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June 11, 2026 Service campaign

Mazda Service Program (MSP61)

Mazda technical service bulletin MSP61 Repair b for 2024 Mazda MAZDA3 and 2024 Mazda CX-30.

Bulletin number
MSP61 Repair b (MSP61)
Component
Electrical system
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 : Please submit to Warranty pre - authorization. The repair will be reviewed on a case by case basis. ALL RETAIL , CPO, USED OR UNSOLD IN-STOCK VEHICLES: When an applicable retailed vehicle is brought into the dealer for any type of repair or scheduled maintenance, review the “Warranty Vehicle Inquiry” page in eMDCS to check the status of MSP6 1. If the status is "OPEN" for MSP6 1, repair the vehicle according to the procedures contained in this service bulletin.

Owners of these vehicles have filed 15 complaints in the electrical category.

Vehicles covered

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