Service bulletins for the 2020 Cadillac CT6
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.
753 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Control arm are shown. Show all
| PIC6377A | 2020-09-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION:FRONT:CONTROL ARM:UPPER ARM; SERVICE BRAKES. This Preliminary information communicates that a customer may experience a moan or vibration at low speed maneuvers or brake apply caused by V-Series vehicles being equipped with high performance track capable brake lining that generates high brake torque during a brake event. Revised Upper Control Arms will be released in 2020 to address. The noise will not effect the performance or reliability of the vehicle. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.