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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: Transmission control module are shown. Show all

Bulletins, newest first
TSB-09-AT-0182010-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE. HYUNDAI: ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770. INCORRECT OPERATION OF THE TRANSAXLE SOLENOIDS MAY RESULT IN THE FOLLOWING SYMPTOMS-CHECK ENGINE LIGHT ILLUMINATED; TRANSAXLE HELD IN 3RD GEAR FAIL SAFE. *PE
TSB07400102008-07-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUTOMATIC TRANSAXLE HARSH AND/OR DELAYED UPSHIFT OR DOWNSHIFT - GDS ANALYSIS. *PE
07400162008-01-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES P0715, P0716, P0717, P07120, P0721 AND P0722. *NJ
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
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

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