diff --git a/firmware/controllers/lua/examples/gdi4-communication.txt b/firmware/controllers/lua/examples/gdi4-communication.txt
index 6bdcfe6ceb..b05ca0100e 100644
--- a/firmware/controllers/lua/examples/gdi4-communication.txt
+++ b/firmware/controllers/lua/examples/gdi4-communication.txt
@@ -50,9 +50,17 @@ function onCanConfiguration(bus, id, dlc, data)
 	print ("HoldCurrent " ..getTwoBytesLSB(data, 6, 0.01) )
 end
 
+function onCanVersion(bus, id, dlc, data)
+    year = data[1] * 100 + data[2]
+    month = data[3]
+    day = data[4]
+    print ("GDI4 FW " .. year .. '/' .. month .. '/' .. day)
+end
+
 canRxAdd(GDI4_BASE_ADDRESS, printPacket)
 canRxAdd(GDI4_BASE_ADDRESS + 1, onCanConfiguration)
 canRxAdd(GDI4_BASE_ADDRESS + 2, printPacket)
+canRxAdd(GDI4_BASE_ADDRESS + 3, onCanVersion)
 
 local data_set_voltage = { 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
 
@@ -63,22 +71,21 @@ function onTick()
 	boostVoltage = getCalibration("mc33_hvolt")
 	boostCurrent = getCalibration("mc33_i_boost") / 1000.0
 	peakCurrent = getCalibration("mc33_i_peak") / 1000.0
-	print("boostVoltage " .. boostVoltage .." boostCurrent " ..boostCurrent .." peakCurrent " ..peakCurrent)
-
-	holdCurrent = getCalibration("mc33_i_hold")
-	peakDuration = getCalibration("mc33_t_peak_tot") / 1000.0
-	holdDuration = getCalibration("mc33_t_hold_tot") / 1000.0
-	print("holdCurrent " .. holdCurrent .. " peakDuration " .. peakDuration .." hold duration " ..holdDuration)
+	print("To send: boostVoltage " .. boostVoltage .." boostCurrent " ..boostCurrent .." peakCurrent " ..peakCurrent)
 
 	setTwoBytesLsb(data_set_voltage, 1, boostVoltage * FIXED_POINT)
 	setTwoBytesLsb(data_set_voltage, 3, boostCurrent * FIXED_POINT)
 	setTwoBytesLsb(data_set_voltage, 5, peakCurrent * FIXED_POINT)
-	print('Sending ' ..arrayToString(data_set_voltage))
-
-
+	print('Will be sending ' ..arrayToString(data_set_voltage))
 
 	txCan(1, 0x201, 1, data_set_voltage)
 
+	holdCurrent = getCalibration("mc33_i_hold")
+	peakDuration = getCalibration("mc33_t_peak_tot") / 1000.0
+	holdDuration = getCalibration("mc33_t_hold_tot") / 1000.0
+	print("To send: holdCurrent " .. holdCurrent .. " peakDuration " .. peakDuration .." hold duration " ..holdDuration)
+
+
 end