TSB Document:

Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Summary
The Mazda GR8-1291 is required for all warranty battery testing. If the Mazda GR8-1291 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.

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Date Published
MAR 26, 2018
NHTSA TSB #
10134929
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