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Service bulletins for the 2018 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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TSB_CLI049_R22026-09-02. 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_ELE3782025-03-26. 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_CLI049_R12023-07-05. 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_ENG219_R12022-09-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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 setting the "Service Interval Reminder" feature available on most 2014-2023MY Kia vehicles (refer to model list on page 2). If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance. Refer to TSB ENG241 for 2023MY~ vehicles equipped with the Oil Life Management System (OLMS) feature not included in table on page 2.
TSB_ELE044_R32022-05-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).
PS613_R12022-04-01. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: INSTRUMENT CLUSTER REPLACEMENT AND MILEAGE SETTING WITH KDS - 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 pitstop provides the KDS service procedure for mileage setting on the models listed below with newly replaced instrument clusters. Certain models allow for mileage setting with the KDS, which prevents the need to send out the instrument cluster to a 3rd party for mileage adjustment (refer to PS264). After a new cluster is installed, cluster (variant) coding may also need to be conducted using the KDS. Make sure the KDS software is also updated to the latest version. Mileage setting should be performed by using the KDS only, as described in this bulletin.
TSB_ELE231_R32021-12-23. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FORWARD COLLISION AVOIDANCE; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; LANE DEPARTURE. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - 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 the inspection and replacement of the front camera on some vehicles. Due to an internal control chip concern inside the camera, the vehicle may exhibit a Forward Collision Avoidance Assist Warning Lamp (A) and/or Master Warning Lamp (B) with C160449 and/or C160649 codes. Certain systems may become temporarily disabled during occurrences: Smart Cruise Control (SCC), Lane Keep Assistance (LKA), Lane Departure Warning (LDW), Forward Collision-Avoidance Assist (FCA), Forward Collision Warning (FCW) and/or Driver Attention Warning (DAW).
PS7132021-12-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. PITSTOP: NO START / NO DTC WITH KEY IGNITION - This Pitstop provides information to help troubleshoot a "no start" symptom on some 2017-2022MY Niro LX HEV (DE HEV) vehicles with standard 'key start' ignition. The 'Ready' icon on the instrument cluster will not illuminate 'ON'. The issue happens when the Hybrid Power Control Unit (HPCU) does not unlock the immobilizer when the start signal is sent.
TSB_ELE231_R22021-09-03. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; LANE DEPARTURE; FORWARD COLLISION AVOIDANCE; EQUIPMENT ADAPTIVE/MOBILITY. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - 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 the inspection and replacement of the front camera on some vehicles. Due to an internal control chip concern inside the camera, the vehicle may exhibit a Forward Collision Avoidance Assist Warning Lamp (A) and/or Master Warning Lamp (B) with C160449 and/or C160649 codes. Certain systems may become temporarily disabled during occurrences: Smart Cruise Control (SCC), Lane Keep Assistance (LKA), Lane Departure Warning (LDW), Forward Collision-Avoidance Assist (FCA), Forward Collision Warning (FCW) and/or Driver Attention Warning (DAW).
TSB_ELE044_R22021-08-25. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).
PS7042021-08-25. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors in the Forward Collision-Avoidance Assist (FCA)/Smart Cruise Control (SCC) system.
TSB_CHA084_R62020-12-02. Service bulletin. ENGINE AND ENGINE COOLING; STEERING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSB_CHA084_R52020-12-02. Service bulletin. STEERING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
PS6632020-11-13. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: MFC, CONCERNS FOR DISABLED OPERATION - This Pitstop provides information regarding concerns with disabled operation of Multi-Function Camera (MFC) on some Kia vehicles. When normal operation is not possible due to certain outside environment conditions (such as sunlight glare, heavy rain, sunlight, snow, fog and/or substance/debris) causing a temporary concern. This stops operation causing Warning Lamp ON and/or Pop-up Message displayed on the cluster. This is a normal operation of the ADAS and once environment conditions improve and/or substance/debris are removed, the system will clear itself and operate normally.
TSBELE2022020-09-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN SERVICE ACTION: IN-CABLE CONTROL BOX PROTECTION COVER INSTALLATION (SA425) - This bulletin provides information on the installation of the In-Cable Control Box (ICCB) / Level 1 Charge Cord protection cover on some Niro (PHEV/EV) vehicles listed below, in order to protect the ICCB from impact which can easily cause damage.
TSB_CLI0492020-07-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin provides information regarding partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima (TF HEV, JF HEV/PHEV/EV), Soul (PS EV) and Niro (DE HEV/PHEV/EV) vehicles.
