Mazda CX-30 2024 — service campaign
Bulletin MSP61 Warr b · NHTSA communication 11034489 · issued Jun 11, 2026
Service campaign
communication type
Service Brakes
component
2024
model years
2
vehicle entries
Official summary
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 line may have difficulty hearing the driver’s voice. OUTLINE OF REPAIR: Reprogram the CMU software using a USB memory stick. COVERAGE LIMITATION: Vehicles under 3 year/36,000 mile warranty : All repairs in MSP6 1 will be covered under Mazda's New Vehicle Limited Warranty. Vehicles outside the 3 year/36,000 mile warranty
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.