Index: firmware/App/Controllers/BPModule.c
===================================================================
diff -u -r5ad0389d9abad0f0a523fc44ae6c00ca8b12f313 -r9c4cdc42d3bcef089a9627b206496cb23bc3f643
--- firmware/App/Controllers/BPModule.c	(.../BPModule.c)	(revision 5ad0389d9abad0f0a523fc44ae6c00ca8b12f313)
+++ firmware/App/Controllers/BPModule.c	(.../BPModule.c)	(revision 9c4cdc42d3bcef089a9627b206496cb23bc3f643)
@@ -128,7 +128,7 @@
 * @brief
 * The resetBPModuleFlags function resets BP module flags.
 * @details \b Inputs: none
-* @details \b Outputs: BP module flags reset.
+* @details \b Outputs: pendingVitalsRequest
 * @return none
 *************************************************************************/
 static void resetBPModuleFlags( void )
@@ -141,7 +141,7 @@
 * The initiateAdultBPReading function initiates an adult blood pressure
 * measurement.
 * @details \b Inputs: none
-* @details \b Outputs: bpModuleState
+* @details \b Outputs: requestAdultBPReading
 * @return none
 ***************************************************************************/
 void initiateAdultBPReading( void )
@@ -154,7 +154,7 @@
 * The initiatePedsBPReading function initiates a pediatric blood pressure
 * measurement.
 * @details \b Inputs: none
-* @details \b Outputs: bpModuleState
+* @details \b Outputs: requestPedsBPReading
 * @return none
 ***************************************************************************/
 void initiatePedsBPReading( void )
@@ -167,7 +167,7 @@
 * The abortBPReading function aborts the active blood pressure
 * measurement.
 * @details \b Inputs: none
-* @details \b Outputs: bpModuleState
+* @details \b Outputs: requestAbortBPReading
 * @return none
 ***************************************************************************/
 void abortBPReading( void )
@@ -181,7 +181,7 @@
  * measurement results against configured thresholds and activates
  * corresponding blood pressure alarms.
  * @details \b Inputs: bpResults
- * @details \b Outputs: activate BP alarms
+ * @details \b Outputs: activateAlarm
  * @return none
  ***************************************************************************/
 static void checkBloodPressureReading( BP_RESULTS_T *bpResults )
@@ -346,7 +346,7 @@
 * The publishVitalsData function publishes blood pressure data.
 * @details \b Message \b Sent: MSG_ID_TD_BLOOD_PRESSURE_DATA
 * @details \b Inputs: bpResults
-* @details \b Outputs: blood pressure data published to CAN bus.
+* @details \b Outputs: bpPublishTimerCtr
 * @return none
 *************************************************************************/
 static void publishVitalsData( void )
Index: firmware/App/Services/AlarmMgmtSWFaults.h
===================================================================
diff -u -rd8321750d630eb1826d43f4fc9e4adf8ff4b07b0 -r9c4cdc42d3bcef089a9627b206496cb23bc3f643
--- firmware/App/Services/AlarmMgmtSWFaults.h	(.../AlarmMgmtSWFaults.h)	(revision d8321750d630eb1826d43f4fc9e4adf8ff4b07b0)
+++ firmware/App/Services/AlarmMgmtSWFaults.h	(.../AlarmMgmtSWFaults.h)	(revision 9c4cdc42d3bcef089a9627b206496cb23bc3f643)
@@ -7,8 +7,8 @@
 *
 * @file    AlarmMgmtSWFaults.h
 *
-* @author  (last)      Praneeth Bunne
-* @date    (last)      21-May-2026
+* @author  (last)      Dara Navaei
+* @date    (last)      27-May-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -61,7 +61,7 @@
     SW_FAULT_ID_CAN_PARITY_ERROR = 30,
     SW_FAULT_ID_CAN_OFF_ERROR = 31,
     SW_FAULT_ID_UNEXPECTED_DMA_INTERRUPT = 32,
-    SW_FAULT_ID_AVAILABLE1 = 33,
+    SW_FAULT_ID_MODE_UPDATE_INVALID_STATE = 33,
     SW_FAULT_ID_MSG_PENDING_ACK_LIST_FULL = 34,
     SW_FAULT_ID_MSG_QUEUES_ADD_QUEUE_FULL = 35,
     SW_FAULT_ID_MSG_QUEUES_ADD_INVALID_QUEUE = 36,
Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r5ad0389d9abad0f0a523fc44ae6c00ca8b12f313 -r9c4cdc42d3bcef089a9627b206496cb23bc3f643
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 5ad0389d9abad0f0a523fc44ae6c00ca8b12f313)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 9c4cdc42d3bcef089a9627b206496cb23bc3f643)
@@ -7,8 +7,8 @@
 *
 * @file    Messaging.c
 *
-* @author  (last)      Praneeth Bunne
-* @date    (last)      21-May-2026
+* @author  (last)      Dara Navaei
+* @date    (last)      27-May-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -122,6 +122,7 @@
     { MSG_ID_UI_ADJUST_DISPOSABLES_CONFIRM_REQUEST,                     &handleAutoLoadRequest },
     { MSG_ID_UI_ADJUST_DISPOSABLES_REMOVAL_CONFIRM_REQUEST,             &handleAutoEjectRequest },
     { MSG_ID_UI_BLOOD_PRESSURE_REQUEST,                                 &bpModuleHandleVitalsRequest },
+    { MSG_ID_FFU_SIGNAL_TD_UPDATE_AVAILABLE,                            &handleUpdateAvailable },
     { MSG_ID_TD_SOFTWARE_RESET_REQUEST,                                 &testTDSoftwareResetRequest },
     { MSG_ID_TD_BUBBLE_OVERRIDE_REQUEST,                                &testBubbleDetectOverride },
     { MSG_ID_TD_BUBBLE_PUBLISH_INTERVAL_OVERRIDE_REQUEST,               &testBubblesDataPublishIntervalOverride },
@@ -617,6 +618,18 @@
 
