diff --git a/test/openpower-pels/Makefile.include b/test/openpower-pels/Makefile.include
index 07e596d..288a5db 100644
--- a/test/openpower-pels/Makefile.include
+++ b/test/openpower-pels/Makefile.include
@@ -3,9 +3,14 @@
 check_PROGRAMS += \
 	additional_data_test \
 	bcd_time_test \
+	private_header_test \
 	section_header_test \
 	stream_test
 
+pel_objects = \
+	$(top_builddir)/extensions/openpower-pels/bcd_time.o \
+	$(top_builddir)/extensions/openpower-pels/private_header.o
+
 additional_data_test_SOURCES = %reldir%/additional_data_test.cpp
 additional_data_test_CPPFLAGS = $(test_cppflags)
 additional_data_test_CXXFLAGS = $(test_cxxflags)
@@ -32,4 +37,13 @@
 section_header_test_CPPFLAGS = $(test_cppflags)
 section_header_test_CXXFLAGS = $(test_cxxflags)
 section_header_test_LDADD = $(test_ldadd)
-section_header_test_LDFLAGS = $(test_ldflags)
\ No newline at end of file
+section_header_test_LDFLAGS = $(test_ldflags)
+
+private_header_test_SOURCES = \
+	%reldir%/private_header_test.cpp %reldir%/pel_utils.cpp
+private_header_test_CPPFLAGS = $(test_cppflags)
+private_header_test_CXXFLAGS = $(test_cxxflags)
+private_header_test_LDADD = \
+	$(test_ldadd) \
+	$(pel_objects)
+private_header_test_LDFLAGS = $(test_ldflags)
diff --git a/test/openpower-pels/pel_utils.cpp b/test/openpower-pels/pel_utils.cpp
new file mode 100644
index 0000000..4e4c32a
--- /dev/null
+++ b/test/openpower-pels/pel_utils.cpp
@@ -0,0 +1,57 @@
+#include "pel_utils.hpp"
+
+#include "extensions/openpower-pels/private_header.hpp"
+
+#include <fstream>
+
+#include <gtest/gtest.h>
+
+namespace fs = std::filesystem;
+using namespace openpower::pels;
+
+constexpr uint8_t simplePEL[] = {
+    // private header section header
+    0x50, 0x48, // ID 'PH'
+    0x00, 0x30, // Size
+    0x01, 0x02, // version, subtype
+    0x03, 0x04, // comp ID
+
+    // private header
+    0x20, 0x30, 0x05, 0x09, 0x11, 0x1E, 0x1, 0x63,  // create timestamp
+    0x20, 0x31, 0x06, 0x0F, 0x09, 0x22, 0x3A, 0x00, // commit timestamp
+    0xAA,                                           // creatorID
+    0x00,                                           // logtype
+    0x00,                                           // reserved
+    0x02,                                           // section count
+    0x90, 0x91, 0x92, 0x93,                         // OpenBMC log ID
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0,    // creator version
+    0x50, 0x51, 0x52, 0x53,                         // plid
+    0x80, 0x81, 0x82, 0x83                          // id
+
+};
+
+std::unique_ptr<std::vector<uint8_t>> pelDataFactory(TestPelType type)
+{
+    std::unique_ptr<std::vector<uint8_t>> data;
+    switch (type)
+    {
+        case TestPelType::pelSimple:
+            data = std::make_unique<std::vector<uint8_t>>(
+                simplePEL, simplePEL + sizeof(simplePEL));
+            break;
+        case TestPelType::privateHeaderSimple:
+            data = std::make_unique<std::vector<uint8_t>>(
+                simplePEL, simplePEL + PrivateHeader::flattenedSize());
+            break;
+    }
+    return data;
+}
+
+std::unique_ptr<std::vector<uint8_t>> readPELFile(const fs::path& path)
+{
+    std::ifstream file{path};
+
+    auto pel = std::make_unique<std::vector<uint8_t>>(
+        std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>());
+    return pel;
+}
diff --git a/test/openpower-pels/pel_utils.hpp b/test/openpower-pels/pel_utils.hpp
new file mode 100644
index 0000000..bc4e05d
--- /dev/null
+++ b/test/openpower-pels/pel_utils.hpp
@@ -0,0 +1,33 @@
+#include <filesystem>
+#include <memory>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+/**
+ * @brief Tells the factory which PEL to create
+ */
+enum class TestPelType
+{
+    pelSimple,
+    privateHeaderSimple
+};
+
+/**
+ * @brief PEL data factory, for testing
+ *
+ * @param[in] type - the type of data to create
+ *
+ * @return std::unique_ptr<std::vector<uint8_t>> - the PEL data
