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January 27, 2022 Service bulletin

I-ACTIVSENSE/ALH warning lights on and a system error messages may be found in the center display as well

Mazda technical service bulletin 15-003/22 for 2019-2021 Mazda MAZDA3, 2020-2021 Mazda CX-30 and 2022 Mazda MX-30 PHEV.

Bulletin number
15-003/22
Component
Electrical system
Summary
Some vehicle may experience the i-ACTIVSENSE/ALH warning lights on and a system error messages may be found in the center display as well. DTC U3000:04 (FSC) is stored in memory DTC U3000:04 (FSC) - Forward sensing camera (FSC) internal malfunction This may be caused by a hardware failure in an internal device of the FSC that results in the malfunction detection. To eliminate this concern, the production process of the FSC has been modified.

Owners of these vehicles have filed 40 complaints in the electrical category.

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