diff --git a/CMakeLists.txt b/CMakeLists.txt
index f31cd6bc..0c0d2bb4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -345,9 +345,15 @@ if(FSFW_BUILD_TESTS)
           DEPENDENCIES ${FSFW_TEST_TGT})
       else()
         setup_target_for_coverage_lcov(
-          NAME ${FSFW_TEST_TGT}_coverage EXECUTABLE ${FSFW_TEST_TGT}
-          DEPENDENCIES ${FSFW_TEST_TGT}
-          GENHTML_ARGS --html-epilog ${CMAKE_SOURCE_DIR}/unittests/lcov_epilog.html)
+          NAME
+          ${FSFW_TEST_TGT}_coverage
+          EXECUTABLE
+          ${FSFW_TEST_TGT}
+          DEPENDENCIES
+          ${FSFW_TEST_TGT}
+          GENHTML_ARGS
+          --html-epilog
+          ${CMAKE_SOURCE_DIR}/unittests/lcov_epilog.html)
       endif()
     endif()
   endif()
diff --git a/src/fsfw/pus/Service17Test.cpp b/src/fsfw/pus/Service17Test.cpp
index bea2eeb8..35fc7c9d 100644
--- a/src/fsfw/pus/Service17Test.cpp
+++ b/src/fsfw/pus/Service17Test.cpp
@@ -1,5 +1,7 @@
 #include "fsfw/pus/Service17Test.h"
 
+#include <fsfw/serialize/SerializeElement.h>
+
 #include "fsfw/FSFW.h"
 #include "fsfw/objectmanager/ObjectManager.h"
 #include "fsfw/objectmanager/SystemObject.h"
@@ -31,6 +33,15 @@ ReturnValue_t Service17Test::handleRequest(uint8_t subservice) {
       }
       return tmHelper.storeAndSendTmPacket();
     }
+    case Subservice::PING_WITH_DATA: {
+      SerializeElement<uint32_t> receivedDataLen = currentPacket.getUserDataLen();
+      ReturnValue_t result =
+          tmHelper.prepareTmPacket(Subservice::PING_WITH_DATA_REPORT_WITH_SIZE, receivedDataLen);
+      if (result != returnvalue::OK) {
+        return result;
+      }
+      return tmHelper.storeAndSendTmPacket();
+    }
     default:
       return AcceptsTelecommandsIF::INVALID_SUBSERVICE;
   }
diff --git a/src/fsfw/pus/Service17Test.h b/src/fsfw/pus/Service17Test.h
index f2ec6e4f..d3b6a6dc 100644
--- a/src/fsfw/pus/Service17Test.h
+++ b/src/fsfw/pus/Service17Test.h
@@ -32,6 +32,9 @@ class Service17Test : public PusServiceBase {
     CONNECTION_TEST_REPORT = 2,
     //!  [EXPORT] : [COMMAND] Trigger test reply and test event
     EVENT_TRIGGER_TEST = 128,
+    PING_WITH_DATA = 129,
+    //! [EXPORT] : [COMMAND] Report which reports the sent user data size
+    PING_WITH_DATA_REPORT_WITH_SIZE = 130
   };
 
   explicit Service17Test(PsbParams params);