diff --git a/power-supply/power_supply.cpp b/power-supply/power_supply.cpp
index 0a5c9cc..62067ef 100644
--- a/power-supply/power_supply.cpp
+++ b/power-supply/power_supply.cpp
@@ -121,7 +121,6 @@
 
 void PowerSupply::getAccessType()
 {
-    using namespace phosphor::pmbus;
     using namespace phosphor::power::util;
     fruJson = loadJSONFromFile(PSU_JSON_PATH);
     if (fruJson == nullptr)
@@ -129,29 +128,7 @@
         log<level::ERR>("InternalFailure when parsing the JSON file");
         return;
     }
-
-    auto type = fruJson.at("inventoryPMBusAccessType");
-
-    if (type == "Hwmon")
-    {
-        inventoryPMBusAccessType = Type::Hwmon;
-    }
-    else if (type == "DeviceDebug")
-    {
-        inventoryPMBusAccessType = Type::DeviceDebug;
-    }
-    else if (type == "Debug")
-    {
-        inventoryPMBusAccessType = Type::Debug;
-    }
-    else if (type == "HwmonDeviceDebug")
-    {
-        inventoryPMBusAccessType = Type::HwmonDeviceDebug;
-    }
-    else
-    {
-        inventoryPMBusAccessType = Type::Base;
-    }
+    inventoryPMBusAccessType = getPMBusAccessType(fruJson);
 }
 
 void PowerSupply::captureCmd(util::NamesValues& nv, const std::string& cmd,
diff --git a/power-supply/power_supply.hpp b/power-supply/power_supply.hpp
index e292ca2..550373b 100644
--- a/power-supply/power_supply.hpp
+++ b/power-supply/power_supply.hpp
@@ -265,7 +265,8 @@
     /**
      * @brief The type of the power supply inventory pmbus access.
      */
-    phosphor::pmbus::Type inventoryPMBusAccessType;
+    phosphor::pmbus::Type inventoryPMBusAccessType =
+        phosphor::pmbus::Type::Base;
 
     /**
      * @brief The JSON from the parsed power supply FRU JSON File.
diff --git a/utility.cpp b/utility.cpp
index 8fe02dc..bd84249 100644
--- a/utility.cpp
+++ b/utility.cpp
@@ -73,6 +73,36 @@
     return data;
 }
 
+phosphor::pmbus::Type getPMBusAccessType(const json& json)
+{
+    using namespace phosphor::pmbus;
+    Type type;
+
+    auto typeStr = json.at("inventoryPMBusAccessType");
+
+    if (typeStr == "Hwmon")
+    {
+        type = Type::Hwmon;
+    }
+    else if (typeStr == "DeviceDebug")
+    {
+        type = Type::DeviceDebug;
+    }
+    else if (typeStr == "Debug")
+    {
+        type = Type::Debug;
+    }
+    else if (typeStr == "HwmonDeviceDebug")
+    {
+        type = Type::HwmonDeviceDebug;
+    }
+    else
+    {
+        type = Type::Base;
+    }
+    return type;
+}
+
 } // namespace util
 } // namespace power
 } // namespace phosphor
diff --git a/utility.hpp b/utility.hpp
index 78b9425..f6c40d8 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "pmbus.hpp"
+
 #include <nlohmann/json.hpp>
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/log.hpp>
@@ -114,6 +116,15 @@
  */
 nlohmann::json loadJSONFromFile(const char* path);
 
+/**
+ * Get PmBus access type from the json config
+ *
+ * @param[in] json - The json object
+ *
+ * @return The pmbus access type
+ */
+phosphor::pmbus::Type getPMBusAccessType(const nlohmann::json& json);
+
 } // namespace util
 } // namespace power
 } // namespace phosphor