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Service bulletins for the 2010 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
26-EM-016H TSB2026-10-14. Service bulletin. ENGINE. Some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. All internal combustion engines consume some engine oil during normal operation, depending on driving conditions and mileage, and this procedure should only be performed when deemed necessary based on inspection and diagnosis of the vehicle as outlined in TSB 26-EM-015H, Engine Oil Consumption – Inspection & Repair Guidelines, or the latest revision.
26-EM-015H TSB2026-10-13. Service bulletin. ENGINE. Certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engine oil as part of normal engine operation. Oil consumption rates may vary based on mileage, operating conditions, driving habits, and maintenance history. Hyundai recommends following the prescribed maintenance schedule and periodically checking the engine oil level using the dipstick to maintain proper engine oil level.
23-EM-005H2023-12-15. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
22-EM-010H2022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
21-EM-004H2021-04-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
21-EM-003H2021-04-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
TSB-13-FL-0022013-06-18. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. HYUNDAI: THE THROTTLE CONTROL (ETC) BODY, ON SOME VEHIICLES, NEEDS TO BE CLEANED AND PROCEDURAL INFORMATION IS BEING PROVIDED, DUE TO DEPOSITS FOUND AT VALVE-TO-BORE INTERFACE. MODELS 2011-2013 ELANTRA, 2010-2013 GENESIS COUPE, 2010-2013 SANTA FE, 2006-2013 SONATA, 2010-2013 TUCSON. *PE
TSB-11-01-0252011-10-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:SOFTWARE. HYUNDAI: INFORMATION IS PROVIDED FOR THE ECU UPDATE FOR HEV ACTIVE AIR FLAP (AAF). *PE
SB-10-EM-0062011-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HYUNDAI: A REVISED PROCEDURE FOR REPLACING THE TIMING CHAIN TENSIONERS. *RM
TSB-10-01-0232010-11-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). HYUNDAI: AUTOMATIC TRANSAXLE ECM AND TCM UPDATE. PROVIDES A PROCEDURE TO UPDATE THE ECM AND TCM SOFTWARE TO THE MOST RECENT VERSIONS TO REVISE-ACCELERATION FEEL FROM A STOP OR BELOW 15MPH; SHIFT QUALITY WHEN DECELERATING TO A STOP AT ABOUT 30MPH WHEN THE ATF IS COLD. *PE
TSB-09-01-0352010-09-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HYUNDAI: PROVIDES AN INSPECTION AND REPAIR PROCEDURE FOR S1 OXYGEN SENSORS TO CORRECT THIS CONDITION. SOME VEHICLES EQUIPPED WITH 3.3L ENGINES MAY SET DTC P0133 AND/OR P0153. *PE
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

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