18-058-25 REV. A

Flash: Powertrain Control Module (PCM) 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 - Hybrid Battery Pack Voltage Variation Exceeded Limit.
• P0B24 - Hybrid Battery 'A' Voltage Unstable.
• P1CEA - Boost Side Evap Purge System Performance.
• P04B5 - Fuel Fill Door Stuck Open. Customers may comment on one or more of the following:
• Reduced fuel efficiency.
• Rough idling or engine misfires.
• Inconsistent or erratic performance.
• Warning lights on the Instrument Panel Cluster (IPC) (e.g. hybrid system warning light) *This bulletin involves inspecting the PCM software level and possibly reprogramming the PCM with the latest available software.*