# Service bulletin TSB\_CHA102

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: 10169701
- Published by NHTSA: 2020\-01\-04
- Manufacturer's number: TSB\_CHA102
- Manufacturer's date: 2019\-12\-04
- NHTSA component: STEERING; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM

## NHTSA's summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: EPS DTC JUDGEMENT LOGIC IMPROVEMENT SOFTWARE UPGRADE \(SA409\) \- This bulletin provides the procedure to apply improved Diagnostic Trouble Code \(DTC\) judgement logic for the Electronic Power Steering \(EPS\) on some 2020MY Soul \(SK3\) vehicles, produced from November 15, 2018 through October 8, 2019, which requires a software upgrade. Install the improved logic of the EPS using the KDS ECU Upgrade function as described in this bulletin.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169701-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169701-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Steering, Software

## Vehicles listed

- 2020 KIA SOUL

## Other bulletins for the same vehicles and component

- [SC199\_TSB](/bulletins/10185023.md), 2021-01-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. SC199\_TSB: VOLUNTARY EMMISSIONS SERVICE CAMPAIGN \- IVT SOFTWARE LOGIC IMPROVEMENT AND/OR IVT REPLACEMENT \(SC199\) \- \(This bulletin was previously referred as 'SA424' or 'ELE 200'.\) This bulletin provides the procedure to update the Transmission Control Module \(TCM\) software logic and, if necessary, replace the Intelligent Variable Transmission \(IVT\) on certain 2019\-2021MY vehicles listed in the chart below. The affected vehicles may exhibit the illumination of MIL with the DTC\(s\) listed below in addition to a lack of acceleration or delay in accelerating due to transmission slippage.

JSON: [/v1/bulletins/10169701](/v1/bulletins/10169701)

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