ECU Upgrade

Symptom: Error code [5004-00-2000] appears while an ECU upgrade is in progress.Cause: The tablet failed to send the d...

Please use the following guide to upgrade from KDS 1.0 to KDS 2.0.A PDF file is also available for download at the bo...

Symptom: Event files are not visible in KDS 2.0/KDS2.0.         Resolution: 1. Update KDS 2.0/KDS2.0 to the latest v...

Step 1: Verify Compatibility Before Starting the ECU UpgradeBefore performing an ECU upgrade, confirm that the upgrad...

When attempting to update the ECU, the event file may not be available on the tablet.       If the issue persists af...

1. Symptom A message displaying error code 5021-34-7F40 appears during the ECU Update process.   2. Causes The softwa...

Error 7000-01-1010 is caused by a network or physical connection issue or incorrect environment settings. Check the s...

Symptoms   Possible Causes ECU installation issue: Incorrect physical installation may result in unstable communic...

If "ROM file cannot be found" or a similar error message appears in the diagnostic application (KDS 2.0, GENESIS Smar...

Written by Oscar SymptomDuring an ECU upgrade, the ECU returns a negative response 31 to the command specifying the u...

  Error Code: 7000-02-0027 Cause of Error This error occurs under the following condition:※ A static IP address is c...

1. After launching KDS 2.0, check the VCI connection status (Wi-Fi Direct, Bluetooth, or wired), and then select [Veh...

▶ [Currently Applicable][Prohibition] Do NOT perform ECU upgrades via Smart Diagnosis | (KST) 02-Oct-2025...

CauseThe ECU does not respond, or its response is delayed, when the diagnostic tool (diagnostic app) sends an encrypt...

  Error Code 5100-04-0002: Failed to Change VCI Mode Verify tha...

Some ECU Upgrade events require OTA Initialization to be completed first. KDS 2.0 performs this initialization automa...

ECU Upgrade Attempt Error If the following message appears while attempting an ECU Up...

CauseThe ECU does not respond or responds slowly to the memory erase or integrity verification command. Corrective Ac...

1. 5000–5019: File, Authentication, Transfer, and Basic Communication ErrorsError codes in this range indicate issues...

CauseThe ECU (control unit) sent a negative response to the data transfer command initiated by the ECU application (G...

This document describes the symptoms and causes of Ethernet-based ECU upgrade failures and provides step-by-step reso...

Error “7000-31-7F72” occurring at 95–99% during an ECU upgrade is primarily caused by routine execution conditions no...

Error “7000-10-7F22” occurs when the ECU returns Conditions Not Correct (NRC 0x22) in response to an Open Communicati...

This article explains how to configure an Ethernet connection by checking the hardware connections, selecting Etherne...

This article provides troubleshooting steps for Ethernet-required ECU Upgrade failures when using KDS 2.0 diagnostic ...

The “7000-C8-0001” error during an ECU upgrade occurs when an Ethernet socket connection to the gateway, particularly...