Chevrolet Silverado 1500 2023 — technical service bulletin
Bulletin N232403290 · NHTSA communication 10238342 · issued Jun 29, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
2
vehicle entries
Official summary
Service Update - Certain vehicles may have a condition in which the incorrect thrust washer was installed in the transmission input carrier. Dealers are to replace the transmission.
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.