[Notice] From 20 August 2026, Diagnostic Number (VDN) Will No Longer Be Transmitted from KDS 1.0 to e-Report / GWMS

Dear Customer,

This notice is a follow-up to the previously announced security upgrade of the diagnostic service servers. Please read the details below and complete the required actions before the effective date.

▶ Previous notice: Notice for Customers Using KDS 1.0, Transition to KDS 2.0 Required

1. What Is Changing

From 20 August 2026, the diagnostic number (VDN) created during vehicle diagnosis on KDS 1.0 will no longer be delivered to the following systems:

• e-Report — diagnostic report transmission
• GWMS — warranty/work management data linkage

As a result, diagnostic results performed on KDS 1.0 will not be registered in e-Report or GWMS, and any downstream task that depends on the VDN cannot be completed.

2. Why This Change Is Being Made

To comply with security standards and strengthen data protection, the communication protocol of the diagnostic service servers has been upgraded to TLS 1.2.

KDS 1.0 does not support TLS 1.2. Once the requirement is enforced on the e-Report and GWMS linkage, KDS 1.0 can no longer establish a secure connection to those servers, so VDN transmission fails. This is a security requirement and cannot be bypassed by a KDS 1.0 update or a setting change on the device.

3. Expected Impact

3-1. Direct impact from 20 August 2026

• The diagnostic number (VDN) is not transmitted from KDS 1.0 to e-Report.
• The diagnostic number (VDN) is not transmitted from KDS 1.0 to GWMS.
• Work that requires the VDN to be registered in e-Report or GWMS cannot be completed on KDS 1.0.

3-2. Related restrictions previously announced

• Functions that require server communication or a network connection may become unusable or may return errors.
• Even if the diagnostic app launches, failures may occur during server-related procedures (authentication / download / update verification), making normal use difficult.

4. Required Actions

Step 1. Check the KDS version and the tablet OS

Confirm whether each tablet in operation is running KDS 1.0 or KDS 2.0, and check the Android OS version of the device. KDS 2.0 requires a device that meets the supported specification.

▶ Tablet PC specification for GDS Smart, GENESIS Smart, KDS 2.0 Including Noise Inspection

Step 2. Transition to KDS 2.0

By moving from KDS 1.0 to the KDS 2.0 platform, you ensure compatibility with the latest OS and security protocols, enabling stable and reliable service including e-Report and GWMS linkage.

▶ How to transition to KDS 2.0 (Update Service Termination of KDS 1.0)
▶ KDS Update Service Termination

Step 3. Replace or upgrade devices that cannot run KDS 2.0

For devices that cannot use KDS 2.0, please update to Android 8.0 or above where possible. If the device cannot be upgraded due to manufacturer policy or hardware limitations, replacement with a device supporting a higher OS version, or transition to new equipment, is advised.

Step 4. Prepare your workshop before the effective date

• Download essential resources and updates in advance.
• Back up locally any materials required for on-site work.
• Secure alternative equipment so that diagnosis and reporting are not interrupted.

5. Schedule

Any further changes to this schedule will be announced separately through this Help Center.

6. FAQ

Q1. What exactly stops working on 20 August 2026?

A. The diagnostic number (VDN) produced by KDS 1.0 will not be transmitted to e-Report or GWMS. Diagnostic results carried out on KDS 1.0 will therefore not be registered in those systems.

Q2. Why is TLS 1.2 required?

A. To comply with security standards and strengthen data protection, the communication protocol of the servers has been upgraded. Applying the latest standard improves network security and stability.

Q3. Can this be fixed by updating KDS 1.0?

A. No. KDS 1.0 does not support TLS 1.2, and this cannot be resolved by a KDS 1.0 update or a device setting change. Transition to KDS 2.0 is required.

Q4. Can the issue be resolved by upgrading the OS?

A. Some devices may have upgrade restrictions due to manufacturer policies or hardware limitations. Please update to Android 8.0 or above if possible. If not, transitioning to devices supporting higher OS versions is recommended.

Q5. Is KDS 2.0 affected?

A. No. This notice applies to KDS 1.0 only. KDS 2.0 supports the required security protocol and continues to transmit to e-Report and GWMS normally.

Q6. What must be done during on-site operations?

A. Before the effective date, please download essential resources and updates in advance, locally back up materials needed for work, and secure alternative equipment.

Q7. What about additional costs or support?

A. Equipment replacement / transition and support policies may vary by corporation and region. Please contact your regional representative or the Quality Service team for detailed guidance.

7. Related Notices and Guides

• Notice for Customers Using KDS 1.0, Transition to KDS 2.0 Required
• Update Service Termination of KDS 1.0 (How to transition to KDS 2.0)
• KDS Update Service Termination
• Tablet PC specification for GDS Smart, GENESIS Smart, KDS 2.0 Including Noise Inspection

8. Contact

We kindly ask for your cooperation in completing the transition before 20 August 2026 so that your diagnostic and reporting operations are not interrupted. Thank you for your understanding.

Thank you.

Quality Service Team, GIT