08-177-25 REV.A

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