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Service bulletins for the 2022 Kia Sorento

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSB_ENG232_R12021-12-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ACCELERATION LOGIC IMPROVEMENT (ECU & TCU) (SA490) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to update the software logic of the Engine Control Unit (ECU) and Transmission Control Unit (TCU) on some 2022MY Sorento (MQ4a) vehicles and Telluride (ON) vehicles produced in the date ranges listed below, which may exhibit rough shift and hesitation during acceleration. Follow the procedure outlined in this publication to apply the improved logic to both the 'ENGINE' and 'A/T' systems using the KDS ECU Upgrade function as described in this bulletin.
TSB_FUE0552021-12-23. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: 2.5L GDI WITH MIL ON DTC P2074XX ECM LOGIC IMPROVEMENT (SA489A) - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2021-2022MY Sorento (MQ4a) vehicles with Theta 2.5L GDI engines, produced from September 30, 2020 through October 25, 2021, which may exhibit an MIL 'ON' with DTC P2074XX due to throttle position to Mass Air Flow Sensor (MAF) correlation value reading error under high load.
TSB_ENG2312021-10-02. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC22) - This bulletin provides information related to extracting "in use performance tracking" emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting.

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