Service bulletins for the 2015 Cadillac CTS
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.
1797 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Wheel nuts and studs are shown. Show all
| 16-NA-399 | 2017-08-31. Service bulletin. WHEELS; WHEELS:LUGS/NUTS/BOLTS/STUDS. This bulletin advises the Service Technician of new longer bolts and lock washers required to be installed during repairs that require the half shaft bolts to be removed or replaced. |
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| 17-NA-126 | 2017-08-15. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. This informational bulletin provides information on Non-Design Intent Wheel Lock Nuts and Lug Nuts. |
| 16-NA-399 | 2017-08-15. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; WHEELS. This bulletin advises the Service Technician of new longer bolts and lock washers required to be installed during repairs that require the half shaft bolts to be removed or replaced. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.