Is your defective GMC Terrain actually a LEMON?

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GMC TSB #N222372590-02

2021 GMC Terrain

TSB Document:

MC-10231574-0001.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18Â°C (0Â°F) or less).

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Date Published: FEB 09, 2023
NHTSA TSB #: 10231574

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