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Service bulletins for the 1999 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.

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

By type

By component

By trouble code

Only bulletins with component: Axle are shown. Show all

Bulletins, newest first
06400182007-01-29. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES (DTC) LIST. *KB
04400092004-09-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. AUTOMATIC TRANSAXLE DIFFERENTIAL OIL SEAL. *TT
02400262003-03-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0743, P0750, P0755, P0760, P0765, P0770. *TT
02400192002-09-24. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING AUTOMATIC TRANSAXLE HARSH AND/OR DELAYED SHIFTS. *JG
00400142001-04-11. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION ON DIAGNOSING TRANSAXLE DIAGNOSTIC TROUBLE CODES. *TT
00400082000-09-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING THE AUTOMATIC TRANSAXLE TESTER I DESIGNED TO TROUBLESHOOT THE NEW GENERATION TRANSAXLE FOR ALL 2000 MODELS. *TT
99400142000-01-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING AUTOMATIC TRANSXALE DIAGNOSTICS. *TT
99400091999-11-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION DESCRIBING THE TRANSAXLE DIAGNOSTIC TROUBLE CODES. *TT
99400111999-09-28. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION REGARDING A ONE-WAY CLUTCH BEING ADDED TO THE AUTOMATIC TRANSAXLE. *TT
994000311999-07-29. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXHBIT A SHIFT SHOCK OR SHIFT HESITATION DURING THE 1-2 SHIFT. *TT
99400011999-05-11. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING AUTOMATIC TRANSAXLE HYDRAULIC PRESSURE TEST. *TT

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