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GMC TSB #22-NA-187

2020 GMC Sierra 3500

TSB Document:

MC-10231427-0001.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.

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Date Published: JAN 19, 2023
NHTSA TSB #: 10231427

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