Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -re23b440e0a076a9e76edd057a98d1b16270129bc -r0ae5f0f0bff2b3ddfe4727c7b286d280a42dead6
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision e23b440e0a076a9e76edd057a98d1b16270129bc)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 0ae5f0f0bff2b3ddfe4727c7b286d280a42dead6)
@@ -57,7 +57,7 @@
 #define MAX_FPGA_CLOCK_SPEED_ERROR_WINDOW_MS    (10 * SEC_PER_MIN * MS_PER_SECOND)    ///< FPGA clock speed error window
 
 #define PENDING_ACK_LIST_OVERRIDE_UI_CHANNEL    1                                     ///< Value for determining UI channel when Pending ACKs are overriden.
-#define PENDING_ACK_LIST_OVERRIDE_HD_CHANNEL    2                                     ///< Value for determining HD channel when Pending ACKs are overriden.
+#define PENDING_ACK_LIST_OVERRIDE_DG_CHANNEL    2                                     ///< Value for determining HD channel when Pending ACKs are overriden.
 
 #pragma pack(push, 1)
 
@@ -760,8 +760,8 @@
         {
             result = TRUE;
             // Remove message pending ACK from list
-            if ( ( ( getU32OverrideValue( &pendingACKOverride ) != PENDING_ACK_LIST_OVERRIDE_UI_CHANNEL ) || ( pendingAckList[ i ].channel != COMM_BUFFER_OUT_CAN_HD_2_UI ) ) &&
-                 ( ( getU32OverrideValue( &pendingACKOverride ) != PENDING_ACK_LIST_OVERRIDE_DG_CHANNEL ) || ( pendingAckList[ i ].channel != COMM_BUFFER_OUT_CAN_HD_2_DG ) ) )
+            if ( ( ( getU32OverrideValue( &pendingACKOverride ) != PENDING_ACK_LIST_OVERRIDE_UI_CHANNEL ) || ( pendingAckList[ i ].channel != COMM_BUFFER_OUT_CAN_DG_2_UI ) ) &&
+                 ( ( getU32OverrideValue( &pendingACKOverride ) != PENDING_ACK_LIST_OVERRIDE_DG_CHANNEL ) || ( pendingAckList[ i ].channel != COMM_BUFFER_OUT_CAN_DG_2_HD ) ) )
             {
                 pendingAckList[ i ].used = FALSE;
             }