diff --git a/firmware/console/binary/tunerstudio_outputs.h b/firmware/console/binary/tunerstudio_outputs.h
index 1bc4dbc202..afe51ad630 100644
--- a/firmware/console/binary/tunerstudio_outputs.h
+++ b/firmware/console/binary/tunerstudio_outputs.h
@@ -216,7 +216,8 @@ typedef struct {
 	scaled_voltage rawIat;				// 236
 	scaled_voltage rawOilPressure;		// 238
 
-	uint8_t unusedAtTheEnd[4]; // we have some unused bytes to allow compatible TS changes
+	int16_t tuneCrc16;
+	uint8_t unusedAtTheEnd[2]; // we have some unused bytes to allow compatible TS changes
 
 	// Temporary - will remove soon
 	TsDebugChannels* getDebugChannels() {
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 5c97f4a400..e0641f7b5d 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -359,6 +359,9 @@ enable2ndByteCanID = false
       rawIat          = scalar,	 U16,    236, "V",{1/@@PACK_MULT_VOLTAGE@@}, 0.0
       rawOilPressure  = scalar,	 U16,    238, "V",{1/@@PACK_MULT_VOLTAGE@@}, 0.0
 
+	; we use this to match logs to tunes
+	tuneCrc16= scalar,  U16,    240,  "crc16",           1,         0
+
 ;
 ; see TunerStudioOutputChannels struct
 ;
@@ -1207,6 +1210,7 @@ gaugeCategory = Sensors - Raw
 
 
    entry = engineMakeCodeNameCrc16,   "Engine CRC16",int,"%d"
+   entry = tuneCrc16,   "Tune CRC16",int,"%d"
 
    entry = engineMode,   "Engine Mode",int,"%d"
    entry = warningCounter,   @@GAUGE_NAME_WARNING_COUNTER@@,int,"%d"