Is your defective GMC Terrain actually a LEMON?

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GMC TSB #21NA255

2022 GMC Terrain

TSB Document:

MC-10205575-9999.pdf

Affected Component: ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS

Summary: This service bulletin provides repair information to correct a customer concern of an Engine Misfire, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300 Set.

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Date Published: NOV 09, 2021
NHTSA TSB #: 10205575

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