Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r66d171f4704fd77835314e6024e508587f001e8f -r9ea3edf76e85df799ba18da8b0515709c5272294
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 66d171f4704fd77835314e6024e508587f001e8f)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 9ea3edf76e85df799ba18da8b0515709c5272294)
@@ -345,7 +345,7 @@
     MSG_ID_DD_DRY_BICART_FILL_CYCLE_MAX_OVERRIDE_REQUEST = 0xA058
     MSG_ID_DD_DRY_BICART_FILL_REQUEST_OVERRIDE_REQUEST = 0xA059
     MSG_ID_DD_BICARB_CHAMBER_FILL_REQUEST_OVERRIDE_REQUEST = 0xA05A
-    MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA05B
+    MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA05D
 
     # Placeholder messages
     MSG_ID_DD_ALARM_STATE_OVERRIDE_REQUEST = 0xAF03
Index: leahi_dialin/fp/modules/pressure_sensors.py
===================================================================
diff -u -r66d171f4704fd77835314e6024e508587f001e8f -r9ea3edf76e85df799ba18da8b0515709c5272294
--- leahi_dialin/fp/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision 66d171f4704fd77835314e6024e508587f001e8f)
+++ leahi_dialin/fp/modules/pressure_sensors.py	(.../pressure_sensors.py)	(revision 9ea3edf76e85df799ba18da8b0515709c5272294)
@@ -18,7 +18,7 @@
 from logging import Logger
 
 from leahi_dialin.common.constants import NO_RESET
-from leahi_dialin.common.fp_defs import fp_enum_repository
+from leahi_dialin.common.fp_defs import fp_enum_repository, BETA_IOFP_PRES_SENSOR_OFFSET
 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
@@ -138,8 +138,9 @@
         @param reset:  integer - 1 to reset a previous override, 0 to override
         @return: 1 if successful, zero otherwise
         """
+        modified_index = sensor + BETA_IOFP_PRES_SENSOR_OFFSET
         rst = integer_to_bytearray(reset)
-        sen = integer_to_bytearray(sensor)
+        sen = integer_to_bytearray(modified_index)
         prs = float_to_bytearray(pressure)
         payload = rst + prs + sen