Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r2e95b9c3bf3cc4e02330bec5f0267a2bf264ce9b -rd7cb8e4ffc42b5d0fead6d86f79866626551184b
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 2e95b9c3bf3cc4e02330bec5f0267a2bf264ce9b)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision d7cb8e4ffc42b5d0fead6d86f79866626551184b)
@@ -121,6 +121,7 @@
     { MSG_ID_DD_TESTER_LOGIN_REQUEST,                                               &handleTesterLogInRequest },
     { MSG_ID_DD_SOFTWARE_RESET_REQUEST,                                             &handleDDSoftwareResetRequest },
     { MSG_ID_TD_OP_MODE_DATA,                                                       &handleSetTDOperationMode },
+    { MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE,                                        &handleUpdateAvailable },
     { MSG_ID_DD_VALVE_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                            &testValvesStatesPublishIntervalOverride },
     { MSG_ID_DD_VALVE_STATE_OVERRIDE_REQUEST,                                       &testValveStateOverride },
     { MSG_ID_DD_VALVE_SENSED_STATE_OVERRIDE_REQUEST,                                &testValveSensedStateOverride },
@@ -289,7 +290,6 @@
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
     { MSG_ID_DD_TEMPERATURE_SENSOR_FILTERED_TEMP_OVERRIDE_REQUEST,                  &testDDTemperatureSensorFilteredReadingsOverride },
     { MSG_ID_FP_SET_RECOVERY_VALVES_REQUEST,                                        &testIOFPSetValveRecoveryConfig },
-    { MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE,                                        &handleUpdateAvailable },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.
Index: firmware/App/Services/SystemCommDD.h
===================================================================
diff -u -r28d969ae6856de61c4b172e2b59cdcf56f4f53bb -rd7cb8e4ffc42b5d0fead6d86f79866626551184b
--- firmware/App/Services/SystemCommDD.h	(.../SystemCommDD.h)	(revision 28d969ae6856de61c4b172e2b59cdcf56f4f53bb)
+++ firmware/App/Services/SystemCommDD.h	(.../SystemCommDD.h)	(revision d7cb8e4ffc42b5d0fead6d86f79866626551184b)
@@ -14,22 +14,6 @@
 * @date    (original)  07-Aug-2024
 *
 ***************************************************************************/
-/**************************************************************************
-*
-* Copyright (c) 2024-2026 Diality Inc. - All Rights Reserved.
-*
-* THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
-* WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
-*
-* @file    SystemCommDD.h
-*
-* @author  (last)      Michael Garthwaite
-* @date    (last)      08-Sep-2025
-*
-* @author  (original)  Vinayakam Mani
-* @date    (original)  07-Aug-2024
-*
-***************************************************************************/
 
