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GMC TSB #PIE0695

2021 GMC Sierra 3500

TSB Document:

Affected Component: FUEL SYSTEM, DIESEL

Summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).

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Date Published
MAY 11, 2022
NHTSA TSB #
10212951
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