Service bulletins for the 2023 Cadillac CT4
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
554 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
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Only bulletins with component: Wiring and fuses are shown. Show all
| N232408660 | 2023-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; POWER TRAIN. Customer Satisfaction Program - Certain vehicles may have been built with the incorrect shift control knob. Dealers are to replace the incorrect leather shift control knob with the correct suede shift control knob. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.