diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
index 434242ebd..acf3ba056 100644
--- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
+++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
@@ -111,9 +111,25 @@ enum class attr_eff_engine_fields
     MRAM_SUPPORT = 8,
     SPD_CL_SUPPORTED = 9,
     ADDRESS_MIRROR = 10,
+    MODULE_THERMAL_SENSORS = 11,
+
+    THERM_SENSOR_0_AVAIL = 12,
+    THERM_SENSOR_0_TYPE = 13,
+    THERM_SENSOR_0_USAGE = 14,
+    THERM_SENSOR_0_I2C_ADDR = 15,
+
+    THERM_SENSOR_1_AVAIL = 16,
+    THERM_SENSOR_1_TYPE = 17,
+    THERM_SENSOR_1_USAGE = 18,
+    THERM_SENSOR_1_I2C_ADDR = 19,
+
+    THERM_SENSOR_DIFF_AVAIL = 20,
+    THERM_SENSOR_DIFF_TYPE = 21,
+    THERM_SENSOR_DIFF_USAGE = 22,
+    THERM_SENSOR_DIFF_I2C_ADDR = 23,
 
     // Dispatcher set to last enum value
-    DISPATCHER = ADDRESS_MIRROR,
+    DISPATCHER = THERM_SENSOR_DIFF_I2C_ADDR,
 };
 
 ///
@@ -158,6 +174,22 @@ enum ffdc_codes
     SET_MRAM_SUPPORT = 0x1049,
     SET_SPD_CL_SUPPORTED = 0x1050,
     SET_SERDES_FREQ = 0x1051,
+    SET_MODULE_THERMAL_SENSORS = 0x1052,
+
+    SET_THERM_SENSOR_0_AVAIL = 0x1053,
+    SET_THERM_SENSOR_0_TYPE = 0x1054,
+    SET_THERM_SENSOR_0_USAGE = 0x1055,
+    SET_THERM_SENSOR_0_I2C_ADDR = 0x1056,
+
+    SET_THERM_SENSOR_1_AVAIL = 0x1057,
+    SET_THERM_SENSOR_1_TYPE = 0x1058,
+    SET_THERM_SENSOR_1_USAGE = 0x1059,
+    SET_THERM_SENSOR_1_I2C_ADDR = 0x105A,
+
+    SET_THERM_SENSOR_DIFF_AVAIL = 0x105B,
+    SET_THERM_SENSOR_DIFF_TYPE = 0x105C,
+    SET_THERM_SENSOR_DIFF_USAGE = 0x105D,
+    SET_THERM_SENSOR_DIFF_I2C_ADDR = 0x105E,
 };
 
 ///
diff --git a/src/import/chips/ocmb/explorer/procedures/xml/error_info/mss_exp_errors.xml b/src/import/chips/ocmb/explorer/procedures/xml/error_info/mss_exp_errors.xml
index 4b9285dd3..7e4a926ff 100644
--- a/src/import/chips/ocmb/explorer/procedures/xml/error_info/mss_exp_errors.xml
+++ b/src/import/chips/ocmb/explorer/procedures/xml/error_info/mss_exp_errors.xml
@@ -5,7 +5,7 @@
 <!--                                                                        -->
 <!-- OpenPOWER sbe Project                                                  -->
 <!--                                                                        -->
-<!-- Contributors Listed Below - COPYRIGHT 2018,2019                        -->
+<!-- Contributors Listed Below - COPYRIGHT 2018,2020                        -->
 <!-- [+] International Business Machines Corp.                              -->
 <!--                                                                        -->
 <!--                                                                        -->
@@ -768,4 +768,17 @@
     </deconfigure>
   </hwpError>
 
+  <hwpError>
+    <rc>RC_MSS_EXP_UNKNOWN_THERMAL_SENSOR</rc>
+    <description>
+      The thermal sensor type for the given port was not a known value
+    </description>
+    <ffdc>PORT_TARGET</ffdc>
+    <ffdc>VALUE</ffdc>
+    <callout>
+      <procedure>CODE</procedure>
+      <priority>MEDIUM</priority>
+    </callout>
+  </hwpError>
+
 </hwpErrors>