Index: leahi_dialin/fp/modules/valves.py
===================================================================
diff -u -ra4ec379f84f2a737f2f5c16fb925f1371c9fd55a -ree0ca62a34e13183d43fb3830b774f3fed9989b6
--- leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision a4ec379f84f2a737f2f5c16fb925f1371c9fd55a)
+++ leahi_dialin/fp/modules/valves.py	(.../valves.py)	(revision ee0ca62a34e13183d43fb3830b774f3fed9989b6)
@@ -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):
         """
@@ -113,19 +115,25 @@
         @param message:  published FP valves states message
         @return: none
         """
-        vst = struct.unpack('H', bytearray(message['message'][self.START_POS_VALVES_STATES:self.END_POS_VALVES_STATES]))
-        self.valve_states_all = vst[0]
-        # Extract each valve state from U16 valves states using bit-masking
-        self.m4_valv["state"] = self._binary_to_valve_state(vst[0] & 1)
-        self.m12_valv["state"] = self._binary_to_valve_state(vst[0] & 2)
-        self.p11_valv["state"] = self._binary_to_valve_state(vst[0] & 4)
-        self.p33_valv["state"] = self._binary_to_valve_state(vst[0] & 8)
-        self.p34_valv["state"] = self._binary_to_valve_state(vst[0] & 16)
-        self.p37_valv["state"] = self._binary_to_valve_state(vst[0] & 32)
-        self.p39_valv["state"] = self._binary_to_valve_state(vst[0] & 64)
-        self.p6_valv["state"] = self._binary_to_valve_state(vst[0] & 128)
 
-        start = self.END_POS_VALVES_STATES
+        # Extract each valve state from U08 valves states using bit-masking
+        io_valves = struct.unpack('B', bytearray(message['message'][self.START_IO_VALVES_STATES:self.END_IO_VALVES_STATES]))
+        self.m4_valv["state"] = self._binary_to_valve_state(io_valves[0] & 1)
+        self.m12_valv["state"] = self._binary_to_valve_state(io_valves[0] & 2)
+        self.valve_states_all = io_valves[0]
+
+        # Extract each valve state from U08 valves states using bit-masking
+        fp_valves = struct.unpack('B', bytearray(message['message'][self.START_FP_VALVES_STATES:self.END_FP_VALVES_STATES]))
+        self.p11_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 1)
+        self.p33_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 2)
+        self.p34_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 4)
+        self.p37_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 8)
+        self.p39_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 16)
+        self.p6_valv["state"] = self._binary_to_valve_state(fp_valves[0] & 32)
+        self.valve_states_all += fp_valves[0] << 8
+
+        # Extract each valve sensed state from U08 valves states using bit-masking
+        start = self.END_FP_VALVES_STATES
         end = start + 1
         for valve_id in self.valves_sensed_states:
             valve_state_number = struct.unpack('B', bytearray(message['message'][start:end]))[0]