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Service bulletins for the 2021 Hyundai Accent

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
23-AT-010H2023-09-06. Service bulletin. POWER TRAIN. Certain vehicles equipped with the Intelligent Variable Transmission (IVT) may experience a check engine light or malfunction indicator light due to Diagnostic Trouble Codes (DTC) listed below. This bulletin provides information on replacing the oil pressure sensor to remedy these DTCs, rather than replacing the entire IVT assembly.
23-01-014H-52023-09-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai vehicles not equipped with engine immobilizers targeted through social media. For certain vehicles that cannot be updated with the software (Campaign 993), Hyundai is offering customers steering wheel locks at the dealer (Campaign P32). This Dealer Best Practices Guide provides information to assist dealership personnel with customer questions relating to the immobilizer software upgrade, window decals and steering wheel lock ant-theft solutions available from HMA through Hyundai dealers.
21-01-038H-12021-10-08. Service bulletin. POWER TRAIN. Certain 20-21MY Accent (HC) vehicles may experience an illuminated warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the TCU update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve this condition.
21-01-038H2021-06-10. Service bulletin. POWER TRAIN. Certain 20-21MY Accent (HC) vehicles may experience an illuminated warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the TCU update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve this condition.

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