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October 29, 2025 Service bulletin

Gasoline Particulate Sensor Lines Incorrect Routing Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 25-001-25 REV. A for 2023 Jeep Grand Cherokee 4xe.

Bulletin number
25-001-25 REV. A
Component
Fuel/propulsion system
Summary
Gasoline Particulate Sensor Lines Incorrect Routing 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): ● P226D - Particulate Filter Deteriorated/Missing Substrate Bank 1. ● P2453 - Particulate Filter Pressure Sensor "A" Circuit Range/Performance. Customers may experience the following: ● Check Engine warning lamp on in the Instrument Panel Cluster (IPC) This bulletin involves inspecting and possibly rerouting the gasoline particulate sensor lines.

Owners of these vehicles have filed 13 complaints in the fuel system category.

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