Chevrolet Silverado 2500 2023 — technical service bulletin
Bulletin N222391310 · NHTSA communication 10232241 · issued Mar 2, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
4
vehicle entries
Official summary
Service Update- Certain vehicles may have a condition in which the torque converter housing access hole cover was not installed. Dealers are to install the torque converter housing access hole cover.
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.