TSB SSM-54912 — Ford Service bulletin

SSM-54912 is a service bulletin on file with NHTSA for the Ford Mustang, 2025–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Some 2025-2026 Mustang vehicles built on 01-Jun-2025 and through 25-Apr-2026 may exhibit a chirp and/or rattle noise from the left side of the instrument panel. This may be due to the heating, ventilation and air condition (HVAC) control module lower fastener making contact with…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
2Model years

Vehicles and model years SSM-54912 names

VehicleModel years
Ford Mustang 2025, 2026

Every document filed under SSM-54912

Document IDFiledType
SSM 54912 June 11, 2026 Service bulletin

What SSM-54912 covers

Body & structure — the component vocabulary NHTSA files this communication under.

← All Ford Mustang TSB years TSB lookup by model

Questions buyers ask

What is TSB SSM-54912?

SSM-54912 is a service bulletin filed with NHTSA by Ford, covering the Ford Mustang across the 2025–2026 model years. NHTSA's summary reads: Some 2025-2026 Mustang vehicles built on 01-Jun-2025 and through 25-Apr-2026 may exhibit a chirp and/or rattle noise from the left side of the instrument panel. This may be due to the heating, ventilation and air condition (HVAC) control module lower fastener making contact with…

Which vehicles does SSM-54912 cover?

NHTSA's file names Ford Mustang (2025–2026). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB SSM-54912 a recall, and is the repair free?

No. SSM-54912 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of SSM-54912?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-54912, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-54912. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.