GMC TSB #19-NA-136

2018 GMC Sierra 1500

TSB Document:

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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