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Service bulletins for the 2013 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.

231 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
5NP-E8E9D-022019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. Hyundai is conducting a product improvement campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, a chime will sound on certain vehicles, and the vehicle will be placed in Limp Home Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Limp Home Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800-2000 RPM.
5NP-Z6H6Q-102017-10-12. Service bulletin. ENGINE AND ENGINE COOLING. Some Sonata Hybrid (YF HEV) vehicles may experience a small oil leak from the electric oil pump (EOP) seals. If so, follow the Service Procedure in this bulletin to inspect and repair the oil seals between the transmission and EOP. No drivability issues are associated with this condition.
5NPH9L4R022017-09-22. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Hyundai has launched a service campaign to inspect and if needed, repair the evaporative emissions canister and bracket on certain model year 2011? 2015 Hyundai Sonata Hybrid and 2012 ? 2016 Veloster vehicles. This campaign affects such vehicles registered in and operated in Alaska, Connecticut, Delaware, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, West Virginia, and Wisconsin, and the District of Columbia. Reason for this Service Campaign During winter months, large quantities of salt are used to de-ice roads in the states noted above. Road salt and water can corrode the bracket holding the canister in place; as well as the seal within the canister. This can result in the need to replace these components and if necessary, the canister itself.
5NP-Z2J3V-042017-08-10. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. Some Veloster (FS) and Sonata Hybrid (YF HEV) vehicles may experience a check engine warning light ON with any of the following DTCs found stored: ? P0442 - Evaporative System (EVAP) - Small Leak ? P0455 - Evaporative System (EVAP) - Large Leak ? P0456 - Evaporative System (EVAP) - Very Small Leak
5NP-J2N7P-012017-01-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME SONATA 2.0T (YF) AND SANTA FE SPORT 2.0T (AN) VEHICLES MAY EXPERIENCE A SLIGHT LEAK FROM THE OIL FEED HOSE ASSEMBLY ONTO THE ENGINE UNDERCOVER DIRECTLY BENEATH THE HOSE.
5NP-Q6G9Y-012017-01-26. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. HYUNDAI MOTOR AMERICA IS CONDUCTING A SERVICE CAMPAIGN TO REPLACE THE OIL FEED PIPE ASSEMBLY ON CERTAIN 2011-14MY SONATA AND 2013-16MY SANTA FE SPORT VEHICLES EQUIPPED WITH 2.0L TURBO ENGINES. SERVICE CAMPAIGN T1N PROVIDES A PROCEDURE TO REPLACE THE OIL FEED PIPE ASSY.
5NP-V6G6F-102016-10-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. "THIS BULLETIN PROVIDES INFORMATION RELATED TO THE ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE TO PREVENT AN INCREASE IN THE CATALYST TEMPERATURE WHICH MAY RESULT IN ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT WITH THE FOLLOWING DTC(S): H P0171 - SYSTEM TOO LEAN - BANK 1. H P0420 - CATALYTIC CONVERTER SYSTEM, BANK 1 - EFFICIENCY BELOW THRESHOLD. IN RARE CASES, THERE CAN BE A REDUCTION IN ENGINE POWER IF THE CATALYST IS RESTRICTED."
5NP-U7X3S-092016-10-14. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. "HYUNDAI IS PROVIDING AN EXTENDED WARRANTY FOR THE ENGINE “SHORT BLOCK “ASSEMBLY (CONSISTING OF THE ENGINE BLOCK, CRANKSHAFT AND BEARINGS, CONNECTING RODS AND BEARINGS, AND PISTONS) ON 2011–2014 SONATAS."
TSB-15-01-0102015-08-05. Service bulletin. ENGINE. HYUNDAI: RELATED INFORMATION, ON SOME VEHICLES, WITH A CERTAIN TYPE OF ENGINE, AND ENGINE CONTROL MODULE (ECM) REGARDING UPDATE FOR DIAGNOSTIC TROUBLE CODES (DTC) FOR ENGINES FUEL RAIL/SYSTEM PRESSURE TOO LOW. MODEL 2012-13 SONATA, SANTA FE SPORT. *PE
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-12-01-0222012-10-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). HYUNDAI: INSPECTION INFORMATION PROVIDED REGARDING THE CRANKSHAFT PULLEY BOLT TORQUE. MODEL 2013 SONATA. *PE

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