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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.

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By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
02400112002-05-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES LIST. *YH
02400082002-04-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLES MAY EXPERIENCE A HARSH OR DELAYED PARK-REVERSE OR PARK-DRIVE ENGAGEMENT IN VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS. *SLC
01400232002-02-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING AUTOMATIC TRANSAXLE OIL DRAIN PLUG. *YD
0611012001-10-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING FINAL DRIVE GEAR WHINE NOISE. *YH
01400172001-10-25. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SUBJECT ON REGARDING MANUAL TRANSAXLE SHIFT FEEL IMPROVEMENT. *YH
00400152001-04-11. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SUBJECT REGARDING MANUAL TRANSAXLE SHIFT FEEL IMPROVEMENT KIT SERVICE PARTS. *TT
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
0352000-04-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION ON REPROGRAMMING THE TCM IN VEHICLES WITH TRACTION CONTROL PRODUCED AFTER MARCH 9, 1999. *TT
99400142000-01-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING AUTOMATIC TRANSXALE DIAGNOSTICS. *TT
99010042000-01-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS TSB PROVIDES INSTRUCTIONS FOR USING THE HI-SCAN PRO TO REPROGRAM THE TRANSAXLE CONTROL MODULE (TCM) IN V-6 EQUIPPED VEHICLES WITH AUTOMATIC TRANSMISSIONS. *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
99400071999-07-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THE TRANSAXLE CONTROL MODULE (TCM) LOGIC IN CERTAIN MODELS INCORPORATES THREE NEW FEATURES. THIS BULLETIN DESCRIBES THESE FEATURES AND INCLUDES RELEVANT SERVICE INFORMATION. *TT
99400011999-05-11. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SUBJECT REGARDING AUTOMATIC TRANSAXLE HYDRAULIC PRESSURE TEST. *TT
99500021999-05-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH. SUBJECT REGARDING SHIFT LOCK AND KEY LOCK ADJUSTMENT. *TT

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