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

Bulletin number

08-263-24

Component

Electrical system

Summary

"Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes (DTCs): ● P0ADB-00 - Hybrid/EV Battery Positive Contractor A Control Circuit Low. ● P0AE2-00 - Hybrid/EV Battery Precharge Contactor Circuit 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. ● Battery range incorrect. This bulletin also includes the following software enhancement: ● 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 performing a Wheel End Disconnect Position Learn routine. "

Owners of these vehicles have filed 21 complaints in the electrical category.