Is your defective GMC Acadia actually a LEMON?

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GMC TSB #21NA139

2021 GMC Acadia

TSB Document:

MC-10200140-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.

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Date Published: JUN 21, 2021
NHTSA TSB #: 10200140

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