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Service bulletins for the 2003 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.

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

By type

By component

By trouble code

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Bulletins, newest first
04500062004-09-14. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. ANTI-LOCK BRAKING SYSTEM (ABS)TCS ACTIVATION MAY RESULT FROM UNDERINFLATED COMPACT SPARE TIRE. *TT
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
04400062004-05-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TRANSMISSION CONTROL MODULE (TCM) REPROGRAMMING INSTRUCTIONS. *TT 2-3 SHIFT FLARE IMPROVEMENT.
03360242003-12-24. Service bulletin. VEHICLE SPEED CONTROL. RESISTANCE VALUES FOR IDLE SPEED CONTROL ACTUATOR (ISCA). VARIOUS MODELS INCLUDING THE 2004 SONATA. *TT
03010082003-10-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING RECEIVER DRIER REPLACEMENT. ALSO INCLUDING THE 2004 XG350. *TT
T102003-10-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING RECEIVER DRIER REPLACEMENT (SERVICE CAMPAIGN T10). VARIOUS MODELS INCLUDING 2004 XG350. *TT
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
03360152003-10-15. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. FUEL TEMPERATURE SENSOR. *TT
03360122003-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2.7L V6 ENGINE OXYGEN SENSOR CHANGE. *TT
1332003-10-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2.7L V6 ENGINE OXYGEN SENSOR CHANGE. *TT
1332003-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIRD GEAR FAIL-SAFE INFORMATION. *TT
1332003-10-10. Service bulletin. UNKNOWN OR OTHER. 2003 SHOP MANUALS AND ETMS ON WEBTECH. *TT
03400142003-10-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODE (DTC) P1723 ACCOMPANIED WITH MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED; TRANSAXLE HELD IN 2RD GEAR FAIL-SAFE; HARSH SHIFTS INTO REVERSE OR DRIVE. *TT
03360112003-08-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CONTROL MODULE (ECM) CHANGE. *TT
03360092003-08-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. CHANGE OF BATTERY UPPER COVER. *TT
03360082003-08-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CONTROL MODULE (ECM) INFORMATION. *TT
03900132003-08-22. Service bulletin. ELECTRICAL SYSTEM. SEAT BELT WARNING LAMP CIRCUIT ELECTRICAL TROUBLESHOOTING MANUAL (ETM) CORRECTION. *TT
03400062003-08-22. Service bulletin. POWER TRAIN. ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0741, P0742, P0743, P0750, P0755, P0760, P0765, P0770. *TT
03900062003-08-19. Service bulletin. ELECTRICAL SYSTEM. POWER DOOR LOCK ACTUATOR CIRCUIT ETM/SHOP MANUAL CORRECTION. *TT
0620032003-08-14. Service bulletin. EQUIPMENT:OTHER:LABELS. DETAILED INFORMATION TO HYUNDAI DEALERSHIP SERVICE MANAGERS ON CAMPAIGN 059 - TEMPORARY SPARE TIRE AND TIRE INFLATION PRESSURE LABEL REPLACEMENT. *TT
03360042003-06-17. Service bulletin. ENGINE AND ENGINE COOLING. 2.7L V6 ENGINE OXYGEN SENSOR CHANGE. *TT
02400262003-03-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0743, P0750, P0755, P0760, P0765, P0770. *TT
02360332003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2.7L V6 ENGINE OXYGEN SENSOR CHANGE FOR VARIOUS MODELS INCLUDING THE 2004 TIBURON. *TT

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