Service bulletins for the 2022 Kia Carnival
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.
96 on file from NHTSA, as of 2026-10-19.
About P0456 on the 2022 Kia Carnival: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0456 are shown. Show all
| TSB_FUE057 | 2022-04-02. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2022MY Carnival (KA4) vehicles produced from January 4, 2021 through January 12, 2022, which may exhibit an MIL 'ON' with DTC P0456. Follow the procedure outlined in this publication to apply the improved logic to the 'ECM' system using the KDS ECU Upgrade function as described in this bulletin. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.