Many ECUs require a higher voltage than a standard 12V battery provides during a bench read. Use a high-quality laboratory power supply.
The error is rarely a true hardware failure. In most cases, it is a deliberate software lock on clone devices, a driver conflict, or a simple wiring mistake. For clone users, the solution is almost always rolling back to an older, known-good software version (2.23 or 2.25) and blocking all updates. For genuine users, the solution is driver reinstallation or contacting official support for a hardware revision check. hardware configuration not supported ktag