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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10169701
Published by NHTSA2020-01-04
Manufacturer's numberTSB_CHA102
Manufacturer's date2019-12-04
NHTSA componentSTEERING; 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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Steering, Software

Vehicles listed
KIA SOUL2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SC199_TSB2021-01-06. Service bulletin. 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.