diff --git a/fsw/inc/cfe_psp.h b/fsw/inc/cfe_psp.h
index f3d6a54b..91f7e580 100644
--- a/fsw/inc/cfe_psp.h
+++ b/fsw/inc/cfe_psp.h
@@ -39,30 +39,12 @@
 #include "common_types.h"
 #include "osapi.h"
 
+#include "cfe_psp_error.h"
+
 /*
 ** Macro Definitions
 */
 
-/*
-** Error and return codes
-*/
-#define CFE_PSP_SUCCESS                  (0)
-#define CFE_PSP_ERROR                    (-1)
-#define CFE_PSP_INVALID_POINTER          (-2)
-#define CFE_PSP_ERROR_ADDRESS_MISALIGNED (-3)
-#define CFE_PSP_ERROR_TIMEOUT            (-4)
-#define CFE_PSP_INVALID_INT_NUM          (-5)
-#define CFE_PSP_INVALID_MEM_ADDR         (-21)
-#define CFE_PSP_INVALID_MEM_TYPE         (-22)
-#define CFE_PSP_INVALID_MEM_RANGE        (-23)
-#define CFE_PSP_INVALID_MEM_WORDSIZE     (-24)
-#define CFE_PSP_INVALID_MEM_SIZE         (-25)
-#define CFE_PSP_INVALID_MEM_ATTR         (-26)
-#define CFE_PSP_ERROR_NOT_IMPLEMENTED    (-27)
-#define CFE_PSP_INVALID_MODULE_NAME      (-28)
-#define CFE_PSP_INVALID_MODULE_ID        (-29)
-#define CFE_PSP_NO_EXCEPTION_DATA        (-30)
-
 /*
 ** Definitions for PSP PANIC types
 */
diff --git a/fsw/inc/cfe_psp_error.h b/fsw/inc/cfe_psp_error.h
new file mode 100644
index 00000000..ded4bec1
--- /dev/null
+++ b/fsw/inc/cfe_psp_error.h
@@ -0,0 +1,82 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+#ifndef CFE_PSP_ERROR_H
+#define CFE_PSP_ERROR_H
+
+/**
+ * \file
+ * \brief cFE PSP Error header
+ */
+
+#include "common_types.h"
+
+/**
+ * \brief PSP Status type for readability and potentially type safety
+ */
+typedef int32 CFE_PSP_Status_t;
+
+/**
+ * \brief PSP Status macro for literal
+ */
+#define CFE_PSP_STATUS_C(X) ((CFE_PSP_Status_t)(X))
+
+/**
+ * \brief PSP Status converted to string length limit
+ *
+ * Used for sizing CFE_PSP_StatusString_t intended for use in printing CFE_PSP_Status_t values
+ * Sized for %ld (LONG_MIN) including NULL
+ */
+#define CFE_PSP_STATUS_STRING_LENGTH 12
+
+/**
+ * @brief For the @ref CFE_PSP_StatusToString() function, to ensure
+ * everyone is making an array of the same length.
+ */
+typedef char CFE_PSP_StatusString_t[CFE_PSP_STATUS_STRING_LENGTH];
+
+/**
+ * @brief Convert status to a string
+ *
+ * @param[in] status Status value to convert
+ * @param[out] status_string Buffer to store status converted to string
+ *
+ * @return Passed in string pointer
+ */
+char *CFE_PSP_StatusToString(CFE_PSP_Status_t status, CFE_PSP_StatusString_t *status_string);
+
+/*
+ * Error and return codes
+ */
+#define CFE_PSP_SUCCESS                  (CFE_PSP_STATUS_C(0))
+#define CFE_PSP_ERROR                    (CFE_PSP_STATUS_C(-1))
+#define CFE_PSP_INVALID_POINTER          (CFE_PSP_STATUS_C(-2))
+#define CFE_PSP_ERROR_ADDRESS_MISALIGNED (CFE_PSP_STATUS_C(-3))
+#define CFE_PSP_ERROR_TIMEOUT            (CFE_PSP_STATUS_C(-4))
+#define CFE_PSP_INVALID_INT_NUM          (CFE_PSP_STATUS_C(-5))
+#define CFE_PSP_INVALID_MEM_ADDR         (CFE_PSP_STATUS_C(-21))
+#define CFE_PSP_INVALID_MEM_TYPE         (CFE_PSP_STATUS_C(-22))
+#define CFE_PSP_INVALID_MEM_RANGE        (CFE_PSP_STATUS_C(-23))
+#define CFE_PSP_INVALID_MEM_WORDSIZE     (CFE_PSP_STATUS_C(-24))
+#define CFE_PSP_INVALID_MEM_SIZE         (CFE_PSP_STATUS_C(-25))
+#define CFE_PSP_INVALID_MEM_ATTR         (CFE_PSP_STATUS_C(-26))
+#define CFE_PSP_ERROR_NOT_IMPLEMENTED    (CFE_PSP_STATUS_C(-27))
+#define CFE_PSP_INVALID_MODULE_NAME      (CFE_PSP_STATUS_C(-28))
+#define CFE_PSP_INVALID_MODULE_ID        (CFE_PSP_STATUS_C(-29))
+#define CFE_PSP_NO_EXCEPTION_DATA        (CFE_PSP_STATUS_C(-30))
+
+#endif /* CFE_PSP_ERROR_H */
diff --git a/fsw/shared/CMakeLists.txt b/fsw/shared/CMakeLists.txt
index 994c1998..77173a70 100644
--- a/fsw/shared/CMakeLists.txt
+++ b/fsw/shared/CMakeLists.txt
@@ -13,6 +13,7 @@
 
