August 30, 2025 Service bulletin

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 18-058-25 REV. A for 2025 Jeep Wrangler 4xe.

Bulletin number: 18-058-25 REV. A
Component: Electrical system
Summary: 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.

Owners of these vehicles have filed 9 complaints in the electrical category.

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