Is your defective GMC Terrain actually a LEMON?

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GMC TSB #PIP5657D

2021 GMC Terrain

TSB Document:

MC-10201263-9999.pdf

Affected Component: ELECTRICAL SYSTEM:IGNITION:COIL:HIGH TENSION/SPARK PLUG WIRES

Summary: This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.

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Date Published: JUL 28, 2021
NHTSA TSB #: 10201263

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