diff --git a/firmware/console/binary/tunerstudio.cpp b/firmware/console/binary/tunerstudio.cpp
index be49f87b20..15f6d387cc 100644
--- a/firmware/console/binary/tunerstudio.cpp
+++ b/firmware/console/binary/tunerstudio.cpp
@@ -774,7 +774,7 @@ int tunerStudioHandleCrcCommand(ts_channel_s *tsChannel, char *data, int incomin
 		}
 
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
-		runBenchTest(subsystem, index);
+		executeTSCommand(subsystem, index);
 #endif /* EFI_PROD_CODE */
 		sendOkResponse(tsChannel, TS_CRC);
 	} else {
diff --git a/firmware/controllers/injector_central.cpp b/firmware/controllers/injector_central.cpp
index 2f2b6bc07e..54986a6cc3 100644
--- a/firmware/controllers/injector_central.cpp
+++ b/firmware/controllers/injector_central.cpp
@@ -243,7 +243,7 @@ void OutputPin::unregisterOutput(brain_pin_e oldPin, brain_pin_e newPin) {
 	}
 }
 
-void runBenchTest(uint16_t subsystem, uint16_t index) {
+void executeTSCommand(uint16_t subsystem, uint16_t index) {
 	scheduleMsg(logger, "IO test subsystem=%d index=%d", subsystem, index);
 
 	if (subsystem == 0x12) {
@@ -268,6 +268,8 @@ void runBenchTest(uint16_t subsystem, uint16_t index) {
 		setCallFromPitStop(30000);
 	} else if (subsystem == 0x30) {
 		setEngineType(index);
+	} else if (subsystem == 0x31) {
+		setEngineType(DEFAULT_ENGINE_TYPE);
 	} else if (subsystem == 0x79) {
 		scheduleStopEngine();
 	}
diff --git a/firmware/controllers/injector_central.h b/firmware/controllers/injector_central.h
index 3f8c859832..10fc1644ae 100644
--- a/firmware/controllers/injector_central.h
+++ b/firmware/controllers/injector_central.h
@@ -20,6 +20,6 @@ void milBench(void);
 void initInjectorCentral(Logging *sharedLogger);
 bool isRunningBenchTest(void);
 
-void runBenchTest(uint16_t subsystem, uint16_t index);
+void executeTSCommand(uint16_t subsystem, uint16_t index);
 
 #endif /* INJECTOR_CENTRAL_H_ */
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index d0d9194673..bf08922145 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1226,6 +1226,7 @@ cmd_test_idle_valve          = "w\x00\x17\x00\x01"
 cmd_call_from_pit            = "w\x00\x20\x34\x56"
 cmd_stop_engine              = "w\x00\x49\x00\x00"
 		
+; See 'executeTSCommand' in firmware source code
 ; MIATA_NA6_MAP = 41
 cmd_set_engine_type_Miata_NA6_MAP			= "w\x00\x30\x00\x29"
 ; MIATA_NA6_VAF = 57
@@ -1234,6 +1235,7 @@ cmd_set_engine_type_Miata_NA6_VAF			= "w\x00\x30\x00\x39"
 cmd_set_engine_type_Miata_NA2 				= "w\x00\x30\x00\x2F"
 ; ETB_BENCH_ENGINE = 58
 cmd_set_engine_type_etb_test				= "w\x00\x30\x00\x3A"
+cmd_set_engine_type_default					= "w\x00\x31\x00\x00"
 		
 [UserDefined]
 	dialog = fuelTableBottomDialog, "", card
@@ -2318,6 +2320,7 @@ cmd_set_engine_type_etb_test				= "w\x00\x30\x00\x3A"
 		commandButton = "Miata NA6 Stage 1", cmd_set_engine_type_Miata_NA6_MAP
 		commandButton = "Miata NB2 MAP", cmd_set_engine_type_Miata_NA2
 		commandButton = "ETB test bench", cmd_set_engine_type_etb_test
+		commandButton = "Reset firmware settings", cmd_set_engine_type_default
 
 
 ;			Board->ECU stimulator