 # Build the shared implementation as a library
 add_library(psp-${CFE_PSP_TARGETNAME}-shared OBJECT
+    src/cfe_psp_error.c
     src/cfe_psp_exceptionstorage.c
     src/cfe_psp_memrange.c
     src/cfe_psp_memutils.c
diff --git a/fsw/shared/src/cfe_psp_error.c b/fsw/shared/src/cfe_psp_error.c
new file mode 100644
index 00000000..b7a7cdb7
--- /dev/null
+++ b/fsw/shared/src/cfe_psp_error.c
@@ -0,0 +1,46 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+
+/**
+ * \file
+ *
+ * Implements error APIs
+ */
+#include <stdio.h>
+
+#include "cfe_psp_error.h"
+
+/*----------------------------------------------------------------
+ *
+ * Function: CFE_PSP_StatusToString
+ *
+ *  Purpose: Implemented per public PSP API
+ *           See description in API and header file for detail
+ *
+ *-----------------------------------------------------------------*/
+char *CFE_PSP_StatusToString(CFE_PSP_Status_t status, CFE_PSP_StatusString_t *status_string)
+{
+    char *string = NULL;
+
+    if (status_string != NULL)
+    {
+        snprintf(*status_string, sizeof(*status_string), "%ld", (long)status);
+        string = *status_string;
+    }
+    return string;
+}
diff --git a/ut-stubs/cfe_psp_error_stubs.c b/ut-stubs/cfe_psp_error_stubs.c
new file mode 100644
index 00000000..323a6c87
--- /dev/null
+++ b/ut-stubs/cfe_psp_error_stubs.c
@@ -0,0 +1,44 @@
+/************************************************************************
+ * NASA Docket No. GSC-18,719-1, and identified as “core Flight System: Bootes”
+ *
+ * Copyright (c) 2020 United States Government as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ************************************************************************/
+#define CFE_PSP_ERROR_H
+
+/**
+ * @file
+ *
+ * Auto-Generated stub implementations for functions defined in cfe_psp_error header
+ */
+
+#include "cfe_psp_error.h"
+#include "utgenstub.h"
+
+/*
+ * ----------------------------------------------------
+ * Generated stub function for CFE_PSP_StatusToString()
+ * ----------------------------------------------------
+ */
+char *CFE_PSP_StatusToString(CFE_PSP_Status_t status, CFE_PSP_StatusString_t *status_string)
+{
+    UT_GenStub_SetupReturnBuffer(CFE_PSP_StatusToString, char *);
+
+    UT_GenStub_AddParam(CFE_PSP_StatusToString, CFE_PSP_Status_t, status);
+    UT_GenStub_AddParam(CFE_PSP_StatusToString, CFE_PSP_StatusString_t *, status_string);
+
+    UT_GenStub_Execute(CFE_PSP_StatusToString, Basic, NULL);
+
+    return UT_GenStub_GetReturnValue(CFE_PSP_StatusToString, char *);
+}