# Service bulletins for the 2019 Kia Niro

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.

99 bulletins from NHTSA, as of 2026-10-19.

- [TSB\_CLI049\_R2](/bulletins/11036628.md), 2026-09-02, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR – ELECTRICAL A/C COMPRESSOR \- 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 partial repair of the Air Conditioning \(A/C\) compressor assembly on some 2011MY\~ Optima Hybrid \(TF HEV, JF HEV/PHEV\), 2015MY\~ Soul EV \(PS EV\), 2017MY\~ Niro \(DE HEV/PHEV/EV\), 2022MY\~ EV6 \(CV\), 2021MY\~ Sorento \(MQ4 HEV/PHEV\), 2023MY\~ Sportage \(NQ5 HEV/PHEV\), and 2023MY\~ Niro \(SG2 EV/HEV/PHEV\) vehicles.
- [TSB\_ELE417](/bulletins/11031906.md), 2026-05-01, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE \- This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software downloads and USB preparation process is similar across all supported platforms; however, in‑vehicle installation procedures vary by head unit type.
- [PS797](/bulletins/11026698.md), 2025-12-18, Other: BACK OVER PREVENTION: WARNINGS. PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning \(PDW\) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking, by calculating distance based on the difference in signal transmission and reception times between the vehicle \(ultrasonic sensor\) and an object. The membrane film of the ultrasonic sensor is used for object detention and can be damaged by stone chips or foreign substances while driving. Damage to the cover of the ultrasonic sensor can also lead to damage to the internal circuit. As a result of this external damage, the PDW system may not receive the proper signal from the ultrasonic sensor. In some cases, the system may cause a false alarm, no alert, or phantom warnings by a “Warning Lamp’ to be displayed on the cluster. The ultrasonic sensor membrane film should be always inspected for external damage and if any part replacement should be treated as a general repair, not as a warranty claim repair for this concern. \(Please note that this Pitstop only applies to models/trims that are equipped with the ultrasonic sensors.\)
- [SC321\_OWNR\_201](/bulletins/11022350.md), 2025-09-02, Service campaign: SERVICE BRAKES. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION \(SC321\) \- This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to address a potential corrosion concern with the Integrated Electronic Brake \(IEB\) in certain 2019\-2022 MY Niro EV vehicles that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
- [TSB\_TRA046\_R5](/bulletins/11017172.md), 2025-04-23, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE \- 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 relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, and the transmission oil cooler is transferred to the new transmission.
- [TSB\_ENG222\_R8](/bulletins/11017109.md), 2025-04-18, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- 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 on diagnosing and/or repairing some 2011\-2024MY vehicles \(refer to the table on pages 9 and 10 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_ELE378](/bulletins/11015973.md), 2025-03-26, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT MODEM RESET \(SA611\) \- This bulletin outlines the procedure for resetting the modem in certain 2016\-2025MY Kia vehicles listed on page 3 that are equipped with Kia Connect Services. The affected vehicles may encounter the following issues: remote Start/Climate Control function not working, vehicle Status on the Kia Access App not updating, connected routing not functioning properly.
- [TSB\_ELE270\_R3](/bulletins/11015367.md), 2025-03-08, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE “REFILL INVERTER COOLANT” \(SA512\) \- 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 flush out the inverter low\-conductivity coolant \(BSC\-1\) on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from May 10, 2019 through October 4, 2021, which may exhibit a “Refill inverter coolant” message displayed on the instrument cluster due to poor flow of coolant/antifreeze inside the coolant pipes. In most cases, the inverter reservoir tank coolant may be filled to normal level and no DTC’s are stored due to an increase operation of the electric water pump \(EWP\) that is 2,450 RPMs or more when checked.
- [TSB\_ENG222\_R7](/bulletins/11014912.md), 2025-03-04, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- 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 on diagnosing and/or repairing some 2011\-2024MY vehicles \(refer to the tables on pages 8\-9 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [SC321\_TSB\_R1](/bulletins/11008143.md), 2024-09-30, Service campaign: SERVICE BRAKES. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: IEB INSPECTION AND WATER PROOFING OR IEB REPLACEMENT \(SC321\) \- 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 inspect the Integrated Electronic Booster \(IEB\) on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from December 5, 2018 through April 12, 2022, that were originally sold or are currently registered in one of the 28 states where heavy amounts of road salt are used. Over time, saltwater inflow into the Integrated IEB at the IEB fastening bolt hole may cause corrosion and lead to an inoperable IEB motor. Should this occur, the vehicle may experience illumination of the Anti\-lock Brake System \(ABS\), Forward Collision\-Avoidance Assist \(FCA\) warning lights, and/or a firmer brake pedal feel. The brakes remain operational. Kia is conducting this service campaign to improve corrosion resistance of the IEB assembly.
