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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PS464_R22018-08-06. Service bulletin. VISIBILITY; LANE DEPARTURE: BLIND SPOT DETECTION. PITSTOP - NO COMMUNICATION WITH BLIND SPOT DETECTION AFTER COLLISION REPAIRS - This Pitstop provides information relating to the vehicles listed below with Blind Spot Detection (BSD), which may exhibit a ?Check BSD System? message and no communication with the BSD system after collision repairs.
TSBELE1502018-08-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TSB - SERVICE ACTION: BATTERY MANAGEMENT SYSTEM LOGIC IMPROVEMENT (SA350) - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS) on some 2017-2018MY Niro (DE HEV) vehicles, produced from November 1, 2016 through May 25, 2018, which will improve PRA diagnosis.
PS549_R12018-08-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. PITSTOP - BATTERY TESTING PROCEDURE - This bulletin has been revised to include additional information. This Pitstop provides information regarding how to properly test the 12V battery on 18MY Stinger (CK) and Niro (DE PHEV) using the GR8 or the Kia Smart Battery Tester.
TSBELE1502018-07-30. Service bulletin. STRUCTURE. TSB - SERVICE ACTION: BATTERY MANAGEMENT SYSTEM LOGIC IMPROVEMENT (SA350) - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS) on some 2017-2018MY Niro (DE HEV) vehicles, produced from November 1, 2016 through May 25, 2018, which will improve PRA diagnosis.
PS549_R12018-07-30. Service bulletin. ELECTRICAL SYSTEM. PITSTOP - BATTERY TESTING PROCEDURE - This bulletin has been revised to include additional information. This Pitstop provides information regarding how to properly test the 12V battery on 18MY Stinger (CK) and Niro (DE PHEV) using the GR8 or the Kia Smart Battery Tester.
TSBELE1462018-06-25. Service bulletin. ELECTRICAL SYSTEM:WIRING; STEERING. TSB -SERVICE ACTION - FRONT WIRING HARNESS SECURING AND/OR REPAIR (SA343) - This bulletin provides information to secure and/or repair the front wire harness on some 2017-2018MY Niro (DE P/HEV) vehicles, produced from November 1, 2016 through April 26, 2018, which may exhibit a dash warning light(s) ON while driving, due to interference or damage from the harness rubbing against the lower steering shaft universal joint.
TSBCHA089R12018-06-25. Service bulletin. SUSPENSION:REAR; WHEELS. TSB - SERVICE ACTION: REAR LOWER CONTROL ARM REPLACEMENT (SA338) - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the rear lower control arms and/or damaged wheel(s) on some 2018MY Niro (DE PHEV) vehicles, produced from September 26, 2017 through January 22, 2018, which may experience a noise from the rear lower control arm rubbing against the inner part of the wheel rim.
TSBCHA086R12018-06-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; ELECTRONIC STABILITY CONTROL (ESC). TSB - SERVICE ACTION: BRAKE PEDAL FEEL LOGIC IMPROVEMENT (SA325/325A) - This bulletin has been revised to include additional information. This bulletin provides the procedure to improve the logic of the Electronic Stability Control/Active Hydraulic Booster (ESC/AHB) on all 2017-2018MY Niro (DE HEV) vehicles, produced from November 1, 2016 through October 25, 2017, which is to improve brake pedal feedback and feel to the driver.
PS5642018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. PITSTOP - CLOCK CONCERNS ON UVO eSERVICES (UVO 3.0) - This Pitstop contains information regarding possible concerns with the clock on UVO eServices (UVO 3.0) head units installed on 2017-2018MY vehicles.
PS5562018-05-14. Service bulletin. ELECTRICAL SYSTEM. PITSTOP - ENGINE DTC P060500 ? ECU ROM ERROR - This article provides information regarding the possible illumination of the malfunction indicator light (MIL) on some 2017-2018MY Niro (DE PHEV and HEV) vehicles with a stored DTC: P060500 (Internal Control Module Read Only Memory / ROM Error).
PS5542018-05-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. PITSTOP - DTC?S P0A0F AND P040400 AND/OR IMPROPER A/C OPERATION - When addressing a concern related to DTC?s P0A0F (Engine failed to start), P040400 (Exhaust Gas Recirculation Control Circuit Range/Performance), and/or improper A/C system operation, note that the cause may be related to a shorted A/C Pressure Transducer Wiring Harness (B) as a result of interference with the engine drive belt idler pulley, in vehicles produced prior to August 21, 2017. If this condition is found, the harness (A) should be repaired, re-routed and secured away from the pulley to prevent it from damage. Confirm all related components are functioning as designed.
