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Buick TSB #21NA278

2019 Buick LaCrosse

TSB Document:

MC-10205594-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.

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Date Published: NOV 23, 2021
NHTSA TSB #: 10205594

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