diff --git a/speeduino/cancomms.ino b/speeduino/cancomms.ino
index 8a412df6..55fe4ad7 100644
--- a/speeduino/cancomms.ino
+++ b/speeduino/cancomms.ino
@@ -291,6 +291,17 @@ void sendCancommand(uint8_t cmdtype, uint16_t canaddress, uint8_t candata1, uint
      case 3:
         //send to truecan send routine
         //canaddress == speeduino canid, candata1 == canin channel dest, paramgroup == can address  to request from
+        outMsg.id = (canaddress);
+        outMsg.len = 8;
+        outMsg.buf[0] = 0x0B ;  //11;   
+        outMsg.buf[1] = 0x145;
+        outMsg.buf[2] = candata1;
+        outMsg.buf[3] = 0x24;
+        outMsg.buf[4] = 0x7F;
+        outMsg.buf[5] = 0x70;
+        outMsg.buf[6] = 0x9E;
+        outMsg.buf[7] = 0x4D;
+        Can0.write(outMsg);
         break;
 
      default:
diff --git a/speeduino/init.ino b/speeduino/init.ino
index 675c4c8b..83e4284d 100644
--- a/speeduino/init.ino
+++ b/speeduino/init.ino
@@ -48,14 +48,21 @@ void initialiseAll()
     Serial.begin(115200);
     if (configPage9.enable_secondarySerial == 1) { CANSerial.begin(115200); }
 
-    #if defined(CORE_STM32) || defined(CORE_TEENSY)
+    #if defined(CORE_STM32)
     configPage9.intcan_available = 1;   // device has internal canbus
-    //Teensy onboard CAN not used currently
+    //STM32 can not currently enabled
+    #endif
+
+    #if defined(CORE_TEENSY)
+    configPage9.intcan_available = 1;   // device has internal canbus
+    //Teensy uses the Flexcan_T4 library to use the internal canbus
     //enable local can interface
-    //setup can interface to 250k
-    //FlexCAN CANbus0(2500000, 0);
-    //static CAN_message_t txmsg,rxmsg;
-    //CANbus0.begin();
+    //setup can interface to 500k
+      //volatile CAN_message_t outMsg;
+      //volatile CAN_message_t inMsg;
+      Can0.begin();
+      Can0.setBaudRate(500000);
+      Can0.enableFIFO();
     #endif
 
     //Repoint the 2D table structs to the config pages that were just loaded
diff --git a/speeduino/speeduino.ino b/speeduino/speeduino.ino
index 6365eedb..bd07894d 100644
--- a/speeduino/speeduino.ino
+++ b/speeduino/speeduino.ino
@@ -36,6 +36,13 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "crankMaths.h"
 #include "init.h"
 #include BOARD_H //Note that this is not a real file, it is defined in globals.h. 
+#if defined(CORE_TEENSY)
+  #include <FlexCAN_T4.h>
+  FlexCAN_T4<CAN0, RX_SIZE_256, TX_SIZE_16> Can0;
+  
+  static CAN_message_t outMsg;
+  static CAN_message_t inMsg;
+#endif
 
 #ifndef UNIT_TEST // Scope guard for unit testing
 void setup()
@@ -69,17 +76,27 @@ void loop()
                   if (CANSerial.available() > 0)  { canCommand(); }
                 }
           }
-      #if  defined(CORE_TEENSY) || defined(CORE_STM32)
-          else if (configPage9.enable_secondarySerial == 2) // can module enabled
+      #if  defined(CORE_TEENSY)
+          //currentStatus.canin[12] = configPage9.enable_intcan;
+          if (configPage9.enable_intcan == 1) // use internal can module
           {
             //check local can module
             // if ( BIT_CHECK(LOOP_TIMER, BIT_TIMER_15HZ) or (CANbus0.available())
-            //    {
-            //      CANbus0.read(rx_msg);
-            //    }
+            while (Can0.read(inMsg) ) 
+                 {
+                  Can0.read(inMsg);
+                  //currentStatus.canin[12] = inMsg.buf[5];
+                 } 
           }
       #endif
-
+      
+      #if  defined(CORE_STM32)
+          else if (configPage9.enable_intcan == 1) // can module enabled
+          {
+            //check local can module
+          }
+      #endif
+          
     //Displays currently disabled
     // if (configPage2.displayType && (mainLoopCount & 255) == 1) { updateDisplay();}
 
@@ -140,6 +157,13 @@ void loop()
     {
       BIT_CLEAR(TIMER_mask, BIT_TIMER_15HZ);
       readTPS(); //TPS reading to be performed every 32 loops (any faster and it can upset the TPSdot sampling time)
+      #if  defined(CORE_TEENSY)       
+          if (configPage9.enable_intcan == 1) // use internal can module
+          {
+           // this is just to test the interface is sending
+           sendCancommand(3,(configPage9.realtime_base_address+ 0x100),currentStatus.TPS,0,0x200);
+          }
+      #endif     
 
       //Check for launching/flat shift (clutch) can be done around here too
       previousClutchTrigger = clutchTrigger;