diff --git a/firmware/console/binary/tunerstudio.cpp b/firmware/console/binary/tunerstudio.cpp
index 7d0d469dab..1e849cf87b 100644
--- a/firmware/console/binary/tunerstudio.cpp
+++ b/firmware/console/binary/tunerstudio.cpp
@@ -407,6 +407,7 @@ static bool isKnownCommand(char command) {
 	return command == TS_HELLO_COMMAND || command == TS_READ_COMMAND || command == TS_OUTPUT_COMMAND
 			|| command == TS_PAGE_COMMAND || command == TS_BURN_COMMAND || command == TS_SINGLE_WRITE_COMMAND
 			|| command == TS_LEGACY_HELLO_COMMAND || command == TS_CHUNK_WRITE_COMMAND || command == TS_EXECUTE
+			|| command == TS_IO_TEST_COMMAND
 			|| command == TS_GET_TEXT || command == TS_CRC_CHECK_COMMAND;
 }
 
@@ -694,6 +695,10 @@ bool handlePlainCommand(ts_channel_s *tsChannel, uint8_t command) {
 	}
 }
 
+static void testIoCommand(void) {
+
+}
+
 int tunerStudioHandleCrcCommand(ts_channel_s *tsChannel, char *data, int incomingPacketSize) {
 	char command = data[0];
 	data++;
@@ -748,6 +753,12 @@ int tunerStudioHandleCrcCommand(ts_channel_s *tsChannel, char *data, int incomin
 		 * If you are able to just make your firmware ignore the command that would work.
 		 * Currently on some firmware versions the F command is not used and is just ignored by the firmware as a unknown command."
 		 */
+	} else if (command == TS_IO_TEST_COMMAND) {
+		int subsystem = data[3];
+		int index = *(short*)data[0];
+
+		scheduleMsg(&tsLogger, "IO test %d %d %d", incomingPacketSize, subsystem, index);
+		testIoCommand();
 	} else {
 		tunerStudioError("ERROR: ignoring unexpected command");
 		return false;
diff --git a/firmware/console/binary/tunerstudio_io.h b/firmware/console/binary/tunerstudio_io.h
index 67010f655e..2a1703a045 100644
--- a/firmware/console/binary/tunerstudio_io.h
+++ b/firmware/console/binary/tunerstudio_io.h
@@ -60,6 +60,7 @@ typedef struct {
 #define TS_SINGLE_WRITE_COMMAND 'W'
 #define TS_CHUNK_WRITE_COMMAND 'C'
 #define TS_BURN_COMMAND 'B'
+#define TS_IO_TEST_COMMAND 'w'
 
 #define TS_CRC_CHECK_COMMAND 'k'
 
diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index ab2e9d36b4..fd829f0a26 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -1180,22 +1180,22 @@ fileVersion = { 20160122 }
 ; and may create error messages.
 ; It is expected that these commands would not typically alter any ram mapped to a Constant.
 
-cmdinjspk1  = "w\x00\x00\x00\x20"
-cmdinjspk2  = "w\x00\x00\x00\x21"
-cmdinjspk3  = "w\x00\x00\x00\x22"
-cmdinjspk4  = "w\x00\x00\x00\x23"
-cmdinjspk5  = "w\x00\x00\x00\x24"
-cmdinjspk6  = "w\x00\x00\x00\x25"
-cmdinjspk7  = "w\x00\x00\x00\x26"
-cmdinjspk8  = "w\x00\x00\x00\x27"
-cmdinjspk9  = "w\x00\x00\x00\x28"
-cmdinjspk10 = "w\x00\x00\x00\x29"
-cmdinjspk11 = "w\x00\x00\x00\x2a"
-cmdinjspk12 = "w\x00\x00\x00\x2b"
-cmdinjspk13 = "w\x00\x00\x00\x2c"
-cmdinjspk14 = "w\x00\x00\x00\x2d"
-cmdinjspk15 = "w\x00\x00\x00\x2e"
-cmdinjspk16 = "w\x00\x00\x00\x2f"
+cmd_test_spk1  = "w\x00\x00\x00\x00"
+cmd_test_ppk2  = "w\x00\x00\x00\x01"
+cmd_test_ppk3  = "w\x00\x00\x00\x02"
+cmd_test_ppk4  = "w\x00\x00\x00\x03"
+cmd_test_ppk5  = "w\x00\x00\x00\x04"
+cmd_test_ppk6  = "w\x00\x00\x00\x05"
+cmd_test_ppk7  = "w\x00\x00\x00\x06"
+cmd_test_ppk8  = "w\x00\x00\x00\x07"
+cmd_test_ppk9  = "w\x00\x00\x00\x08"
+cmd_test_ppk10 = "w\x00\x00\x00\x09"
+cmd_test_ppk11 = "w\x00\x00\x00\x0a"
+cmd_test_ppk12 = "w\x00\x00\x00\x0b"
+cmd_test_ppk13 = "w\x00\x00\x00\x0c"
+cmd_test_ppk14 = "w\x00\x00\x00\x0d"
+cmd_test_ppk15 = "w\x00\x00\x00\x0e"
+cmd_test_ppk16 = "w\x00\x00\x00\x0f"
 		
 [UserDefined]