diff --git a/rpcs3/Emu/CMakeLists.txt b/rpcs3/Emu/CMakeLists.txt
index fa01bfaff4..6142d581b9 100644
--- a/rpcs3/Emu/CMakeLists.txt
+++ b/rpcs3/Emu/CMakeLists.txt
@@ -191,6 +191,7 @@ target_sources(rpcs3_emu PRIVATE
 	Cell/Modules/cellAtracMulti.cpp
 	Cell/Modules/cellAudio.cpp
 	Cell/Modules/cellAudioOut.cpp
+	Cell/Modules/cellAuthDialog.cpp
 	Cell/Modules/cellAvconfExt.cpp
 	Cell/Modules/cellBgdl.cpp
 	Cell/Modules/cellCamera.cpp
diff --git a/rpcs3/Emu/Cell/Modules/cellAuthDialog.cpp b/rpcs3/Emu/Cell/Modules/cellAuthDialog.cpp
new file mode 100644
index 0000000000..d5e6718351
--- /dev/null
+++ b/rpcs3/Emu/Cell/Modules/cellAuthDialog.cpp
@@ -0,0 +1,66 @@
+#include "stdafx.h"
+#include "Emu/Cell/PPUModule.h"
+
+LOG_CHANNEL(cellSysutil);
+
+// All error codes are unknown at this point in implementation
+enum cellSysutilAuthDialogError : u32
+{
+	CELL_AUTHDIALOG_UNKNOWN_201  = 0x8002D201,
+	CELL_AUTHDIALOG_ARG1_IS_ZERO = 0x8002D202,
+	CELL_AUTHDIALOG_UNKNOWN_203  = 0x8002D203,
+};
+
+template<>
+void fmt_class_string<cellSysutilAuthDialogError>::format(std::string& out, u64 arg)
+{
+	format_enum(out, arg, [](auto error)
+	{
+		switch (error)
+		{
+			STR_CASE(CELL_AUTHDIALOG_UNKNOWN_201);
+			STR_CASE(CELL_AUTHDIALOG_ARG1_IS_ZERO);
+			STR_CASE(CELL_AUTHDIALOG_UNKNOWN_203);
+		}
+
+		return unknown;
+	});
+}
+
+// Decompilation suggests arg1 is s64 but the check is for == 0 instead of >= 0
+error_code cellAuthDialogOpen(u64 arg1 /* arg2 */)
+{
+	cellSysutil.todo("cellAuthDialogOpen(arg1=%u)", arg1);
+
+	if (arg1 == 0)
+		return CELL_AUTHDIALOG_ARG1_IS_ZERO;
+
+	return CELL_OK;
+}
+
+error_code cellAuthDialogAbort()
+{
+	cellSysutil.todo("cellAuthDialogAbort()");
+
+	// If it fails the first if condition (not init cond?)
+	// return CELL_AUTHDIALOG_UNKNOWN_203;
+
+	return CELL_OK;
+}
+
+error_code cellAuthDialogClose(/* arg1 */)
+{
+	cellSysutil.todo("cellAuthDialogClose()");
+
+	// If it fails the first if condition (not init cond?)
+	// return CELL_AUTHDIALOG_UNKNOWN_203;
+
+	return CELL_OK;
+}
+
+DECLARE(ppu_module_manager::cellAuthDialogUtility)("cellAuthDialogUtility", []()
+{
+	REG_FUNC(cellAuthDialogUtility, cellAuthDialogOpen);
+	REG_FUNC(cellAuthDialogUtility, cellAuthDialogAbort);
+	REG_FUNC(cellAuthDialogUtility, cellAuthDialogClose);
+});
diff --git a/rpcs3/Emu/Cell/PPUModule.cpp b/rpcs3/Emu/Cell/PPUModule.cpp
index 86b2d49808..848885b87a 100644
--- a/rpcs3/Emu/Cell/PPUModule.cpp
+++ b/rpcs3/Emu/Cell/PPUModule.cpp
@@ -164,6 +164,7 @@ static void ppu_initialize_modules(ppu_linkage_info* link)
 		&ppu_module_manager::cellAtracMulti,
 		&ppu_module_manager::cellAudio,
 		&ppu_module_manager::cellAvconfExt,
+		&ppu_module_manager::cellAuthDialogUtility,
 		&ppu_module_manager::cellBGDL,
 		&ppu_module_manager::cellCamera,
 		&ppu_module_manager::cellCelp8Enc,
diff --git a/rpcs3/Emu/Cell/PPUModule.h b/rpcs3/Emu/Cell/PPUModule.h
index 8a6e2b572d..5dca65cd04 100644
--- a/rpcs3/Emu/Cell/PPUModule.h
+++ b/rpcs3/Emu/Cell/PPUModule.h
@@ -171,6 +171,7 @@ public:
 	static const ppu_static_module cellAtracMulti;
 	static const ppu_static_module cellAudio;
 	static const ppu_static_module cellAvconfExt;
+	static const ppu_static_module cellAuthDialogUtility;
 	static const ppu_static_module cellBGDL;
 	static const ppu_static_module cellCamera;
 	static const ppu_static_module cellCelp8Enc;
diff --git a/rpcs3/emucore.vcxproj b/rpcs3/emucore.vcxproj
index 7d19ae7025..c9fa8dabb1 100644
--- a/rpcs3/emucore.vcxproj
+++ b/rpcs3/emucore.vcxproj
@@ -190,6 +190,7 @@
     <ClCompile Include="Emu\Cell\Modules\cellAtracMulti.cpp" />
     <ClCompile Include="Emu\Cell\Modules\cellAudio.cpp" />
     <ClCompile Include="Emu\Cell\Modules\cellAudioOut.cpp" />
+    <ClCompile Include="Emu\Cell\Modules\cellAuthDialog.cpp" />
     <ClCompile Include="Emu\Cell\Modules\cellAvconfExt.cpp" />
     <ClCompile Include="Emu\Cell\Modules\cellBgdl.cpp" />
     <ClCompile Include="Emu\Cell\Modules\cellCamera.cpp" />
@@ -691,4 +692,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/rpcs3/emucore.vcxproj.filters b/rpcs3/emucore.vcxproj.filters
index cf5b78d574..e4dfc96636 100644
--- a/rpcs3/emucore.vcxproj.filters
+++ b/rpcs3/emucore.vcxproj.filters
@@ -341,6 +341,9 @@
     <ClCompile Include="Emu\Cell\Modules\cellAudioOut.cpp">
       <Filter>Emu\Cell\Modules</Filter>
     </ClCompile>
+    <ClCompile Include="Emu\Cell\Modules\cellAuthDialog.cpp">
+      <Filter>Emu\Cell\Modules</Filter>
+    </ClCompile>
     <ClCompile Include="Emu\Cell\Modules\cellAvconfExt.cpp">
       <Filter>Emu\Cell\Modules</Filter>
     </ClCompile>
@@ -1703,4 +1706,4 @@
       <Filter>Emu\GPU\RSX\Overlays</Filter>
     </ClInclude>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>