Chevrolet Silverado 1500 2019–2023 — technical service bulletin
Bulletin PIP5847A · NHTSA communication 10242281 · issued Aug 2, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2019–2023
model years
10
vehicle entries
Official summary
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
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.