 #ifndef __SYSTEM_COMM_DD_H__
 #define __SYSTEM_COMM_DD_H__
Index: firmware/DD.dil
===================================================================
diff -u -r8bd2386ed976da1b73ad6e29ddafa5e493b29964 -rd7cb8e4ffc42b5d0fead6d86f79866626551184b
--- firmware/DD.dil	(.../DD.dil)	(revision 8bd2386ed976da1b73ad6e29ddafa5e493b29964)
+++ firmware/DD.dil	(.../DD.dil)	(revision d7cb8e4ffc42b5d0fead6d86f79866626551184b)
@@ -1,4 +1,4 @@
-# RM46L852PGE 05/17/26 17:30:16
+# RM46L852PGE 05/27/26 13:24:19
 # 
 ARCH=RM46L852PGE
 # 
@@ -3398,7 +3398,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_22_ENA.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_20_INT_ENA.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_14_ENA.VALUE=0x80000000
-DRIVER.CAN.VAR.CAN_1_MESSAGE_12_INT_ENA.VALUE=0x00000800
+DRIVER.CAN.VAR.CAN_1_MESSAGE_12_INT_ENA.VALUE=0x00000400
 DRIVER.CAN.VAR.CAN_3_MESSAGE_7_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_51_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_43_INT_LEVEL.VALUE=0x00000000
@@ -3516,7 +3516,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_23_EOB.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_23_DIR.VALUE=0x20000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_15_EOB.VALUE=0x00000080
-DRIVER.CAN.VAR.CAN_1_MESSAGE_15_DIR.VALUE=0x20000000
+DRIVER.CAN.VAR.CAN_1_MESSAGE_15_DIR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_3_INT_ENA_REF.VALUE=0x00000001
 DRIVER.CAN.VAR.CAN_3_MESSAGE_5_BOOL_ENA.VALUE=0
 DRIVER.CAN.VAR.CAN_2_MESSAGE_11_ENA.VALUE=0x00000000
@@ -3628,8 +3628,8 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_32_DIR.VALUE=0x20000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_24_EOB.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_24_DIR.VALUE=0x20000000
-DRIVER.CAN.VAR.CAN_1_MESSAGE_16_EOB.VALUE=0x00000000
-DRIVER.CAN.VAR.CAN_1_MESSAGE_16_DIR.VALUE=0x00000000
+DRIVER.CAN.VAR.CAN_1_MESSAGE_16_EOB.VALUE=0x00000080
+DRIVER.CAN.VAR.CAN_1_MESSAGE_16_DIR.VALUE=0x20000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_40_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_2_MESSAGE_32_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_2_MESSAGE_24_MASK.VALUE=0x000007FF
@@ -3678,7 +3678,7 @@
 DRIVER.CAN.VAR.CAN_3_MESSAGE_9_INT_ENA.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_11_BOOL_ENA.VALUE=0
 DRIVER.CAN.VAR.CAN_2_MESSAGE_6_BOOL_ENA.VALUE=0
-DRIVER.CAN.VAR.CAN_1_MESSAGE_11_INT_ENA.VALUE=0x00000400
+DRIVER.CAN.VAR.CAN_1_MESSAGE_11_INT_ENA.VALUE=0x00000800
 DRIVER.CAN.VAR.CAN_1_MESSAGE_4_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_3_MESSAGE_62_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_3_MESSAGE_54_RTR.VALUE=0x00000000
@@ -3981,7 +3981,7 @@
 DRIVER.CAN.VAR.CAN_2_MESSAGE_10_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_5_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_1_INT_LEVEL.VALUE=0x00000000
-DRIVER.CAN.VAR.CAN_1_MESSAGE_11_ID.VALUE=0x402
+DRIVER.CAN.VAR.CAN_1_MESSAGE_11_ID.VALUE=0x50
 DRIVER.CAN.VAR.CAN_1_NOMINAL_BIT_TIME.VALUE=8
 DRIVER.CAN.VAR.CAN_3_MESSAGE_61_INT_ENA_REF.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_3_MESSAGE_53_INT_ENA_REF.VALUE=0x00000000
@@ -4036,7 +4036,7 @@
 DRIVER.CAN.VAR.CAN_3_MESSAGE_49_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_59_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_20_ID.VALUE=20
-DRIVER.CAN.VAR.CAN_1_MESSAGE_12_ID.VALUE=0x403
+DRIVER.CAN.VAR.CAN_1_MESSAGE_12_ID.VALUE=0x51
 DRIVER.CAN.VAR.CAN_2_MESSAGE_40_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_32_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_24_DLC.VALUE=8
@@ -4113,7 +4113,7 @@
 DRIVER.CAN.VAR.CAN_2_MESSAGE_11_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_6_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_21_ID.VALUE=21
-DRIVER.CAN.VAR.CAN_1_MESSAGE_13_ID.VALUE=0x404
+DRIVER.CAN.VAR.CAN_1_MESSAGE_13_ID.VALUE=0x402