 /*********************************************************************//**
  * @brief
+ * The resetMicroControllerUnit function resets the MCU.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @return none
+ *************************************************************************/
+void resetMicroControllerUnit( void )
+{
+    setSystemREG1_SYSECR( (0x2) << 14 );  // Reset processor
+}
+
+/*********************************************************************//**
+ * @brief
  * The sendTestAckResponseMsg function constructs a simple response message
  * for a handled test message and queues it for transmit on the TD=>PC CAN
  * channel.
@@ -685,6 +698,32 @@
 
 /*********************************************************************//**
  * @brief
+ * The handleUpdateAvailable function handles a request from the
+ * Firmware FPGA Updater (FFU) to reset the TD firmware processor.
+ * @note If reset is successful, this function will not return.
+ * @details \b Inputs: none
+ * @details \b Outputs: TD processor soft reset if request is valid
+ * @param message Pointer to the reset request message
+ * @return FALSE if reset command rejected
+ *************************************************************************/
+BOOL handleUpdateAvailable( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( 0 == message->hdr.payloadLen )
+    {   // S/w reset of processor
+        result = TRUE;                        // Reset will prevent this from getting transmitted though
+        requestNewOperationMode( MODE_UPDT );
+    }
+
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_TD_2_UI, result );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The testTDSoftwareResetRequest function handles a request to reset the
  * TD firmware processor.
  * @note If reset is successful, this function will not return.
@@ -701,7 +740,7 @@
     if ( 0 == message->hdr.payloadLen )
     {   // S/w reset of processor
         result = TRUE;                        // Reset will prevent this from getting transmitted though
-        setSystemREG1_SYSECR( (0x2) << 14 );  // Reset processor
+        resetMicroControllerUnit();
     }
 
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );