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May 19, 2021 Service bulletin

A customer may experience symptoms caused by a roof water leak

Mazda technical service bulletin SA-035-21 for 2020-2021 Mazda CX-30.

Bulletin number
SA-035-21
Component
Electrical system
Summary
A customer may experience symptoms caused by a roof water leak. Some will be obvious, like water in the spare tire well, others might be electrical in nature or water in the rear differential. The source of the leak may be pinhole anywhere along the roof seams under the 2 trim strips (where the roof rails attach). Depending on the location of the leak, the headliner may or may not be visibly affected.

Owners of these vehicles have filed 19 complaints in the electrical category.

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