 DRIVER.CAN.VAR.CAN_1_MESSAGE_9_INT_LEVEL.VALUE=0x00000200
 DRIVER.CAN.VAR.CAN_2_MESSAGE_40_EOB.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_40_DIR.VALUE=0x20000000
@@ -4169,7 +4169,7 @@
 DRIVER.CAN.VAR.CAN_3_MESSAGE_3_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_30_ID.VALUE=30
 DRIVER.CAN.VAR.CAN_1_MESSAGE_22_ID.VALUE=22
-DRIVER.CAN.VAR.CAN_1_MESSAGE_14_ID.VALUE=0x405
+DRIVER.CAN.VAR.CAN_1_MESSAGE_14_ID.VALUE=0x403
 DRIVER.CAN.VAR.CAN_2_MESSAGE_41_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_33_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_25_DLC.VALUE=8
@@ -4233,7 +4233,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_58_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_31_ID.VALUE=31
 DRIVER.CAN.VAR.CAN_1_MESSAGE_23_ID.VALUE=23
-DRIVER.CAN.VAR.CAN_1_MESSAGE_15_ID.VALUE=0x50
+DRIVER.CAN.VAR.CAN_1_MESSAGE_15_ID.VALUE=0x404
 DRIVER.CAN.VAR.CAN_3_MESSAGE_1_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_3_MESSAGE_5_INT_ENA_REF.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_41_EOB.VALUE=0x00000000
@@ -4279,7 +4279,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_39_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_1_MESSAGE_32_INT_ENA.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_24_INT_ENA.VALUE=0x00000000
-DRIVER.CAN.VAR.CAN_1_MESSAGE_16_INT_ENA.VALUE=0x00000400
+DRIVER.CAN.VAR.CAN_1_MESSAGE_16_INT_ENA.VALUE=0x00000800
 DRIVER.CAN.VAR.CAN_3_MESSAGE_59_RTR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_60_INT_LEVEL.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_52_INT_LEVEL.VALUE=0x00000000
@@ -4289,7 +4289,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_40_ID.VALUE=40
 DRIVER.CAN.VAR.CAN_1_MESSAGE_32_ID.VALUE=32
 DRIVER.CAN.VAR.CAN_1_MESSAGE_24_ID.VALUE=24
-DRIVER.CAN.VAR.CAN_1_MESSAGE_16_ID.VALUE=0x51
+DRIVER.CAN.VAR.CAN_1_MESSAGE_16_ID.VALUE=0x405
 DRIVER.CAN.VAR.CAN_2_MESSAGE_50_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_42_DLC.VALUE=8
 DRIVER.CAN.VAR.CAN_2_MESSAGE_34_DLC.VALUE=8
@@ -4643,7 +4643,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_31_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_1_MESSAGE_23_INT_ENA.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_23_MASK.VALUE=0x000007FF
-DRIVER.CAN.VAR.CAN_1_MESSAGE_15_INT_ENA.VALUE=0x00000800
+DRIVER.CAN.VAR.CAN_1_MESSAGE_15_INT_ENA.VALUE=0x00000400
 DRIVER.CAN.VAR.CAN_1_MESSAGE_15_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_1_MESSAGE_8_ENA.VALUE=0x80000000
 DRIVER.CAN.VAR.CAN_3_MESSAGE_21_ID.VALUE=21
@@ -5325,7 +5325,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_57_INT_ENA_REF.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_49_INT_ENA_REF.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_11_EOB.VALUE=0x00000080
-DRIVER.CAN.VAR.CAN_1_MESSAGE_11_DIR.VALUE=0x00000000
+DRIVER.CAN.VAR.CAN_1_MESSAGE_11_DIR.VALUE=0x20000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_20_BOOL_ENA.VALUE=0
 DRIVER.CAN.VAR.CAN_2_MESSAGE_12_BOOL_ENA.VALUE=0
 DRIVER.CAN.VAR.CAN_2_MESSAGE_7_BOOL_ENA.VALUE=0
@@ -5430,7 +5430,7 @@
 DRIVER.CAN.VAR.CAN_1_MESSAGE_20_EOB.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_20_DIR.VALUE=0x20000000
 DRIVER.CAN.VAR.CAN_1_MESSAGE_12_EOB.VALUE=0x00000080
-DRIVER.CAN.VAR.CAN_1_MESSAGE_12_DIR.VALUE=0x20000000
+DRIVER.CAN.VAR.CAN_1_MESSAGE_12_DIR.VALUE=0x00000000
 DRIVER.CAN.VAR.CAN_2_MESSAGE_30_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_2_MESSAGE_22_MASK.VALUE=0x000007FF
 DRIVER.CAN.VAR.CAN_2_MESSAGE_14_MASK.VALUE=0x000007FF
Index: firmware/source/can.c
===================================================================
diff -u -r8bd2386ed976da1b73ad6e29ddafa5e493b29964 -rd7cb8e4ffc42b5d0fead6d86f79866626551184b
--- firmware/source/can.c	(.../can.c)	(revision 8bd2386ed976da1b73ad6e29ddafa5e493b29964)
+++ firmware/source/can.c	(.../can.c)	(revision d7cb8e4ffc42b5d0fead6d86f79866626551184b)
@@ -387,8 +387,8 @@
     } /* Wait */
 
