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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.

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Only bulletins with component: Backup camera are shown. Show all

Bulletins, newest first
N23-2419262023-10-05. Service bulletin. BACK OVER PREVENTION:SOFTWARE. '(There may be future updates under this same release number.) Your Cadillac keeps getting better. This vehicle software update includes the following: Updates made to help prevent unwanted power consumption while undergoing a vehicle software update. A variety of other minor software updates to help make your driving and in-vehicle experience better. Better Never Stops™
N23-2419262023-10-05. Service bulletin. BACK OVER PREVENTION:SOFTWARE. '(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the overall vehicle software update process. Better Never Stops™
N23-2411562023-08-14. Service bulletin. BACK OVER PREVENTION:SOFTWARE. '(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements • Updates made to the overall vehicle software update process. Better Never Stops™
23-NA-0422023-07-14. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
PIT5832H2023-06-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5832G2023-04-17. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
22-NA-1272023-03-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.