# Service bulletin PS539

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.

- Type: Service bulletin
- NHTSA id: 10133170
- Published by NHTSA: 2018\-04\-16
- Manufacturer's number: PS539
- Manufacturer's date: 2018\-03\-02
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

PITSTOP \- ENGINE COMPONENT RE\-USE GUIDELINES \- In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10133170-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10133170-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2004 to 2009 KIA AMANTI
- 2009 to 2010 KIA BORREGO
- 2014 to 2018 KIA CADENZA
- 2010 to 2018 KIA FORTE
- 2010 to 2015 KIA FORTE KOUP
- 2016 KIA FORTE KOUP
- 2015 to 2018 KIA K900
- 2017 to 2018 KIA NIRO
- 2001 to 2018 KIA OPTIMA
- 2011 to 2018 KIA OPTIMA HYBRID
- 2017 KIA OPTIMA PHEV
- 2001 to 2018 KIA RIO
- 2007 to 2010 KIA RONDO
- 2002 to 2012 KIA SEDONA
- 2014 to 2017 KIA SEDONA
- 1993 to 2001 KIA SEPHIA
- 2003 to 2009 KIA SORENTO
- 2011 to 2018 KIA SORENTO
- 2010 to 2018 KIA SOUL
- 2015 to 2017 KIA SOUL EV
- 2000 to 2009 KIA SPECTRA
- 1995 to 2002 KIA SPORTAGE
- 2005 to 2018 KIA SPORTAGE
- 2018 KIA STINGER

## Recalls for the same vehicles and component

- [2024146](/recalls/tc/2024146.md), 2024-03-04: Engine
- [24V169000](/recalls/nhtsa/24V169000.md), 2024-03-01: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER:HOSES/PLUMBING
- [2023695](/recalls/tc/2023695.md), 2023-12-22: Engine
- [23V877000](/recalls/nhtsa/23V877000.md), 2023-12-21: ENGINE
- [2021733](/recalls/tc/2021733.md), 2021-12-07: Engine
- [2021666](/recalls/tc/2021666.md), 2021-11-01: Engine
- [21V844000](/recalls/nhtsa/21V844000.md), 2021-10-29: ENGINE
- [2021424](/recalls/tc/2021424.md), 2021-07-09: Engine
- [2021224](/recalls/tc/2021224.md), 2021-04-14: Engine
- [21V260000](/recalls/nhtsa/21V260000.md), 2021-04-13: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP

## Other bulletins for the same vehicles and component

- [SC340\_TSB\_R5](/bulletins/11031854.md), 2026-05-01, Emissions: ENGINE. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT \(SC340 REVISION 5\) \- 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 information to upgrade the Electronic Control Module ‘ECM’ system software for certain 2016\-2020MY Optima, 2016\-2020MY Sorento, 2017\-2022MY Sportage vehicles equipped with 2.4L Theta II engines listed in the table below. Kia has become aware that certain 2016\-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.
- [PI2107\_OWNR\_501](/bulletins/11031846.md), 2026-05-01, Other: ENGINE; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION \(PI2107 Flight 501\) \- This document is the owner renotification advising that Kia is conducting an important Product Improvement Campaign to perform a software update on 2017\-2019 MY Kia Soul vehicles equipped with 2.0\-liter Nu GDI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit \(“ECU”\).
- [SC340\_OWNR\_NQ5\_105](/bulletins/11030391.md), 2026-04-01, Emissions: ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION \(SC340 FLIGHT 105\) \- This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module \(ECM\) for certain 2017\-2022 MY Sportage vehicles equipped with 2.4L Gas Direct Injection \(GDI\) engines to ensure compliance with emissions regulations.
- [SC340\_OWNR\_JF\&JFA\_104](/bulletins/11030390.md), 2026-04-01, Emissions: ENGINE; ELECTRICAL SYSTEM. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION \(SC340 FLIGHT 104 \) \- This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module \(ECM\) for certain 2016\-2020 MY Optima vehicles equipped with 2.4L Gas Direct Injection \(GDI\) engines to ensure compliance with emissions regulations.
- [WTY026\_TSB\_R2](/bulletins/11030382.md), 2026-04-01, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH \(OPS\) REPLACEMENT \(WTY026 REVISION 2\) \- 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 information regarding the replacement of the Oil Pressure Switch associated with the ‘Warranty Extension Program’ \(WTY026\) on some 2014\-2018MY vehicles listed in the table below, for repairs that may be necessary to address an Oil Pressure Switch leak in the eligible vehicles listed below from 10 years/100,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Oil Pressure Switch leaking condition at no cost to the customers during this extended warranty period.
- [PI2106\_OWNR\_501](/bulletins/11030378.md), 2026-04-01, Other: ELECTRICAL SYSTEM; ENGINE. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION \(PI2106 FLIGHT 501\) \- This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2017\-2018 MY Kia Forte vehicles equipped with 2.0\-liter Nu GDI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit \(“ECU”\).
- [SC176Y\_TSB\_R1](/bulletins/11030346.md), 2026-03-31, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: CATALYTIC CONVERTER REPLACEMENT AND ENGINE INSPECTION/REPLACEMENT \(SC176Y\) \- 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 catalytic converter and engine sub\-assembly diagnosis and repair information on certain 2012\-2016MY Soul \(AM, PS\) vehicles produced from July 8, 2011 through August 11, 2016, that previously had the recall campaign SC176 completed. The affected vehicles may exhibit catalyst system efficiency deterioration or a malfunction indicator lamp illumination with an active, history or pending P0420 with or without a P030X misfire DTC.
- [PI2105\_OWNR\_501](/bulletins/11030343.md), 2026-03-31, Other: ENGINE; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION \(PI2105 FLIGHT 501\) \- This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2016 MY Forte and Forte Koup vehicles equipped with 2.0\-liter GDI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit \(“ECU”\).
- [PI2104\_OWNR\_501](/bulletins/11030342.md), 2026-03-31, Other: ENGINE; ELECTRICAL SYSTEM. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION \(PI2104 FLIGHT 501\) \- This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2014\-2016 MY Optima Hybrid vehicles equipped with 2.4\-liter MPI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit \(“ECU”\).
- [SC340\_TSB\_R4](/bulletins/11029979.md), 2026-03-13, Emissions: ELECTRICAL SYSTEM; ENGINE. TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT \(SC340 REV 4\) \- 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 information to upgrade the Electronic Control Module ‘ECM’ system software for certain 2016\-2022MY vehicles equipped with 2.4L Theta II engines listed in the table below. Kia has become aware that certain 2016\-2022MY vehicles equipped with 2.4L Theta II engines may have engine calibrations that were not optimized for emissions standards under certain specific conditions. These calibrations may cause the vehicle to release air pollutants which exceed Federal and California standards. These standards were established to protect your health and welfare from the dangers of air pollution.

JSON: [/v1/bulletins/10133170](/v1/bulletins/10133170)

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