Subaru Ascent 2023–2025 — technical service bulletin
Bulletin 15-324-25 · NHTSA communication 11016207 · issued Mar 18, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2025
model years
17
vehicle entries
Official summary
This Service Information Bulletin details a new procedure for conducting a CommCheck on vehicles equipped with a GEN 3/GEN 3+ DCM.
Vehicles covered
- 2023 Subaru Ascent
- 2024 Subaru Ascent
- 2025 Subaru Ascent
- 2023 Subaru Crosstrek
- 2024 Subaru Crosstrek
- 2025 Subaru Crosstrek
- 2025 Subaru Forester
- 2023 Subaru Impreza
- 2024 Subaru Impreza
- 2025 Subaru Impreza
- 2023 Subaru Legacy
- 2024 Subaru Legacy
- 2025 Subaru Legacy
- 2023 Subaru Outback
- 2024 Subaru Outback
- 2025 Subaru Outback
- 2024 Subaru WRX
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.