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GMC TSB #PIT5955
2019 GMC Sierra 1500
TSB Document:
Affected Component: BACK OVER PREVENTION
- Summary
- This Preliminary information communicates and issue when driving at highway speeds (above 60 mph) that there is a noise from the rear seat area that could be described as a buffering, pulsing, vibrating, roaring, booming type noise. Dealers are to fill the C pillar cavities with sound deadening material to correct the issue.
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