08-028-19 REV. A

Flash: Battery Pack Control Module (BPCM) Updates This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DTCs have been set: If DTCs, P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closed and P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance is set together, follow the published service diagnostic information for P0AA1-00 before proceeding further with this bulletin. If DTC, P0AC0-00 is set without P0AA1-00, proceed with the bulletin. P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance. P1AEC - MCPA HV Battery Voltage Sensor Circuit Performance.