Connect the cable to both the car's OBD port and the laptop. In VCDS, go to Options and click Test . A successful test is required to unlock all features.
While "failed 2 better" is not a standard named feature of the official Ross-Tech VCDS software, it refers to troubleshooting and version updates for this specific loader: Context of the Loader vcds+loader+kolimer+failed+2+better
| Cause Category | Specific Issue | Manifestation | |----------------|----------------|----------------| | | Windows Defender, Avast, or other AV quarantines or blocks the loader’s memory patching activity. | Loader runs → “Failed 2” appears immediately or after 2–3 seconds. | | Incorrect VCDS Version | Kolimer v2 is designed for a specific VCDS base version (e.g., 21.3, 21.9, 22.3). Using a newer (23.x, 24.x) or older version breaks the patch offsets. | Loader reports success? No – “Failed” at launch. | | Missing DLLs / Runtime | The loader requires VC++ Redistributable 2015-2022 and .NET Framework 4.8+. Not all Windows versions have these. | Loader crashes or shows “Failed 2” without proceeding. | | Corrupted Loader Download | The “better v2” file may have been truncated or modified by a third party. | Checksum mismatch; loader fails to self-extract or patch. | | Driver Signature Enforcement (x64) | On 64-bit Windows with Secure Boot or Driver Signature Enforcement active, the fake FTDI driver cannot load, causing the loader to abort. | “Failed 2” after driver installation attempt. | Connect the cable to both the car's OBD port and the laptop