Index: leahi_dialin/fp/modules/valves.py
===================================================================
diff -u -r9eeeeb3a8bc94c59e506254b088493fd69c3b1e1 -r6364355a60f818cb66570b78b4c69e00a0d5865d
--- leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision 9eeeeb3a8bc94c59e506254b088493fd69c3b1e1)
+++ leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision 6364355a60f818cb66570b78b4c69e00a0d5865d)
@@ -7,8 +7,8 @@
 #
 # @file    valves.py
 #
-# @author  (last)      Micahel Garthwaite
-# @date    (last)      17-Aug-2023
+# @author  (last)      Zoltan Miskolci
+# @date    (last)      08-Dec-2025
 # @author  (original)  Peman Montazemi
 # @date    (original)  19-May-2020
 #
@@ -39,8 +39,10 @@
     """
 
     # Valves states publish message field positions
-    START_POS_VALVES_STATES = DenaliMessage.PAYLOAD_START_INDEX
-    END_POS_VALVES_STATES = START_POS_VALVES_STATES + 2  # Valves States come in as a U16 value (2 bytes)
+    START_IO_VALVES_STATES = DenaliMessage.PAYLOAD_START_INDEX
+    END_IO_VALVES_STATES = START_IO_VALVES_STATES + 1  # IO Valves States come in as a U08 value (1 byte)
+    START_FP_VALVES_STATES = END_IO_VALVES_STATES
+    END_FP_VALVES_STATES = START_FP_VALVES_STATES + 1  # FP Valves States come in as a U08 value (1 byte)
 
     def __init__(self, can_interface, logger: Logger):
         """