JEEP
18-058-25 REV. A
Manufacturer communications
- Publication date
- 2025-08-30
- Received by NHTSA
- 2025-09-04
- NHTSA record numbers
- 11022559
Manufacturer summary
Original wording in English
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.*
• 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.*
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P04B5Fuel Fill Door Stuck OpenJeep
P0B24Hybrid Battery 'A' Voltage UnstableJeep
P0BBDHybrid Battery Pack Voltage Variation Exceeded LimitJeep
P1CEABoost Side Evap Purge System PerformanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | WRANGLER 4XE | 2025 |