     canREG1->IF1MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x402U & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF1MCTL = 0x00001000U | (uint32)0x00000400U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
+    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x50U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF1MCTL = 0x00001000U | (uint32)0x00000800U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF1CMD  = (uint8) 0xF8U;
     canREG1->IF1NO   = 11U;
 
@@ -406,8 +406,8 @@
     } /* Wait */
 
     canREG1->IF2MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x403U & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF2MCTL = 0x00001000U | (uint32)0x00000800U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
+    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x51U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF2MCTL = 0x00001000U | (uint32)0x00000400U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF2CMD  = (uint8) 0xF8U;
     canREG1->IF2NO   = 12U;
 
@@ -425,7 +425,7 @@
     } /* Wait */
 
     canREG1->IF1MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x404U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x402U & (uint32)0x000007FFU) << (uint32)18U);
     canREG1->IF1MCTL = 0x00001000U | (uint32)0x00000400U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF1CMD  = (uint8) 0xF8U;
     canREG1->IF1NO   = 13U;
@@ -444,7 +444,7 @@
     } /* Wait */
 
     canREG1->IF2MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x405U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x403U & (uint32)0x000007FFU) << (uint32)18U);
     canREG1->IF2MCTL = 0x00001000U | (uint32)0x00000800U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF2CMD  = (uint8) 0xF8U;
     canREG1->IF2NO   = 14U;
@@ -463,8 +463,8 @@
     } /* Wait */
 
     canREG1->IF1MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x50U & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF1MCTL = 0x00001000U | (uint32)0x00000800U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
+    canREG1->IF1ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x404U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF1MCTL = 0x00001000U | (uint32)0x00000400U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF1CMD  = (uint8) 0xF8U;
     canREG1->IF1NO   = 15U;
 
@@ -482,8 +482,8 @@
     } /* Wait */
 
     canREG1->IF2MSK  = 0xC0000000U | (uint32)((uint32)((uint32)0x000007FFU & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)((uint32)((uint32)0x51U & (uint32)0x000007FFU) << (uint32)18U);
-    canREG1->IF2MCTL = 0x00001000U | (uint32)0x00000400U | (uint32)0x00000000U | (uint32)0x00000000U | (uint32)8U;
+    canREG1->IF2ARB  = (uint32)0x80000000U | (uint32)0x00000000U | (uint32)0x20000000U | (uint32)((uint32)((uint32)0x405U & (uint32)0x000007FFU) << (uint32)18U);
+    canREG1->IF2MCTL = 0x00001000U | (uint32)0x00000800U | (uint32)0x00000000U | (uint32)0x00000080U | (uint32)8U;
     canREG1->IF2CMD  = (uint8) 0xF8U;
     canREG1->IF2NO   = 16U;