- [SC321\_TSB](/bulletins/11008033.md), 2024-09-25, Service bulletin: SERVICE BRAKES. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: IEB INSPECTION AND WATER PROOFING OR IEB REPLACEMENT \(SC321\) \- This bulletin provides the procedure to inspect the Integrated Electronic Booster \(IEB\) on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from December 5, 2018 through April 12, 2022, that were originally sold orare currently registered in one of the 28 states where heavy amounts of road salt are used. Over time, saltwater inflow into the Integrated IEB at the IEB fastening bolt hole may cause corrosion and lead to an inoperable IEB motor. Should this occur, the vehicle may experience illumination of the Anti\-lock Brake System \(ABS\), Forward Collision\-Avoidance Assist \(FCA\) warning lights, and/or a firmer brake pedal feel. The brakes remain operational. Kia is conducting this service campaign to improve corrosion resistance of the IEB assembly.
- [SC321\_QA](/bulletins/11007895.md), 2024-09-18, Service campaign: SERVICE BRAKES. WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER \(SC321\) \- This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC321.
- [SC321\_OWNR](/bulletins/11007894.md), 2024-09-18, Service campaign: SERVICE BRAKES. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION \(SC321\) \- This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to address a potential corrosion concern with the Integrated Electronic Brake \(IEB\) in certain 2019\-2022 MY Niro EV vehicles that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
- [SC321\_DPSM](/bulletins/11007890.md), 2024-09-18, Service campaign: SERVICE BRAKES. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO \(SC321\) \- This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to address a potential corrosion concern with the Integrated Electronic Brake \(IEB\) on certain 2019\-2022 MY Niro EV vehicles, manufactured from December 5, 2018 through April 12, 2022, that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
- [SC321\_DP](/bulletins/11007883.md), 2024-09-18, Service campaign: SERVICE BRAKES. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO \(SC321\) \- This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to address a potential corrosion concern with the Integrated Electronic Brake \(IEB\) on certain 2019\-2022 MY Niro EV vehicles, manufactured from December 5, 2018 through April 12, 2022, that were originally sold in or are currently registered in one of the 28 states with high road salt usage.
- [TSB\_TRA046\_R4](/bulletins/11000787.md), 2024-06-04, Service bulletin: POWER TRAIN. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
- [TSB\_ELE270\_R2](/bulletins/10244290.md), 2023-11-03, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE "REFILL INVERTER COOLANT" \(SA512\) \- 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 flush out the inverter low\-conductivity coolant \(BSC\-1\) on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from May 10, 2019 through October 4, 2021, which may exhibit a "Refill inverter coolant" message displayed on the instrument cluster due to poor flow of coolant/antifreeze inside the coolant pipes. In most cases, the inverter reservoir tank coolant may be filled to normal level and no DTC's are stored due to an increase operation of the electric water pump \(EWP\) that is 2,450 RPMs or more when checked.
- [TSB\_CLI049\_R1](/bulletins/10238225.md), 2023-07-05, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR; VISIBILITY. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR \- ELECTRICAL A/C COMPRESSOR \- 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 partial repair of the Air Conditioning \(A/C\) compressor assembly on some 2011MY\~ Optima Hybrid \(TF HEV, JF HEV/PHEV\), 2015MY\~ Soul EV \(PS EV\), 2017MY\~ Niro \(DE HEV/PHEV/EV\), 2022MY\~ EV6 \(CV\), 2021MY\~ Sorento \(MQ4 HEV/PHEV\), 2023MY\~ Sportage \(NQ5 HEV/PHEV\), and 2023MY\~ Niro \(SG2 EV/HEV/PHEV\) vehicles.
- [TSB\_ELE270\_R1](/bulletins/10238226.md), 2023-07-01, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE \&\#39;REFILL INVERTER COOLANT\&\#39; \(SA512\) \- 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 flush out the inverter low\-conductivity coolant \(BSC\-1\) on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from May 10, 2019 through October 4, 2021, which may exhibit a \&\#39;Refill inverter coolant\&\#39; message displayed on the instrument cluster due to poor flow of coolant/antifreeze inside the coolant pipes. In most cases, the inverter reservoir tank coolant may be filled to normal level and no DTC\&\#39;s are stored due to an increase operation of the electric water pump \(EWP\) that is 2,450 RPMs or more when checked.
