Home18-230-26 · SUBARU
SUBARU

18-230-26

Manufacturer communications

Publication date
2026-05-01
Received by NHTSA
2026-06-01
NHTSA record numbers
11033051

Manufacturer summary

Original wording in English

This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).

NHTSA manufacturer communications ↗

Reported code forms

B1571B1572

Manufacturer wording

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

SubaruB1571
REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM

NHTSA 11033051

Check vehicle applicability

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

MakeModelModel year
SubaruFORESTER2020
SubaruFORESTER2019
SubaruFORESTER2018
SubaruFORESTER2017
SubaruFORESTER2016
SubaruIMPREZA2026
SubaruIMPREZA2025
SubaruIMPREZA2024
SubaruIMPREZA2023
SubaruIMPREZA2022
SubaruIMPREZA2021
SubaruIMPREZA2020
SubaruIMPREZA2019
SubaruIMPREZA2018
SubaruIMPREZA2017
SubaruIMPREZA2016
SubaruLEGACY2025
SubaruLEGACY2024
SubaruLEGACY2023
SubaruLEGACY2022
SubaruLEGACY2021
SubaruLEGACY2020
SubaruLEGACY2019
SubaruLEGACY2018
SubaruLEGACY2017
SubaruLEGACY2016
SubaruOUTBACK2025
SubaruOUTBACK2024
SubaruOUTBACK2023
SubaruOUTBACK2022

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