Chevrolet Silverado 1500 2019–2023 — technical service bulletin
Bulletin PIT5955 · NHTSA communication 10226370 · issued Oct 14, 2022
Technical service bulletin
communication type
Back Over Prevention
component
2019–2023
model years
10
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.