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GMC TSB #PIP4578B

2018 GMC Sierra 3500

TSB Document:

MC-10126975-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578.

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Date Published: DEC 18, 2017
NHTSA TSB #: 10126975

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