"RSU With Additional Sleep Cycles for HV Battery Integrity Check

Bulletin number

08-135-25

Component

Electrical system

Summary

"RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Integrated Dual Charging Module (IDCM) Updates 6A1 Customers may comment on one or more of the following: ● 12 volt battery lamp on the Instrument Panel Cluster (IPC) illuminated due to depleted 12 volt battery. ● Unable to charge at High Voltage Charging station at Level-1, Level-2 or DC Fast Charge. 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 27 complaints in the electrical category.