TSB MSP61A — Mazda Service campaign
MSP61A is a service campaign on file with NHTSA for the Mazda Mazda3, 2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. MSP61A is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years MSP61A names
| Vehicle | Model years |
|---|---|
| Mazda Mazda3 | 2024 |
Every document filed under MSP61A
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| MSP61a Repair | July 7, 2025 | Service campaign |
| MSP61a Warranty | July 7, 2025 | Service campaign |
What MSP61A covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB MSP61A?
MSP61A is a service campaign filed with NHTSA by Mazda, covering the Mazda Mazda3 across the 2024 model years. NHTSA's summary reads: Mazda Service Program (MSP61) - 2024 CX-30 and 2024 Mazda3, equipped with 6 speakers Connectivity Master Unit (CMU) software concern When using a Bluetooth® connected smartphone and talking with handsfree function on a vehicle with 6 speakers, the person on the other end of the…
Which vehicles does MSP61A cover?
NHTSA's file names Mazda Mazda3 (2024). 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 MSP61A a recall, and is the repair free?
MSP61A is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of MSP61A?
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 MSP61A, its date, and NHTSA's own summary from the public file.
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 MSP61A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.