- [PS748](/bulletins/10237607.md), 2023-07-01, Service bulletin: ELECTRICAL SYSTEM. PITSTOP: SHARING KIA CONNECT CREDENTIALS WITH THIRD\-PARTY APPS AND POTENTIAL IMPACT TO 12V BATTERY IN EVS \- Kia is aware of reports of unexpected drainage of the 12\-volt battery in some Kia electric vehicles \(EVs\). While Kia’s investigation is ongoing, a possible cause of the issue may be third\-party applications used by the customer that are causing excessive Kia Connect connections to the customer’s EV.
- [TSB\_BOD314](/bulletins/10237139.md), 2023-06-01, Service bulletin: STRUCTURE; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; STRUCTURE:INTERIOR PANELS:SUN VISOR; INTERIOR LIGHTING. TECHNICAL SERVICE BULLETIN: OVERHEAD CONSOLE SUNGLASS DOOR\-LATCH REPAIR \- This bulletin provides information to repair the overhead console lamp assembly and sunglass door latch on some 2012\-2023MY model vehicles listed in the table below, which may encounter the sunglass case of the overhead console lamp not closing properly.
- [TSB\_ELE293\_R1](/bulletins/10236659.md), 2023-05-26, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: BMS DTC JUDGEMENT LOGIC IMPROVEMENT \- 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 Battery Management System \(BMS\) on some 2019\-2022MY Niro EV \(DE EV\) vehicles produced from December 5, 2018 through April 12, 2022. The BMS ECU monitors voltage deviation between battery cells, poor insulation, abnormal cell voltage changes after charging, abnormal current change during charging, over\-voltage, temperature deviation or average cell deviation during driving is detected. These conditions can cause the BMU to set DTC P1AA600. The affected vehicles may exhibit a reduction in power and speed \(limp home mode\) and a MIL \&\#39;ON\&\#39; with DTC P1AA600 stored. This BMS DTC logic improvement will expand DTC P1AA600 into multiple DTCs to aid in proper diagnosis, which reduces the required time and steps outlined in the \&\#39;DTC Inspection\&\#39; on KGIS to determine the fault using \&\#39;freeze frame\&\#39; data.
- [TSB\_ELE293](/bulletins/10236658.md), 2023-05-26, Service bulletin: ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: BMS DTC JUDGEMENT LOGIC IMPROVEMENT \- This bulletin provides the procedure to update the software logic of the Battery Management System \(BMS\) on some 2019\-2022MY Niro EV \(DE EV\) vehicles produced from December 5, 2018 through April 12, 2022. The BMS ECU monitors voltage deviation between battery cells, poor insulation, abnormal cell voltage changes after charging, abnormal current change during charging, over\-voltage, temperature deviation or average cell deviation during driving is detected. These conditions can cause the BMU to set DTC P1AA600. The affected vehicles may exhibit a reduction in power and speed \(limp home mode\) and a MIL \&\#39;ON\&\#39; with DTC P1AA600 stored. This BMS DTC logic improvement will expand DTC P1AA600 into multiple DTCs to aid in proper diagnosis, which reduces the required time and steps outlined in the \&\#39;DTC Inspection\&\#39; on KGIS to determine the fault using \&\#39;freeze frame\&\#39; data.
- [TSB\_ELE270](/bulletins/10235407.md), 2023-05-04, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE \&\#34;REFILL INVERTER COOLANT\&\#34; \(SA512\) \- This bulletin provides information to flush out the inverter low\-conductivity coolant on certain 2019\-2022MY Niro EV \(DE EV\) vehicles produced from May 10, 2019 through October 4, 2021, which may exhibit a \&\#34;Refill inverter coolant\&\#34; message displayed on the instrument cluster due to poor flow of coolant/antifreeze inside the coolant pipes. In most cases, the inverter reservoir tank coolant may be filled to normal level and no DTC\&\#39;s are stored due to an increase operation of the electric water pump \(EWP\) that is 2,450 RPMs or more when checked.
- [TSB\_TRA046\_R3](/bulletins/10226555.md), 2022-12-06, Service bulletin: POWER TRAIN. TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE \- This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2.

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