# Service bulletin 25\-001\-25

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11023608
- Published by NHTSA: 2025\-10\-02
- Manufacturer's number: 25\-001\-25
- Manufacturer's date: 2025\-09\-26
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Not applicable to vehicles built for US market. 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023608-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023608-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Trouble codes named

P226D, P2453

## Vehicles listed

- 2023 JEEP GRAND CHEROKEE
- 2023 JEEP GRAND CHEROKEE 4XE
- 2023 JEEP GRAND CHEROKEE L

JSON: [/v1/bulletins/11023608](/v1/bulletins/11023608)

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