Service bulletins for the 2025 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.
241 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Adaptive cruise control are shown. Show all
| 25-NA-026 | 2025-02-27. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This service bulletin provides repair information to correct a customer concern of Service Drivers Assist Message Illuminated, Super Cruise Inoperable, and DTC U1624 Setting. |
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| PIC6582 | 2024-12-05. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This Preliminary information communicates that a Service Drivers Assist message with Super Cruise inop and a U1624 May be found and that Engineering is working on a resolution. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.