+ */
+std::unique_ptr<std::vector<uint8_t>> pelDataFactory(TestPelType type);
+
+/**
+ * @brief Helper function to read raw PEL data from a file
+ *
+ * @param[in] path - the path to read
+ *
+ * @return std::unique_ptr<std::vector<uint8_t>> - the data from the file
+ */
+std::unique_ptr<std::vector<uint8_t>>
+    readPELFile(const std::filesystem::path& path);
diff --git a/test/openpower-pels/private_header_test.cpp b/test/openpower-pels/private_header_test.cpp
new file mode 100644
index 0000000..40a1ad2
--- /dev/null
+++ b/test/openpower-pels/private_header_test.cpp
@@ -0,0 +1,126 @@
+#include "extensions/openpower-pels/private_header.hpp"
+#include "pel_utils.hpp"
+
+#include <gtest/gtest.h>
+
+using namespace openpower::pels;
+
+TEST(PrivateHeaderTest, SizeTest)
+{
+    EXPECT_EQ(PrivateHeader::flattenedSize(), 48);
+}
+
+TEST(PrivateHeaderTest, UnflattenFlattenTest)
+{
+    auto data = pelDataFactory(TestPelType::privateHeaderSimple);
+
+    Stream stream(*data);
+    PrivateHeader ph(stream);
+    EXPECT_EQ(ph.valid(), true);
+
+    EXPECT_EQ(ph.header().id, 0x5048);
+    EXPECT_EQ(ph.header().size, PrivateHeader::flattenedSize());
+    EXPECT_EQ(ph.header().version, 0x01);
+    EXPECT_EQ(ph.header().subType, 0x02);
+    EXPECT_EQ(ph.header().componentID, 0x0304);
+
+    auto& ct = ph.createTimestamp();
+    EXPECT_EQ(ct.yearMSB, 0x20);
+    EXPECT_EQ(ct.yearLSB, 0x30);
+    EXPECT_EQ(ct.month, 0x05);
+    EXPECT_EQ(ct.day, 0x09);
+    EXPECT_EQ(ct.hour, 0x011);
+    EXPECT_EQ(ct.minutes, 0x1E);
+    EXPECT_EQ(ct.seconds, 0x01);
+    EXPECT_EQ(ct.hundredths, 0x63);
+
+    auto& mt = ph.commitTimestamp();
+    EXPECT_EQ(mt.yearMSB, 0x20);
+    EXPECT_EQ(mt.yearLSB, 0x31);
+    EXPECT_EQ(mt.month, 0x06);
+    EXPECT_EQ(mt.day, 0x0F);
+    EXPECT_EQ(mt.hour, 0x09);
+    EXPECT_EQ(mt.minutes, 0x22);
+    EXPECT_EQ(mt.seconds, 0x3A);
+    EXPECT_EQ(mt.hundredths, 0x00);
+
+    EXPECT_EQ(ph.creatorID(), 0xAA);
+    EXPECT_EQ(ph.logType(), 0x00);
+    EXPECT_EQ(ph.sectionCount(), 0x02);
+    EXPECT_EQ(ph.obmcLogID(), 0x90919293);
+
+    char expected[] = {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x00};
+    EXPECT_TRUE(memcmp(ph.creatorVersion().version, expected, 8) == 0);
+
+    EXPECT_EQ(ph.plid(), 0x50515253);
+    EXPECT_EQ(ph.id(), 0x80818283);
+
+    // Now flatten into a vector and check that this vector
+    // matches the original one.
+    std::vector<uint8_t> newData;
+    Stream newStream(newData);
+
+    newStream << ph;
+    EXPECT_EQ(*data, newData);
+
+    // Change a field, then flatten and unflatten again
+    ph.creatorID() = 0x55;
+
+    newStream.offset(0);
+    newData.clear();
+    newStream << ph;
+    EXPECT_NE(*data, newData);
+
+    newStream.offset(0);
+    PrivateHeader newPH(newStream);
+
+    EXPECT_TRUE(newPH.valid());
+    EXPECT_EQ(newPH.creatorID(), 0x55);
+}
+
+TEST(PrivateHeaderTest, ShortDataTest)
+{
+    auto data = pelDataFactory(TestPelType::privateHeaderSimple);
+    data->resize(PrivateHeader::flattenedSize() - 1);
+    Stream stream(*data);
+
+    PrivateHeader ph(stream);
+
+    EXPECT_EQ(ph.valid(), false);
+}
+
+TEST(PrivateHeaderTest, CorruptDataTest1)
+{
+    auto data = pelDataFactory(TestPelType::privateHeaderSimple);
+    Stream stream(*data);
+
+    data->at(0) = 0; // corrupt the section ID
+
+    PrivateHeader ph(stream);
+
+    EXPECT_EQ(ph.valid(), false);
+}
+
+TEST(PrivateHeaderTest, CorruptDataTest2)
+{
+    auto data = pelDataFactory(TestPelType::privateHeaderSimple);
+    Stream stream(*data);
+
+    data->at(4) = 0x22; // corrupt the version
+
+    PrivateHeader ph(stream);
+
+    EXPECT_EQ(ph.valid(), false);
+}
+
+TEST(PrivateHeaderTest, CorruptDataTest3)
+{
+    auto data = pelDataFactory(TestPelType::privateHeaderSimple);
+    Stream stream(*data);
+
+    data->at(27) = 1; // corrupt the section count
+
+    PrivateHeader ph(stream);
+
+    EXPECT_EQ(ph.valid(), false);
+}