# Service bulletin 22\-EV\-001H

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: 10211676
- Published by NHTSA: 2022\-05\-10
- Manufacturer's number: 22\-EV\-001H
- Manufacturer's date: 2022\-04\-27
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin outlines the necessary inspection and repair procedures for certain 2019\-2020MY Kona EV \(OS EV\) vehicles, exhibiting abnormal rumbling noise from the electric traction motor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211676-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211676-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2019 to 2020 HYUNDAI KONA ELECTRIC

## Recalls for the same vehicles and component

- [2021252](/recalls/tc/2021252.md), 2021-04-28: Engine
- [21V301000](/recalls/nhtsa/21V301000.md), 2021-04-28: ENGINE
- [21V127000](/recalls/nhtsa/21V127000.md), 2021-03-01: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [20V630000](/recalls/nhtsa/20V630000.md), 2020-10-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE \(BMS/BECM\):SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [26\-EM\-016H TSB](/bulletins/11038458.md), 2026-10-14, Service bulletin: ENGINE. Some vehicles equipped with internal combustion engines may exhibit higher\-than\-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. All internal combustion engines consume some engine oil during normal operation, depending on driving conditions and mileage, and this procedure should only be performed when deemed necessary based on inspection and diagnosis of the vehicle as outlined in TSB 26\-EM\-015H, Engine Oil Consumption – Inspection \& Repair Guidelines, or the latest revision.
- [26\-EM\-015H TSB](/bulletins/11038456.md), 2026-10-13, Service bulletin: ENGINE. Certain vehicles equipped with internal combustion engines may exhibit higher\-than\-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engine oil as part of normal engine operation. Oil consumption rates may vary based on mileage, operating conditions, driving habits, and maintenance history. Hyundai recommends following the prescribed maintenance schedule and periodically checking the engine oil level using the dipstick to maintain proper engine oil level.
- [9C5 OL](/bulletins/11037293.md), 2026-09-11, Service campaign: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Hyundai has determined that certain Kona Electric and Ioniq Electric vehicles are eligible for a BMS software update. This update to the BMS software improves the system’s diagnostic capability.
- [26\-01\-065H DCS](/bulletins/11036686.md), 2026-09-02, Service campaign: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Certain Kona Electric \(OS EV\) and Ioniq Electric \(AE EV\) vehicles are eligible for a Battery Management System \(BMS\) software update. This update to the BMS software improves the system's diagnostic capability. Follow Technical Service Bulletin \(TSB\) 26\-01\-065H to complete the BMS software update.
- [26\-01\-065H DN](/bulletins/11036685.md), 2026-09-02, Service campaign: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Certain Kona Electric \(OS EV\) and Ioniq Electric \(AE EV\) vehicles are eligible for a Battery Management System \(BMS\) software update. This update to the BMS software improves the system’s diagnostic capability.
- [26\-01\-065H TSB](/bulletins/11036311.md), 2026-08-21, Service campaign: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Certain Kona Electric \(OS EV\) and Ioniq Electric \(AE EV\) vehicles are eligible for a Battery Management System \(BMS\) software update. This update to the BMS software improves the system’s diagnostic capability. Follow this bulletin to complete the BMS software update.
- [26\-EE\-003H TSB](/bulletins/11031400.md), 2026-04-21, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch \(solenoid\) assembly.
- [25\-01\-089H DCS](/bulletins/11027035.md), 2026-01-06, Other: ELECTRICAL SYSTEM. Upon customer's request ONLY, the Technical Service Bulletin \(TSB\) 25\-01\-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti\-theft decals on the front windows. This repair procedure is being provided in addition to the previous Anti\-Theft software provided under Service Campaign 993 \(TSB 24\-01\-009H\-1\).
- [25\-01\-089H DN](/bulletins/11027034.md), 2026-01-06, Other: ELECTRICAL SYSTEM. In addition to the Anti\-Theft software provided under Service Campaign 993 \(TSB 24\-01\-009H\-1\), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This supplemental security measure is to be installed at the ignition switch location and provides additional protection against the social media theft method. Vehicles not equipped with an immobilizer during production at the factory are eligible. The repair procedure shall be performed and claimed upon customer request only. Any future repairs to these vehicles in which an installed ignition cylinder protector impacts required parts and/or labor, shall be covered by HMA. Please see TSB 25\-01\-089H for details.
- [25\-01\-089H TSB](/bulletins/11027033.md), 2026-01-06, Other: ELECTRICAL SYSTEM. This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti\-theft decals on the front windows.

JSON: [/v1/bulletins/10211676](/v1/bulletins/10211676)

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