Is your defective GMC Yukon actually a LEMON?

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GMC TSB #16-NA-244

2021 GMC Yukon

TSB Document:

MC-10222778-0001.pdf

Affected Component: FUEL SYSTEM, DIESEL

Summary: This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

Click a tab for more information.

Date Published: SEP 14, 2022
NHTSA TSB #: 10222778

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