diff --git a/__pycache__/protocol_kx.cpython-39.pyc b/__pycache__/protocol_kx.cpython-39.pyc
new file mode 100644
index 0000000..11c44a3
Binary files /dev/null and b/__pycache__/protocol_kx.cpython-39.pyc differ
diff --git a/kx.py b/kx.py
index 81e47b1..335002b 100644
--- a/kx.py
+++ b/kx.py
@@ -49,7 +49,7 @@ class KX:
 
     def writeToFlashK(self):
         messageK = can.Message(arbitration_id=0x2BB, data=[self.sbl_id, 0, 0,
-                                                             protocol_kx.KX_FLAG_SEND], is_extended_id=False)
+                                                             protocol_kx.KX_FLAG_WRITE_REQ], is_extended_id=False)
         try:
             self.can0.send(messageK)
             time.sleep(0.01)
@@ -59,9 +59,8 @@ class KX:
 
 
     def send_test_source_enable(self, enabaled):
-        msg = protocol_kx.CANMsgK(self.sbl_id, 0, protocol_kx.KX_FLAG_WRITE_REQ, K)
         messageK = can.Message(arbitration_id=0x2BB, data=[self.sbl_id, protocol_kx.KDescription.K_TEST_SOURCES_ENABLED, 0,
-                                                           protocol_kx.KX_FLAG_WRITE_REQ, 0, 0, 0, enabaled], is_extended_id=False)
+                                                           protocol_kx.KX_FLAG_SEND, 0, 0, 0, enabaled], is_extended_id=False)
         self.can0.send(messageK)
         self.sendK()
         self.writeToFlashK()