Solution for ACU Variant Coding Failure

🐞 Symptom

You are attempting to perform ACU (Airbag Control Unit) Variant Coding, but the procedure cannot continue because an existing DTC (Diagnostic Trouble Code) is present in the airbag system.

🔍 Cause

Airbag system Variant Coding may fail in the following cases:

• A vehicle-side fault in the airbag system
• A mismatch with EOL (End of Line) coding information

To resolve the issue, review the DTC details. After identifying and correcting the root cause, you can retry Variant Coding.

🛠️ Solution

Follow the steps below when ACU Variant Coding cannot be performed because of a DTC:

1. Check the airbag fault code and click the DTC Code.

   

2. Click "DTC Status".

   

3. Correct the cause listed in the Information Code.

   

✅ Reminder

After correcting the cause and clearing the DTC, you can retry ACU Variant Coding.
If the issue persists after addressing the DTC, submit an error log report and notify us:
How to send the error log report on KDS 2.0/KDS2.0