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Manufacturer communication · Emissions

Kia bulletin SC305

Kia filed this with NHTSA as a emissions communication dated Aug 14, 2024, received Aug 9, 2024, about the engine — 7 documents under this number: SC305_OWNR, SC305_TSB, SC305_STKR, SC305_POC and more. It names 1 model year (2023). A emissions communication is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: EGR CONTROL VALVE PIPE AND HOSE REPLACEMENT (SC305) - This bulletin provides information to replace the Exhaust Gas Recirculation (EGR) control valve pipe and hose on certain 2023MY Niro HEV (SG2 HEV) vehicles produced from June 21, 2022 through March 20, 2023 and 2023MY Niro PHEV (SG2 PHEV) vehicles produced from July 11, 2022 through March 17, 2023. The subject vehicles may experience illumination of the Check Engine Light (CEL) due to excessive intake manifold pressure fluctuation. This condition may cause the vehicle to release air pollutants that exceeds Federal and California standards.

Manufacturer campaign id SC305 Kind Emissions (also filed as Service bulletin) Manufacturer date Aug 14, 2024 Received by NHTSA Aug 9, 2024 Components Engine First dated Aug 12, 2024

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
SC305_OWNREmissionsAug 14, 202411006217not yet checked
SC305_TSBService bulletinAug 13, 202411006369not yet checked
SC305_STKREmissionsAug 12, 202411006219not yet checked
SC305_POCEmissionsAug 12, 202411006218not yet checked
SC305_QAEmissionsAug 12, 202411006216not yet checked
SC305_DPSMEmissionsAug 12, 202411006215not yet checked
SC305_DPEmissionsAug 12, 202411006213not yet checked

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Kia SC305 a recall?

No. A emissions communication is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the SC305 repair free?

A emissions communication is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.

Which vehicles does SC305 cover?

The manufacturer filed it against 1 model year: 2023 Kia Niro. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.