Service bulletins for the 2021 Hyundai Tucson
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.
89 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Transmission and driveline are shown. Show all
| 24-AT-002H | 2024-04-16. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2. |
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| 23-01-014H-5 | 2023-09-06. 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-AT-017H | 2021-11-06. Service bulletin. POWER TRAIN. : Certain vehicles equipped with 8-speed automatic transmission may experience an automatic transmission fluid (ATF) leak at the rear cover. This type of leak is caused by a porous casting on the rear cover of the transmission. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.