Service bulletin PS505

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10123318
Published by NHTSA	2017-11-14
Manufacturer's number	PS505
Manufacturer's date	2017-10-05
NHTSA component	ENGINE

NHTSA's summary

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 document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
KIA NIRO	2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2018218	2018-05-01. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_ENG222_R8	2025-04-18. Service bulletin. 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_ENG222_R7	2025-03-04. Service bulletin. 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.
TSB_ENG219_R1	2022-09-30. Service bulletin. 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.
PS730	2022-06-03. Service bulletin. PITSTOP: RANDOM MISFIRES/OVERHEATING DUE TO LOW COOLANT - This Pitstop provides information to help identify one cause of low coolant, random misfires, and/or possible overheating on some 2017-2022MY Niro HEV (DE HEV) and 2018-2022MY Niro PHEV (DE PHEV) vehicles. The cause may be a small coolant leak in the EGR Cooler. Locating this leak may be difficult.
TSB_ENG222_R6	2022-03-31. Service bulletin. 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 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
TSB_ENG222_R5	2022-01-20. Service bulletin. 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 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
TSB_ENG222_R4	2021-12-23. Service bulletin. 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 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
PS713	2021-12-01. Service bulletin. 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.
PS709	2021-10-02. Service bulletin. PITSTOP: ENGINE OVERHEATING IN NIRO HEV/PHEV - This Pitstop provides information to help troubleshoot an overheating symptom on some 2017-2022MY Niro HEV (DE HEV) and 2018-2022MY Niro PHEV (DE PHEV) which may exhibit coolant boiling in the reservoir. Overheating may occur due to a bypass valve in the Exhaust Heat Recovery System (EHRS) stuck in the closed position.
TSB_ENG222_R3	2021-09-10. Service bulletin. 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 2011-2019MY vehicles (refer to table below for applicable model and engine), which may exhibit a symptom of excessive oil consumption.