"RSU With Additional Sleep Cycles for HV Battery Integrity Check

Bulletin number

08-072-25 REV. A

Component

Electrical system

Summary

"RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Motor Control Processor B (MCP B) Updates 11A1 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1626-00 - Park Pawl Motor Stuck. The customer may comment on one or more of the following symptoms: ● Wrench icon is illuminated on the Instrument Panel Cluster (IPC). ● Turtle icon illuminated on the IPC. ● Reduced power. ● Vehicle will not shift out of park. 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.