Cadillac CT4 2023 — technical service bulletin
Bulletin 23-NA-038 · NHTSA communication 10233354 · issued Mar 8, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
3
vehicle entries
Official summary
This technical bulletin provides a procedure to perform a transmission service quick learn if found that the OTA update was done and reset all the values that may cause the customers concern.
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.