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Service bulletins for the 2018 Kia Cadenza

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.

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Bulletins, newest first
TSBTRA0672018-01-16. Service bulletin. POWER TRAIN. TSB - AUTOMATIC TRANSMISSION OIL PRESSURE CHARACTERISTIC VALUES DATA TRANSFER - This bulletin provides information regarding data transfer of automatic transmission (A/T) characteristic values on 2015MY-2018MY K900 (KH) vehicles equipped with A8TR1 8-speed A/T and 2017MY~ Sportage (QL), Forte (YDm), and Cadenza (YG) vehicles equipped with the GEN2 Type (A6MF2-2 6-speed / A8LF1 8-speed) A/T. The type of solenoid valve used to control gear shifts changed from indirect to direct control type to reduce oil capacity and improve fuel efficiency.

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