Is your defective GMC Sierra 2500 actually a LEMON?

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GMC TSB #19-NA-136

2022 GMC Sierra 2500

TSB Document:

MC-10227229-0001.pdf

Affected Component: POWER TRAIN

Summary: This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.

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Date Published: NOV 18, 2022
NHTSA TSB #: 10227229

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