Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -rc5bfcf84ed942ca5841bf9de155aa0f495b4d28d -r2f02383569fba305dbacac4b90598cd71b3b2df1
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision c5bfcf84ed942ca5841bf9de155aa0f495b4d28d)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 2f02383569fba305dbacac4b90598cd71b3b2df1)
@@ -326,6 +326,7 @@
     MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA053
     MSG_ID_DD_RINSE_PUMP_PWM_PERCENT_OVERRIDE_REQUEST = 0xA054
     MSG_ID_DD_RINSE_PUMP_TURN_ON_OFF_REQUEST = 0xA055
+    MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA056
 
     # Placeholder messages
     MSG_ID_DD_ALARM_STATE_OVERRIDE_REQUEST = 0xAF03
Index: leahi_dialin/dd/modules/conductivity_sensors.py
===================================================================
diff -u -rc5bfcf84ed942ca5841bf9de155aa0f495b4d28d -r2f02383569fba305dbacac4b90598cd71b3b2df1
--- leahi_dialin/dd/modules/conductivity_sensors.py	(.../conductivity_sensors.py)	(revision c5bfcf84ed942ca5841bf9de155aa0f495b4d28d)
+++ leahi_dialin/dd/modules/conductivity_sensors.py	(.../conductivity_sensors.py)	(revision 2f02383569fba305dbacac4b90598cd71b3b2df1)
@@ -23,7 +23,7 @@
 from leahi_dialin.common.global_vars import GlobalVariables
 from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
 from leahi_dialin.common.override_templates import cmd_generic_broadcast_interval_override, cmd_generic_override
-from leahi_dialin.protocols.CAN import DenaliChannels
+from leahi_dialin.protocols.CAN import DenaliMessage, DenaliChannels
 from leahi_dialin.utils.base import AbstractSubSystem, publish
 from leahi_dialin.utils.conversions import integer_to_bytearray, float_to_bytearray
 
@@ -175,27 +175,26 @@
             can_interface = self.can_interface)
 
 
-    def cmd_conductivity_sensor_error_counter_override(self, sensor_index: int, counter: int, reset: int = NO_RESET) -> int:
+    def cmd_conductivity_sensor_error_counter_override(self, model_id: int) -> int:
         """
-        Constructs and sends the conductivity error count override command
+        Constructs and sends the conductivity model set command. Default is Standard.
+        This only applies to Aly conductivity sensors that are connected to a Teensy Board.
+        This will also affect FP conductivity sensors.
+        Model IDs:
+            STANDARD,               standard equation for conductivity
+            ALY_LINEAR,             Aly's high range model for conductivity
+            UPDATED_STANDARD,       Updated standard equation with a linear transformation.
 
-        @param sensor: unsigned int - sensor ID
-        @param counter:  int - error count value to override sensor with
-        @param reset:  integer - 1 to reset a previous override, 0 to override
-        @return: 1 if successful, zero otherwise
+        @param model_id: unsigned int - model ID.
+        @return: none
         """
-        reset_byte_array = integer_to_bytearray(reset)
-        error_byte_array = integer_to_bytearray(counter)
-        sensor_byte_array = integer_to_bytearray(sensor_index)
-        payload = reset_byte_array + error_byte_array + sensor_byte_array
+        model_byte_array = integer_to_bytearray(model_id)
+        payload = model_byte_array
 
-        sensor_name = dd_enum_repository.DDConductivitySensorNames(sensor_index).name.split('_')[0]
-        return cmd_generic_override(
-            payload = payload,
-            reset = reset,
-            channel_id = DenaliChannels.dialin_to_dd_ch_id,
-            msg_id = MsgIds.MSG_ID_DD_CONDUCTIVITY_SENSOR_ERROR_COUNTER_OVERRIDE_REQUEST,
-            entity_name = f'DD {sensor_name} Conductivity Sensor error counter',
-            override_text = str(counter),
-            logger = self.logger,
-            can_interface = self.can_interface)
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dd_ch_id,
+                                              message_id=MsgIds.MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST.value,
+                                              payload=payload)
+
+        self.logger.debug("Sending DD conductivity sensor model request.")
+        self.can_interface.send(message, 0)
+