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18-228-25R

Manufacturer communications

Publication date
2025-12-08
Received by NHTSA
2026-01-06
NHTSA record numbers
11027081

Manufacturer summary

Original wording in English

This bulletin announces the diagnostic procedures to be used when DTCs P2096 (POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1) and P2097 (POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1) are detected by the Engine Control Module (ECM).

NHTSA manufacturer communications ↗

Reported code forms

P2096P2097

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
SubaruIMPREZA2022
SubaruIMPREZA2021
SubaruIMPREZA2020
SubaruIMPREZA2019
SubaruLEGACY2025
SubaruLEGACY2024
SubaruLEGACY2023
SubaruLEGACY2022
SubaruLEGACY2021
SubaruLEGACY2020
SubaruLEGACY2019
SubaruLEGACY2018
SubaruLEGACY2017
SubaruLEGACY2016
SubaruLEGACY2015
SubaruOUTBACK2025
SubaruOUTBACK2024
SubaruOUTBACK2023
SubaruOUTBACK2022
SubaruOUTBACK2021
SubaruOUTBACK2020
SubaruOUTBACK2019
SubaruOUTBACK2018
SubaruOUTBACK2017
SubaruOUTBACK2016
SubaruOUTBACK2015
SubaruWRX2025
SubaruWRX2024
SubaruWRX2023
SubaruWRX2022

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