Mazda CX-30 2019–2026 — technical service bulletin
Bulletin SA-039-26a · NHTSA communication 11037019 · issued Aug 19, 2026
Technical service bulletin
communication type
Electrical System
component
2019–2026
model years
45
vehicle entries
Official summary
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red text. SA-039/26 06/15/26 Mazda Connect Symptom Troubleshooting DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
Vehicles covered
- 2020 Mazda CX-30
- 2021 Mazda CX-30
- 2022 Mazda CX-30
- 2023 Mazda CX-30
- 2024 Mazda CX-30
- 2025 Mazda CX-30
- 2026 Mazda CX-30
- 2021 Mazda CX-5
- 2022 Mazda CX-5
- 2023 Mazda CX-5
- 2024 Mazda CX-5
- 2025 Mazda CX-5
- 2026 Mazda CX-5
- 2023 Mazda CX-50
- 2024 Mazda CX-50
- 2025 Mazda CX-50
- 2026 Mazda CX-50
- 2025 Mazda CX-50 Hybrid
- 2026 Mazda CX-50 Hybrid
- 2025 Mazda CX-70
- 2026 Mazda CX-70
- 2025 Mazda CX-70 Plug-In Hybrid
- 2026 Mazda CX-70 Plug-In Hybrid
- 2021 Mazda CX-9
- 2022 Mazda CX-9
- 2023 Mazda CX-9
- 2024 Mazda CX-90
- 2025 Mazda CX-90
- 2026 Mazda CX-90
- 2024 Mazda CX-90 Plug-In Hybrid
- 2025 Mazda CX-90 Plug-In Hybrid
- 2026 Mazda CX-90 Plug-In Hybrid
- 2019 Mazda MAZDA3
- 2020 Mazda MAZDA3
- 2021 Mazda MAZDA3
- 2022 Mazda MAZDA3
- 2023 Mazda MAZDA3
- 2024 Mazda MAZDA3
- 2025 Mazda MAZDA3
- 2026 Mazda MAZDA3
- 2022 Mazda MX-30
- 2023 Mazda MX-30
- 2024 Mazda MX-5
- 2025 Mazda MX-5
- 2026 Mazda MX-5
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.