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Service bulletins for the 2012 Hyundai Equus

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.

78 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

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Bulletins, newest first
12-AT-0112012-05-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HYUNDAI: AUTOMATIC TRANSAXLE HARSH AND/OR DELAYED SHIFT- GDS ANALYSIS. ALSO INCLUDED MODEL GENESIS COUPE MODEL YEAR 2012. *JS
TSB-11-SS-0042011-12-20. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST SYSTEM. HYUNDAI: ON CERTAIN MODEL VEHICLES, INFORMATION IS BEING PROVIDED REGARDING THE REPAIR AND DIAGNOSE OF THE TRACKING CONDITION. *PE
TSB-11-01-0362011-12-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE. HYUNDAI: INFORMATION IS PROVIDED RELATING TO THE UPDATE SOFTWARE FOR THE ECM OF CERTAIN VEHICLES. *PE

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