The Kolimer Loader is version-sensitive. If you recently updated VCDS to the latest version from the Ross-Tech website, the loader will likely fail.
How long has this cable been working for you, or is this a you're trying to get running?
Follow these troubleshooting steps in sequence to isolate and resolve the issue. Step 1: Recover or Exclude the Loader from Antivirus
In some cases, users have found that installing the of the software solves loader-related launch errors, even on 64-bit Windows systems. 5. Prevent Automatic Updates vcds loader kolimer failed 2 top
By methodically going through these steps, you should be able to identify and potentially resolve the "Kolimer failed" error, allowing you to use your VCDS tool effectively.
Go back to Virus & threat protection settings , click , scroll down to Exclusions , and add the entire VCDS installation folder (typically C:\Ross-Tech\VCDS ) to the exclusion list. Step 2: Perform a Clean Rollback Installation
If "Failed 2 Top" persists after two hours of troubleshooting, your Windows version (e.g., Windows 11 24H2) has patched the injection method. Use this manual hex edit instead: The Kolimer Loader is version-sensitive
I can provide the specific steps or file requirements tailored to your hardware setup. Share public link
Kolimer v2.1.2 only works with VCDS release or older. Kolimer v3.0 works with 22.10 . If you install VCDS 23.3.0 and use an old loader, you will get "Failed 2 Top."
VCDS requires the interface to be assigned to a specific COM port (usually COM1 through COM4). If the "Loader" detects the interface on a high-numbered port (e.g., COM15), it may fail to initialize the K-Line communication. Follow these troubleshooting steps in sequence to isolate
: Ensure the VCDS version you installed (e.g., 23.3) exactly matches the version supported by your specific Kolimer loader. If you accidentally allowed VCDS to update via the internet, you must uninstall it and reinstall the version that came with the loader.
Which (Windows 10 or 11) is installed on your diagnostic laptop?