# Service bulletin TSB\_ELE247

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: 10201527
- Published by NHTSA: 2021\-10\-02
- Manufacturer's number: TSB\_ELE247
- Manufacturer's date: 2021\-09\-15
- NHTSA component: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: HCU/LDC LOGIC IMPROVEMENT FOR P\-DTC \(SA484\) \- This bulletin provides the procedure to update the software logic of the Hybrid Control Unit/Low Voltage DC/DC Converter \(HCU/LDC\) system on some 2020\-2021MY Niro HEV \(DE HEV\) and Niro PHEV \(DE PHEV\) vehicles produced in the date ranges shown below, which may incorrectly set a Power Train Diagnostic Trouble Code \(P\-DTC\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201527-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201527-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2020 to 2021 KIA NIRO
- 2020 to 2021 KIA NIRO EV
- 2020 KIA NIRO PHEV

## Recalls for the same vehicles and component

- [23V534000](/recalls/nhtsa/23V534000.md), 2023-07-31: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS

JSON: [/v1/bulletins/10201527](/v1/bulletins/10201527)

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