diff --git a/examples/tesla_tester.py b/examples/tesla_tester.py
index b2cbb4d789e18d..99d8d92854423b 100644
--- a/examples/tesla_tester.py
+++ b/examples/tesla_tester.py
@@ -29,11 +29,11 @@ def tesla_tester():
   
   # BDY 0x248 is the MCU_commands message, which includes folding mirrors, opening the trunk, frunk, setting the cars lock state and more. For our test, we will edit the 3rd byte, which is MCU_lockRequest. 0x01 will lock, 0x02 will unlock:
   print("Unlocking Tesla...")
-  p.can_send(0x248, "\x00\x00\x02\x00\x00\x00\x00\x00", bus_num)
+  p.can_send(0x248, "\x00\x00\x02\x00\x00\x00\x00\x00", body_bus_num)
 
   #Or, we can set the first byte, MCU_frontHoodCommand + MCU_liftgateSwitch, to 0x01 to pop the frunk, or 0x04 to open/close the trunk (0x05 should open both)
   print("Opening Frunk...")
-  p.can_send(0x248, "\x01\x00\x00\x00\x00\x00\x00\x00", bus_num)
+  p.can_send(0x248, "\x01\x00\x00\x00\x00\x00\x00\x00", body_bus_num)
   
   #Back to safety...
   print("Disabling output on Panda...")
@@ -41,7 +41,6 @@ def tesla_tester():
   
   print("Reading VIN from 0x568. This is painfully slow and can take up to 3 minutes (1 minute per message; 3 messages needed for full VIN)...")
   
-  cnt = 0
   vin = {}
   while True:
     #Read the VIN
@@ -53,11 +52,10 @@ def tesla_tester():
           vin_string = binascii.hexlify(dat)[2:] #rest of the string is the actual VIN data
           vin[vin_index] = vin_string.decode("hex")
           print("Got VIN index " + str(vin_index) + " data " + vin[vin_index])
-          cnt += 1
     #if we have all 3 parts of the VIN, print it and break out of our while loop
-    if cnt == 3:
+    if 0 in vin and 1 in vin and 2 in vin:
       print("VIN: " + vin[0] + vin[1] + vin[2][:3])
       break
 
 if __name__ == "__main__":
-  tesla_tester()
\ No newline at end of file
+  tesla_tester()