…I can give a more specific solution.
Run a "Read Only" operation to confirm connection stability before attempting to write data. ktag operation not allowed
K-TAG works based on specific protocols (BDM, JTAG, Bootloader). …I can give a more specific solution
: If you are using a clone tool, "Operation not allowed" often appears when the device encounters a newer ECU family that the clone's firmware does not support. Connection Issues ktag operation not allowed