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GMC TSB #21NA056

2021 GMC Sierra 1500

TSB Document:

MC-10191229-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.

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Date Published: MAR 17, 2021
NHTSA TSB #: 10191229

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