When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate...
Mazda technical service bulletin SA-070-24 for 2019-2025 Mazda MAZDA3, 2020-2025 Mazda CX-5 and 2021-2023 Mazda CX-9 and others.
- Bulletin number
- SA-070-24
- Component
- Electrical system
- Summary
- When the Telematics Control Unit (TCU) replacement is necessary due to a failure, use MDARS to activate the new TCU after replacement. Use the information in this service alert to initialize the new TCU until the procedure on MGSS is updated.
Owners of these vehicles have filed 227 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2019-2025 2019202020212022202320242025
- Mazda CX-5 2020-2025 202020212022202320242025
- Mazda CX-9 2021-2023 202120222023
- Mazda CX-90 2024-2025 20242025
- Mazda CX-30 2020-2025 202020212022202320242025
- Mazda CX-50 2023-2024 20232024
- Mazda MX-5 2024 2024
- Mazda CX-70 2025 2025
- Mazda CX-50 Hybrid 2025 2025
- Mazda MX-30 2022-2023 20222023
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