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GMC TSB #21NA125

2020 GMC Sierra 1500

TSB Document:

MC-10200130-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This service bulletin provides a procedure to correct a condition of a Service Emission System and/or Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), DTC P208B Set.

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Date Published: JUN 02, 2021
NHTSA TSB #: 10200130

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