diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index c099704909..83364fd67b 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 18:23:16 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 20:29:02 EDT 2020
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_frankenso.ini b/firmware/tunerstudio/rusefi_frankenso.ini
index e299b9d79e..e934697366 100644
--- a/firmware/tunerstudio/rusefi_frankenso.ini
+++ b/firmware/tunerstudio/rusefi_frankenso.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 18:23:26 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 20:29:09 EDT 2020
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_kinetis.ini b/firmware/tunerstudio/rusefi_kinetis.ini
index 2f79e9785f..feb2e5b278 100644
--- a/firmware/tunerstudio/rusefi_kinetis.ini
+++ b/firmware/tunerstudio/rusefi_kinetis.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on kineris_gen_config.bat integration/rusefi_config.txt Wed Apr 15 18:17:28 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on kineris_gen_config.bat integration/rusefi_config.txt Wed Apr 15 20:29:18 EDT 2020
 
 pageSize            = 20000
 page = 1
@@ -2606,6 +2609,7 @@ cmd_tle8888_init     		 = "w\x00\x14\x00\x08"
 cmd_test_ac_relay     		 = "w\x00\x14\x00\x09"
 cmd_write_config     		 = "w\x00\x14\x00\x0A"
 cmd_test_starter_relay     	 = "w\x00\x14\x00\x0B"
+cmd_etb_autotune             = "w\x00\x14\x00\x0C"
 
 cmd_test_radiator_fan        = "w\x00\x15\x00\x01"
 cmd_test_check_engine_light  = "w\x00\x16\x00\x01"
@@ -3895,6 +3899,7 @@ cmd_set_engine_type_default					= "w\x00\x31\x00\x00"
 	    commandButton = "TPS#2 wide open position", cmd_calibrate_tps_2_wot
 	    commandButton = "Pedal Up", cmd_calibrate_pedal_up
 	    commandButton = "Pedal Down", cmd_calibrate_pedal_down
+		commandButton = "ETB PID Autotune", cmd_etb_autotune
 
 	dialog = etbDialog, "Electronic Throttle Body (beta)", border
 		topicHelp = "etbHelp"
diff --git a/firmware/tunerstudio/rusefi_microrusefi.ini b/firmware/tunerstudio/rusefi_microrusefi.ini
index b07f68f04f..772879b8a0 100644
--- a/firmware/tunerstudio/rusefi_microrusefi.ini
+++ b/firmware/tunerstudio/rusefi_microrusefi.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 18:23:21 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 20:29:06 EDT 2020
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_prometheus.ini b/firmware/tunerstudio/rusefi_prometheus.ini
index 3296b86df0..ccd2ee5ed5 100644
--- a/firmware/tunerstudio/rusefi_prometheus.ini
+++ b/firmware/tunerstudio/rusefi_prometheus.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 18:23:31 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 20:29:12 EDT 2020
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_proteus.ini b/firmware/tunerstudio/rusefi_proteus.ini
index e010104ded..a8f7cd73a2 100644
--- a/firmware/tunerstudio/rusefi_proteus.ini
+++ b/firmware/tunerstudio/rusefi_proteus.ini
@@ -40,6 +40,9 @@ enable2ndByteCanID = false
 ;    settingOption = DEFAULT, "Speed Density" ; DEFAULT will be over looked and this will fall into the #else block of the statement.
 
 
+[MegaTune]
+ ; https://rusefi.com/forum/viewtopic.php?p=36201#p36201
+ 	signature    = "rusEFI v1.2020.3" 
 
 [TunerStudio]
    queryCommand   = "S"
@@ -86,7 +89,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 18:23:35 EDT 2020
+; this section was generated automatically by rusEfi tool ConfigDefinition.jar based on gen_config.bat integration\rusefi_config.txt Wed Apr 15 20:29:15 EDT 2020
 
 pageSize            = 20000
 page = 1