Subaru TSB #09-110-23R

2019 Subaru Crosstrek

TSB Document:

Affected Component: EQUIPMENT

Summary
This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM).

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Date Published
NOV 07, 2023
NHTSA TSB #
10246083
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