"Flash: Battery Pack Control Module (BPCM) Updates 6A1 Customers may experience a Malfunction Indicator...

Bulletin number

08-025-25 REV. B

Component

Electrical system

Summary

"Flash: Battery Pack Control Module (BPCM) Updates 6A1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0DE6 - Hybrid/EV Battery Pack Cell Voltage Low. NOTE: Active or stored. ● P1DAF - Incompatible Limp In Action Requested. NOTE: Active or stored. ● P1CDE – Hybrid/EV Wakeup Control 2 Output Circuit Short to Ground. ● P1CDA – Hybrid/EV Wakeup Control 1 Output Circuit/Open. ● U00C6 – Lost Communication With AIR Pressure Sensor. ● P0F00 - Hybrid/EV Battery Module 1 Performance. ● P0F01 - Hybrid/EV Battery Module 2 Performance. ● P0F02 - Hybrid/EV Battery Module 3 Performance. ● P0F03 - Hybrid/EV Battery Module 4 Performance. ● P0F04 - Hybrid/EV Battery Module 5 Performance. ● P0F05 - Hybrid/EV Battery Module 6 Performance. ● P0F06 - Hybrid/EV Battery Module 7 Performance. ● P0F07 - Hybrid/EV Battery Module 8 Performance. ● P0F08 - Hybrid/EV Battery Module 9 Performance. ● P0F09 - Hybrid/EV Battery Module 10 Performance. ● P0F0A - Hybrid/EV Battery Module 11 Performance. ● P0F0B - Hybrid/EV Battery Module 12 Performance. ● P0F0C - Hybrid/EV Battery Module 13 Performance. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. NOTE: If the following DTCs are present/active in the BPCM, Battery Pack replacement will be required. Guided Diagnostics will prompt you for the repair action if the diagnostic is present on the vehicle. ● P0ADB-00 - Hybrid/EV Battery Positive Contractor A Control Circuit Low. ● P0AE2-00 - Hybrid/EV Battery Precharge Contactor Circuit Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor ""A"" Stuck Closed. ● P0FF8-00 - Hybrid/EV Battery Precharge Contactor Circuit ""B"" Stuck Closed. Customers may also comment on one or more of the following: ● Wrench icon is illuminated on the Instrument Panel Cluster (IPC). ● Vehicle will not enter Drive Ready Mode. This bulletin also includes the following software enhancements: ● Bootloader update to prevent battery disconnect unit damage. ● Improvements in detecting pre-existing battery disconnect unit damage. ● Charging related enhancements that may lead to DTC P0CA6 falsely setting. This bulletin involves reprogramming the IDCM, BPCM, MCP A, MCP B and the EVCU with the latest available software and then, if needed, performing a Wheel End Disconnect Position Learn routine"

Owners of these vehicles have filed 16 complaints in the electrical category.