Index: App/Services/SystemComm.c
===================================================================
diff -u -r81ca79980a75ab71985d3d610bcef45fd6730458 -r6c8c486d26306662402945537c5acaea2709d85b
--- App/Services/SystemComm.c	(.../SystemComm.c)	(revision 81ca79980a75ab71985d3d610bcef45fd6730458)
+++ App/Services/SystemComm.c	(.../SystemComm.c)	(revision 6c8c486d26306662402945537c5acaea2709d85b)
@@ -40,8 +40,6 @@
 #define SCI1_RECEIVE_DMA_REQUEST        30
 #define SCI1_TRANSMIT_DMA_REQUEST       31
 
-#define CAN_TX_BUSY()                   ( ( canREG1->TXRQx[0] != 0 ) || ( canREG1->TXRQx[1] != 0 ) ? TRUE : FALSE )
-
 // ********** private data **********
 
 const COMM_BUFFER_T CAN_OUT_BUFFERS[NUM_OF_CAN_OUT_BUFFERS] =
@@ -137,13 +135,13 @@
 void execSystemCommTx( void )
 {
     // if CAN transmitter is idle, start transmitting any pending packets
-    if ( FALSE == CAN_TX_BUSY() )
+    if ( FALSE == isCAN1TransmitInProgress() )
     {
         transmitNextCANPacket();
     }
 
     // if UART transmitter is idle, start transmitting any pending packets
-    if ( FALSE == isSCI1DMATransmitInProgress() )
+//    if ( FALSE == isSCI1DMATransmitInProgress() )
     {
         transmitNextUARTPacket();
     }