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Service bulletins for the 2018 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.

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

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Only bulletins with component: Labels and manuals are shown. Show all

Bulletins, newest first
22-01-023H-22022-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING. Certain vehicles may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise, or no crank/no start condition related to connecting rod bearing wear or damage. This Dealer Best Practice outlines the service process to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results, as well as related warranty coverage for the conditions outlined above.
TXXI Dealer Best2020-08-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This Dealer Best Practice intends to inform dealers of a proposed settlement (“Settlement”) for a class action lawsuit filed against Hyundai Motor America (“HMA”). Beginning in July 2020, customers affected by the proposed settlement will begin becoming informed of the settlement by mailed notice and email, and they may direct questions to dealers. Please go to HyundaiThetaEngineSettlement.com for full details. In addition, customer questions can also be directed to 1-866-944-7620 (Monday to Friday 7am-5pm PST).
20-AT-016H2020-05-07. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
19-01-006H-42019-11-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:WIRING. Applicable vehicles with 2.0L Turbo and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and install a wire harness extension and/or replacement engine based on the inspection results.
19-AT-016H2019-09-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY. If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness.

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