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.
By type
By component
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Only bulletins with component: Body control module are shown. Show all
| 22NA036 | 2022-07-18. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. Vehicle Odometer Not Matching Display after ECM, BCM or IPC Controller Replacement. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.