PS5522018-05-14. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR; EQUIPMENT ADAPTIVE/MOBILITY. PITSTOP - CALIBRATING THE COMPASS IN THE ACCESSORY REAR VIEW MIRROR - This Pitstop provides information regarding the compass calibration procedure of the accessory rear view mirror after installation.
PS501_R12018-05-14. Service bulletin. SERVICE BRAKES. PITSTOP - INTEGRATED BRAKE ACTUATION UNIT (IBAU) VARIANT CODING - On 2017-2018MY Niro (DE P/HEV) vehicles, variant coding must be performed for the Integrated Brake Actuation Unit (IBAU) after replacement of the IBAU. Follow the procedure outlined in this publication to perform the variant coding.
TSBENG178_R12018-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
TSBCHA0892018-05-14. Service bulletin. WHEELS. TSB - SERVICE ACTION: REAR LOWER CONTROL ARM REPLACEMENT (SA338) - This bulletin provides the procedure to replace the rear lower control arms and/or damaged wheel(s) on some 2018MY Niro (DE PHEV) vehicles, produced from September 26, 2017 through January 22, 2018, which may experience a noise from the rear lower control arm rubbing against the inner part of the wheel rim.
PS5512018-04-16. Service bulletin. BACK OVER PREVENTION; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. PITSTOP - RATTLE NOISE FROM REAR OF THE VEHICLE (PS551) - This Pitstop contains information regarding a rattle type noise heard from the rear of the vehicle when closing a door or trunk on some 2016MY-2018MY vehicles.
PS5392018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. 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.
TSBBOD180_R12018-02-12. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. TSB - SERVICE ACTION: FUEL FILLER DOOR SPRING REPAIR (SA326) - This bulletin provides the procedure to repair the fuel filler door pop-up spring on all 2018MY Niro (DE) vehicles, produced from July 24, 2017 through December 7, 2017 which may not allow the fuel filler door to open properly.
PS500_R12018-02-12. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). PITSTOP - PREMIUM NAVIGATION OR UVO eco WITH NAVIGATION (AVN 5.0) - This Pitstop provides information regarding the features and functionality on the latest generation Premium Navigation or UVO eco with Navigation (designated as AVN 5.0) system that is applied to some 2018MY Sportage (QL), Optima (JFa), Soul (PS), Stinger (CK), and Niro PHEV (DE) vehicles. This system features a dual core processor which should result in a faster system response and loading performance between applications as compared to the previous navigation system.
TSBENG1782018-02-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
TSBCHA0862018-01-16. Service bulletin. SERVICE BRAKES; ELECTRONIC STABILITY CONTROL (ESC). TSB - SERVICE ACTION: CUSTOMER STATISFACTION BRAKE PEDAL FEEL LOGIC IMPROVEMENT (SA325) - This bulletin provides the procedure to improve the logic of the Electronic Stability Control/Active Hydraulic Booster (ESC/AHB) on some 2018MY Niro HEV (DE) vehicles, produced from July 24, 2017 through October 25, 2017, which is to address an improved brake pedal feedback and feel to the driver. This improvement does not affect the braking performance or stopping distance.
TSBBOD1802018-01-16. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. TSB - SERVICE ACTION: FUEL FILLER DOOR SPRING REPAIR (SA326) - This bulletin provides the procedure to repair the fuel filler door pop-up spring on all 2018MY Niro (DE) produced from July 24, 2017 through December 7, 2017 which may not allow the fuel filler door to open properly.
PS505R12017-12-22. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP - OIL GRADE AND VISCOSITY - For 2017-18MY Niro (DE HEV) vehicles equipped with the 1.6L GDI Kappa engine, the recommended oil grade/spec to use is 0W-20 API SN synthetic oil or ACEA C2 SAE 5W-30 (petroleum based oil).
PS5222017-11-14. Service bulletin. ELECTRICAL SYSTEM. PITSTOP - ECO-COASTING (ECOASTING) & ECO-DAS (DRIVING ASSISTANT SYSTEM) OVERVIEW ? CUSTOMER TIP - This Pitstop provides information regarding Eco-Coasting Guide (eCoasting) and Eco-Driving Assistant System (DAS) found on 2017-18MY Niro (DE HEV), Niro Plug-in (DE PHEV), Optima Hybrid (JF HEV), and Optima Plug-in (JF PHEV) vehicles.
PS5052017-11-14. Service bulletin. ENGINE. PITSTOP - OIL GRADE AND VISCOSITY - For 2017-18MY Niro (DE HEV) vehicles equipped with the 1.6L GDI Kappa engine, the recommended oil grade/spec to use is 0W-20 API SN synthetic oil or ACEA C2 SAE 5W-30 (petroleum based oil).

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