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October 17, 2025 Service bulletin

This service information provides testing and charging procedures in order to promote proper battery...

Mazda technical service bulletin SA-029-25a for 2023-2026 Mazda MAZDA3, 2023-2025 Mazda CX-5 and 2023 Mazda CX-9 and others.

Bulletin number
SA-029-25a
Component
Electrical system
Summary
This service information provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the batteries periodically according to the repair procedure.

Owners of these vehicles have filed 174 complaints in the electrical category.

Vehicles covered

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