Ford Mustang 2024–2026 — technical service bulletin
Bulletin SSM 55061 · NHTSA communication 11035583 · issued Aug 4, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024–2026
model years
3
vehicle entries
Official summary
Some 2024-2026 Mustang vehicles built on or before 23-Apr-2026 may exhibit a sagging headliner appearance at the door openings which show the raw headliner edge untucked from the door glass run. An updated door glass run has been released for service (Left Side:PR3Z-6321597-B, Right side:PR3Z-6321596-B). Refer to Workshop Manual, Section 501-05.
Vehicles covered
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.