Service bulletins for the 2022 Subaru Ascent
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.
319 on file from NHTSA, as of 2026-10-19.
About B2255 on the 2022 Subaru Ascent: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B2255 are shown. Show all
| 18-225-22R | 2024-04-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable. |
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| 18-225-22R | 2023-11-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected. |
| 18-225-22R | 2022-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected. |
| 18-225-22 | 2022-07-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.