Flash: Power Inverter Module (PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp...

Bulletin number

08-177-25 REV.A

Component

Electrical system

Summary

Flash: Power Inverter Module (PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0BBD-00 - Hybrid Battery Pack Voltage Variation Exceeded Limit. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. Customers may experience one or more of the following: ● Reduced fuel efficiency. ● Rough idling or Engine misfires. ● Inconsistent or erratic performance. ● Electric Vehicle (EV) system shuts down while transferring over to Internal Combustion Engine (ICE) motive power. Engine Stop Start (ESS) function will also not operate as a result of this condition. ● "Service Hybrid System" message displays on the Instrument Panel Cluster (IPC). ● Wrench icon displays on the IPC This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as PIM, with the latest available software

Owners of these vehicles have filed 144 complaints in the electrical category.