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Service bulletins for the 2004 Hyundai Sonata

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
04360062004-09-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UNSTABLE IDLE (SIMPLE DIAGNOSIS PROCEDURE FOR INTERMITTENTLY STUCK CLOSED EGR SOLENOID VALVE). *TT
04360092004-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK ENGINE LIGHT ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0133/P0153. ENGINE CONTROL MODULE (ECM) REPROGRAMMING. *TT
04500012004-07-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. FRONT BRAKE DISC MINIMUM THICKNESS SHOP MANUAL CORRECTION. *MR
03800022003-10-16. Service bulletin. STRUCTURE:BODY. WATER LEAK BETWEEN THE TAILLIGHT LENSES AND THE BODY, RESULTING IN A LEAK INTO THE TRUNK AREA. *TT

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