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

Bulletin number

08-022-25 REV. A

Component

Electrical system

Summary

"Flash: Battery Pack Control Module (BPCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more the following Diagnostic Trouble Codes (DTCs): ● P167B-00 - Controlled System Shutdown. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. 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. ● Battery range incorrect. 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. ● Improved battery State of Charge (SoC) accuracy in off-nominal conditions. This bulletin involves reprogramming the 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 1 complaints in the electrical category.