagnostic and System Updates
This bulletin involves updating the HCP and the AHCP with the latest available software. 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:P0CF3-00 - Control Pilot Circuit Open. P0CF4-00 - Control Pilot Circuit Performance. P0D57-00 - Proximity Detection Circuit Performance.