# Service bulletin 24\-EV\-005H

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: 11006114
- Published by NHTSA: 2024\-08\-07
- Manufacturer's number: 24\-EV\-005H
- Manufacturer's date: 2024\-07\-25
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

Certain 2020\-21MY IONIQ Electric \(AE EV\) vehicles may experience a condition of EV warning light ON with DTC P1AA600 – P1AB000. If any of the DTC’s listed below are found, the Battery System Assembly \(BSA\) will be replaced, and the Battery Management System \(BMS\) software may need to be updated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006114-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006114-9999.pdf)

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

## Components

Fuel system

## Trouble codes named

P1AA6, P1AB0

## Vehicles listed

- 2020 to 2021 HYUNDAI IONIQ ELECTRIC

## Other bulletins for the same vehicles and component

- [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.

JSON: [/v1/bulletins/11006114](/v1/bulletins/11006114)

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