TSB_ELE186_R22020-03-05. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ELECTRIC WATER PUMP INSPECTION AND REPAIR (SA394) - This bulletin has been revised to include additional information. This bulletin provides the procedure to inspect and repair the Electric Water Pump(s) (EWP) on some 2018-2019MY Niro (DE) HEV, PHEV, and EV vehicles produced between November 24, 2018 through January 30, 2019, which may exhibit a MIL ON (DTC U1116 and/or U1118) due to a coolant leak from the EWP Can Case.
TSB_ENG2112020-02-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: HEV/PHEV P0128 LOGIC IMPROVEMENT - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECU) on some 2017-2019MY Niro (DE HEV/PHEV) vehicles, produced from November 1, 2016 through November 25, 2019 and equipped with Kappa 1.6 GDI engine, regarding DTC (P0128) judgement logic. To correct this concern, apply the improved logic to the ECU using the KDS ECU Upgrade function as described in this bulletin.
TSBELE186_R12019-11-07. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN TSBELE186_Rev1: SERVICE ACTION: ELECTRIC WATER PUMP INSPECTION AND REPAIR (SA394) - This bulletin has been revised to include additional information. This bulletin provides the procedure to inspect and repair the Electric Water Pump(s) (EWP) on some 2018-2019MY Niro (DE) HEV, PHEV, and EV vehicles produced between November 24, 2018 through January 30, 2019, which may exhibit a MIL ON (DTC U1116 and/or U1118) due to a coolant leak from the EWP Can Case.
TSBELE1862019-10-04. Service bulletin. ELECTRICAL SYSTEM. TSB: SERVICE ACTION: ELECTRIC WATER PUMP INSPECTION AND REPAIR (SA394) - This bulletin provides the procedure to inspect and repair the Electric Water Pump(s) (EWP) on some 2018-2019MY Niro (DE) HEV, PHEV, and EV vehicles produced between November 24, 2018 through January 30, 2019, which may exhibit a MIL ON (DTC U1116 and/or U1118) due to a coolant leak from the EWP Can Case.
TSBELE161_R12019-10-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. TSB: COMBINATION TSB / SERVICE ACTION: COOLANT LEAK – OBC INLET HOSE DETACHING (SA365) - This bulletin has been revised to include additional information.This bulletin provides the procedure to install an onboard charger (OBC) quick disconnect spacer on some 2018-2019MY Niro (DE PHEV) vehicles, produced from March 21, 2018 through August 22, 2018, which may experience the OBC coolant inlet hose detaching. If detached, the following Hybrid System/Refill Inverter Coolant Warning(s) and/or HV DTCs may set: P0A93, P0A3C, and/or P0A3E.
PS6262019-10-03. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: CHARGE PORT STICKING AND/OR INTERMITTENT FAILURE TO CHARGE (PHEV/EV) - This bulletin provides the procedure to inspect the emergency charging door release cable on some 2018-2019MY Niro (PHEV/EV) vehicles when one of the following symptoms occur. * Vehicle does not charge or experiences an intermittent malfunction while charging. * Unable to insert or disconnect the charging cable.
TSBELE1852019-09-06. Service bulletin. ELECTRICAL SYSTEM. TSBELE185: SERVICE ACTION: DE HEV BMS DTC (P1B77) JUDGEMENT LOGIC IMPROVEMENT (SA393) - This bulletin provides the procedure to improve the logic of the Body Control Module (BCM) on some Niro (DE HEV) vehicles, produced from July 9, 2018 through January 28, 2019, which may experience a BMS MIL ON DTC P1B77.
TSBCHA0982019-09-06. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. TSBCHA098: IBAU SYSTEM REPAIR GUIDE FOR NOISE AND AIR BLEEDING - This bulletin provides the repair guide for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY Kia EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a “Honking” (hissing) noise due to air remaining in the brake fluid system.
TSBELE1692019-06-04. Service bulletin. ELECTRICAL SYSTEM. TSB: SERVICE ACTION: IGPM CHARGING DOOR OPERATION LOGIC IMPROVEMENT (SA382) - This bulletin provides the procedure to improve the charge port actuator logic of the IGPM (Integrated Gateway Power Module) on some 18-19MY Niro (DE PHEV) vehicles, produced from September 26, 2017 to May 9, 2018, which may not operate normally.

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