Mazda TSB #MT-001-21

2018 Mazda MAZDA3

TSB Document:

Affected Component: EQUIPMENT

Summary
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal Workshop Manual diagnosis. Aftermarket devices may be the cause of the electrical concern. Ask the customer if any aftermarket devices have been installed.

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Date Published
MAY 05, 2021
NHTSA TSB #
10194657
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