diff --git a/phosphor-regulators/src/actions/pmbus_read_sensor_action.cpp b/phosphor-regulators/src/actions/pmbus_read_sensor_action.cpp
index 4cc6a69..f8a15d7 100644
--- a/phosphor-regulators/src/actions/pmbus_read_sensor_action.cpp
+++ b/phosphor-regulators/src/actions/pmbus_read_sensor_action.cpp
@@ -48,8 +48,7 @@
                 break;
             case pmbus_utils::SensorDataFormat::linear_16:
                 // Get exponent value for converting linear format to volts
-                // value
-                int8_t exponentValue = getExponentValue(interface);
+                int8_t exponentValue = getExponentValue(environment, interface);
 
                 // Convert linear_16 format to a normal decimal number
                 reading.value =
@@ -92,7 +91,8 @@
     return ss.str();
 }
 
-int8_t PMBusReadSensorAction::getExponentValue(i2c::I2CInterface& interface)
+int8_t PMBusReadSensorAction::getExponentValue(ActionEnvironment& environment,
+                                               i2c::I2CInterface& interface)
 {
     // Check if an exponent value is defined for this action
     if (exponent.has_value())
@@ -112,7 +112,9 @@
     // Verify format is linear; other formats not currently supported
     if (format != pmbus_utils::VoutDataFormat::linear)
     {
-        throw PMBusError("VOUT_MODE contains unsupported data format");
+        throw PMBusError("VOUT_MODE contains unsupported data format",
+                         environment.getDeviceID(),
+                         environment.getDevice().getFRU());
     }
 
     // Return parameter value; it contains the exponent when format is linear
diff --git a/phosphor-regulators/src/actions/pmbus_read_sensor_action.hpp b/phosphor-regulators/src/actions/pmbus_read_sensor_action.hpp
index c39fd8a..620a814 100644
--- a/phosphor-regulators/src/actions/pmbus_read_sensor_action.hpp
+++ b/phosphor-regulators/src/actions/pmbus_read_sensor_action.hpp
@@ -159,10 +159,12 @@
      *
      * Throws an exception if an error occurs.
      *
+     * @param environment action execution environment
      * @param interface I2C interface to the current device
      * @return exponent value
      */
-    int8_t getExponentValue(i2c::I2CInterface& interface);
+    int8_t getExponentValue(ActionEnvironment& environment,
+                            i2c::I2CInterface& interface);
 
     /**
      * Sensor value type.
diff --git a/phosphor-regulators/src/actions/pmbus_write_vout_command_action.cpp b/phosphor-regulators/src/actions/pmbus_write_vout_command_action.cpp
index 2a245a9..9e02746 100644
--- a/phosphor-regulators/src/actions/pmbus_write_vout_command_action.cpp
+++ b/phosphor-regulators/src/actions/pmbus_write_vout_command_action.cpp
@@ -38,7 +38,7 @@
         i2c::I2CInterface& interface = getI2CInterface(environment);
 
         // Get exponent value for converting volts value to linear format
-        int8_t exponentValue = getExponentValue(interface);
+        int8_t exponentValue = getExponentValue(environment, interface);
 
         // Convert volts value to linear data format
         uint16_t linearValue =
@@ -92,8 +92,8 @@
     return ss.str();
 }
 
-int8_t
-    PMBusWriteVoutCommandAction::getExponentValue(i2c::I2CInterface& interface)
+int8_t PMBusWriteVoutCommandAction::getExponentValue(
+    ActionEnvironment& environment, i2c::I2CInterface& interface)
 {
     // Check if an exponent value is defined for this action
     if (exponent.has_value())
@@ -113,7 +113,9 @@
     // Verify format is linear; other formats not currently supported
     if (format != pmbus_utils::VoutDataFormat::linear)
     {
-        throw PMBusError("VOUT_MODE contains unsupported data format");
+        throw PMBusError("VOUT_MODE contains unsupported data format",
+                         environment.getDeviceID(),
+                         environment.getDevice().getFRU());
     }
 
     // Return parameter value; it contains the exponent when format is linear
diff --git a/phosphor-regulators/src/actions/pmbus_write_vout_command_action.hpp b/phosphor-regulators/src/actions/pmbus_write_vout_command_action.hpp
index 4ed1e10..e77ced1 100644
--- a/phosphor-regulators/src/actions/pmbus_write_vout_command_action.hpp
+++ b/phosphor-regulators/src/actions/pmbus_write_vout_command_action.hpp
@@ -189,10 +189,12 @@
      *
      * Throws an exception if an error occurs.
      *
+     * @param environment action execution environment
      * @param interface I2C interface to the current device
      * @return exponent value
      */
-    int8_t getExponentValue(i2c::I2CInterface& interface);
+    int8_t getExponentValue(ActionEnvironment& environment,
+                            i2c::I2CInterface& interface);
 
     /**
      * Gets the volts value to write to VOUT_COMMAND.
diff --git a/phosphor-regulators/src/pmbus_error.hpp b/phosphor-regulators/src/pmbus_error.hpp
index b589526..1050af3 100644
--- a/phosphor-regulators/src/pmbus_error.hpp
+++ b/phosphor-regulators/src/pmbus_error.hpp
@@ -42,13 +42,37 @@
      * Constructor.
      *
      * @param error error message
+     * @param deviceID unique ID of the device where error occurred
+     * @param inventoryPath inventory path of the device where error occurred
      */
-    explicit PMBusError(const std::string& error) :
-        error{"PMBusError: " + error}
+    explicit PMBusError(const std::string& error, const std::string& deviceID,
+                        const std::string& inventoryPath) :
+        error{"PMBusError: " + error},
+        deviceID{deviceID}, inventoryPath{inventoryPath}
     {
     }
 
     /**
+     * Returns the unique ID of the device where the error occurred.
+     *
+     * @return device ID
+     */
+    const std::string& getDeviceID() const
+    {
+        return deviceID;
+    }
+
+    /**
+     * Returns the inventory path of the device where the error occurred.
+     *
+     * @return inventory path
+     */
+    const std::string& getInventoryPath() const
+    {
+        return inventoryPath;
+    }
+
+    /**
      * Returns the description of this error.
      *
      * @return error description
@@ -63,6 +87,16 @@
      * Error message.
      */
     const std::string error{};
+
+    /**
+     * Unique ID of the device where the error occurred.
+     */
+    const std::string deviceID{};
+
+    /**
+     * Inventory path of the device where the error occurred.
+     */
+    const std::string inventoryPath{};
 };
 
 } // namespace phosphor::power::regulators