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Service bulletins for the 2015 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.

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

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Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
23-ST-003H2023-05-03. Service bulletin. STEERING. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata Hybrid/Plug-in (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the TSB 23-ST-003H (or latest version) for warranty, service parts information, and diagnostic information outlined in the bulletin.
23-ST-003H2023-05-02. Service bulletin. STEERING. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata HEV/PHEV (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the warranty, service parts information, and diagnostic information outlined in this bulletin.
22-ST-001H2022-02-08. Service bulletin. STEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata HEV/PHEV (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the warranty, service parts information, and diagnostic information outlined in this bulletin.
TXXO DBP2022-02-08. Service bulletin. ENGINE AND ENGINE COOLING; STEERING:HYDRAULIC POWER ASSIST SYSTEM. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata Hybrid/Plug-in (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first.
21-ST-001H2021-02-06. Service bulletin. STEERING. The rack-mounted dual pinion Motor Driven Power Steering (MDPS) system components can be replaced separately from the complete assembly. This bulletin provides information on the separate components and the replacement procedure of these components.
20-ST-001H-22020-10-08. Service bulletin. STEERING; EQUIPMENT. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-ST-001H-12020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-ST-001H2020-02-03. Service bulletin. STEERING. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
19-ST-001H2019-05-20. Service bulletin. STEERING. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
5NP-B9V8T-092018-09-17. Service bulletin. STEERING. On some Sonata (YF, LF), Sonata Hybrid (YF HEV, LF HEV), Santa Fe (NC), and Azera (HG) vehicles, a yoke noise may develop in the steering rack. This bulletin provides information on how to diagnose the yoke noise and replace the rack support yoke assembly.
5NP-G5Z6W-032017-08-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. The MDPS (motor driven power steering) assembly contains a flexible rubber coupling which may wear over time resulting in a slight "clicking" or "thud" type noise when turning the steering wheel. The warranty coverage for this coupling has been extended to 10 years from the date of original retail delivery or date of first use or 100,000 miles, whichever occurs first. This bulletin describes the service procedure to replace the coupling. Refer to the warranty and service parts information outlined in this bulletin whenever MDPS coupling replacement is required.

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