# Service bulletin 22\-HC\-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: 10213725
- Published by NHTSA: 2022\-06\-10
- Manufacturer's number: 22\-HC\-001H
- Manufacturer's date: 2022\-05\-18
- NHTSA component: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

## NHTSA's summary

If you are servicing an applicable model with Hybrid Drive Motor \(Traction Motor\) improper operation or any DTC listed in the related shop manual, Motor Control System, refer to the shop manual for diagnosis. If the diagnosis indicates a faulty hybrid drive motor, refer to the Service Procedure and replace the hybrid drive motor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213725-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213725-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2021 to 2023 HYUNDAI ELANTRA HYBRID
- 2017 to 2021 HYUNDAI IONIQ HYBRID
- 2018 to 2020 HYUNDAI IONIQ PLUG\-IN HYBRID

## Recalls for the same vehicles and component

- [23V589000](/recalls/nhtsa/23V589000.md), 2023-08-18: ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL
- [21V944000](/recalls/nhtsa/21V944000.md), 2021-12-07: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD \(OBCM\); ELECTRICAL SYSTEM:SOFTWARE
- [21V127000](/recalls/nhtsa/21V127000.md), 2021-03-01: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [2018562](/recalls/tc/2018562.md), 2018-10-12: Electrical
- [2018203](/recalls/tc/2018203.md), 2018-04-25: Electrical
- [2017433](/recalls/tc/2017433.md), 2017-09-07: Electrical

## 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\-GI\-002H TSB](/bulletins/11033710.md), 2026-06-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater \(NAU\) and updated by USB.
- [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\-EM\-007H TSB](/bulletins/11027036.md), 2026-01-06, Service bulletin: ENGINE. Some Elantra \(CN7, CN7A\), Kona \(OS, SX2\), and Sonata Hybrid \(DN8 HEV\) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 \(Cooling System Performance\) related to the Integrated Thermal\-Management Module \(ITM\). Follow the service procedure in this bulletin to install a spring onto the thermostat within the ITM, in order to prevent premature opening, and perform an ECU software update on affected vehicles.
- [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 \(TSB 24\-01\-009H\-1\).

JSON: [/v1/bulletins/10213725](/v1/bulletins/10213725)

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