Subaru WRX 2022–2026 — technical service bulletin
Bulletin 05-98-26 · NHTSA communication 11034241 · issued Jun 2, 2026
Technical service bulletin
communication type
Electrical System
component
2022–2026
model years
5
vehicle entries
Official summary
This bulletin announces the availability of new reprogramming files developed to address cases in which the following DTCs are detected by the Electric Control Damper Control Unit (ECU Damper).
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.