Service bulletins for the 2021 Subaru Crosstrek
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.
352 on file from NHTSA, as of 2026-10-19.
About B145C on the 2021 Subaru Crosstrek: what the code means, and the bulletins and recalls about the same components.
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By component
By trouble code
Only bulletins with trouble code: B145C are shown. Show all
| 18-225-24 | 2024-10-02. Service bulletin. ELECTRICAL SYSTEM. This Bulletin announces the diagnostic procedures to be followed when diagnosing DTC B145C (Heat Pump ECU Communication). |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.