diff --git a/bsp_hosted/ObjectFactory.cpp b/bsp_hosted/ObjectFactory.cpp
index c384c7ad..10c9e46d 100644
--- a/bsp_hosted/ObjectFactory.cpp
+++ b/bsp_hosted/ObjectFactory.cpp
@@ -95,13 +95,13 @@ void ObjectFactory::produce(void* args) {
 #if OBSW_ADD_PLOC_SUPERVISOR == 1
   std::string plocSupvString = "/dev/ploc_supv";
   auto supervisorCookie =
-      new UartCookie(objects::PLOC_SUPERVISOR_HANDLER, plocSupvString, uart::PLOC_SUPV_BAUD,
-                     supv::MAX_PACKET_SIZE * 20, UartModes::NON_CANONICAL);
+      new SerialCookie(objects::PLOC_SUPERVISOR_HANDLER, plocSupvString, uart::PLOC_SUPV_BAUD,
+                       supv::MAX_PACKET_SIZE * 20, UartModes::NON_CANONICAL);
   supervisorCookie->setNoFixedSizeReply();
   auto supvHelper = new PlocSupvUartManager(objects::PLOC_SUPERVISOR_HELPER);
   new PlocSupervisorHandler(objects::PLOC_SUPERVISOR_HANDLER, objects::PLOC_SUPERVISOR_HELPER,
                             supervisorCookie, Gpio(gpioIds::ENABLE_SUPV_UART, dummyGpioIF),
-                            pcdu::PDU1_CH6_PLOC_12V, supvHelper);
+                            pcdu::PDU1_CH6_PLOC_12V, *supvHelper);
 #endif /* OBSW_ADD_PLOC_SUPERVISOR == 1 */
 #endif
 
diff --git a/linux/devices/ploc/PlocSupervisorHandler.cpp b/linux/devices/ploc/PlocSupervisorHandler.cpp
index 9e9653ed..f2a7c5fe 100644
--- a/linux/devices/ploc/PlocSupervisorHandler.cpp
+++ b/linux/devices/ploc/PlocSupervisorHandler.cpp
@@ -20,7 +20,7 @@ using namespace returnvalue;
 PlocSupervisorHandler::PlocSupervisorHandler(object_id_t objectId, object_id_t uartComIFid,
                                              CookieIF* comCookie, Gpio uartIsolatorSwitch,
                                              power::Switch_t powerSwitch,
-                                             PlocSupvUartManager* supvHelper)
+                                             PlocSupvUartManager& supvHelper)
     : DeviceHandlerBase(objectId, uartComIFid, comCookie),
       uartIsolatorSwitch(uartIsolatorSwitch),
       hkset(this),
@@ -33,9 +33,6 @@ PlocSupervisorHandler::PlocSupervisorHandler(object_id_t objectId, object_id_t u
   if (comCookie == nullptr) {
     sif::error << "PlocSupervisorHandler: Invalid com cookie" << std::endl;
   }
-  if (supvHelper == nullptr) {
-    sif::error << "PlocSupervisorHandler: Invalid PlocSupvHelper object" << std::endl;
-  }
   spParams.buf = commandBuffer;
   spParams.maxSize = sizeof(commandBuffer);
   eventQueue = QueueFactory::instance()->createMessageQueue(EventMessage::EVENT_MESSAGE_SIZE * 5);
@@ -52,10 +49,6 @@ ReturnValue_t PlocSupervisorHandler::initialize() {
 #ifdef XIPHOS_Q7S
   sdcMan = SdCardManager::instance();
 #endif /* TE0720_1CFA */
-  if (supvHelper == nullptr) {
-    sif::warning << "PlocSupervisorHandler::initialize: Invalid supervisor helper" << std::endl;
-    return ObjectManagerIF::CHILD_INIT_FAILED;
-  }
 
   result = eventSubscription();
   if (result != returnvalue::OK) {
@@ -87,10 +80,6 @@ ReturnValue_t PlocSupervisorHandler::executeAction(ActionId_t actionId,
   ReturnValue_t result = returnvalue::OK;
 
   switch (actionId) {
-    case TERMINATE_SUPV_HELPER: {
-      supvHelper->stop();
-      return EXECUTION_FINISHED;
-    }
     default:
       break;
   }
@@ -114,7 +103,7 @@ ReturnValue_t PlocSupervisorHandler::executeAction(ActionId_t actionId,
       if (result != returnvalue::OK) {
         return result;
       }
-      result = supvHelper->performUpdate(params);
+      result = supvHelper.performUpdate(params);
       if (result != returnvalue::OK) {
         return result;
       }
@@ -122,7 +111,7 @@ ReturnValue_t PlocSupervisorHandler::executeAction(ActionId_t actionId,
       return EXECUTION_FINISHED;
     }
     case CONTINUE_UPDATE: {
-      supvHelper->initiateUpdateContinuation();
+      supvHelper.initiateUpdateContinuation();
       plocSupvHelperExecuting = true;
       return EXECUTION_FINISHED;
     }
@@ -135,7 +124,7 @@ ReturnValue_t PlocSupervisorHandler::executeAction(ActionId_t actionId,
       if (not std::filesystem::exists(params.file)) {
         return HasFileSystemIF::FILE_DOES_NOT_EXIST;
       }
-      supvHelper->performMemCheck(params.file, params.memId, params.startAddr);
+      supvHelper.performMemCheck(params.file, params.memId, params.startAddr);
       plocSupvHelperExecuting = true;
       return EXECUTION_FINISHED;
     }
@@ -150,6 +139,7 @@ void PlocSupervisorHandler::doStartUp() {
     switch (startupState) {
       case StartupState::OFF: {
         bootTimeout.resetTimer();
+        supvHelper.start();
         startupState = StartupState::BOOTING;
         break;
       }
@@ -177,6 +167,7 @@ void PlocSupervisorHandler::doStartUp() {
 
 void PlocSupervisorHandler::doShutDown() {
   setMode(_MODE_POWER_DOWN);
+  supvHelper.stop();
   uartIsolatorSwitch.pullLow();
   startupState = StartupState::OFF;
 }
diff --git a/linux/devices/ploc/PlocSupervisorHandler.h b/linux/devices/ploc/PlocSupervisorHandler.h
index a152349c..c5034c03 100644
--- a/linux/devices/ploc/PlocSupervisorHandler.h
+++ b/linux/devices/ploc/PlocSupervisorHandler.h
@@ -34,7 +34,7 @@ class PlocSupervisorHandler : public DeviceHandlerBase {
  public:
   PlocSupervisorHandler(object_id_t objectId, object_id_t uartComIFid, CookieIF* comCookie,
                         Gpio uartIsolatorSwitch, power::Switch_t powerSwitch,
-                        PlocSupvUartManager* supvHelper);
+                        PlocSupvUartManager& supvHelper);
   virtual ~PlocSupervisorHandler();
 
   virtual ReturnValue_t initialize() override;
@@ -130,7 +130,7 @@ class PlocSupervisorHandler : public DeviceHandlerBase {
   const power::Switch_t powerSwitch = power::NO_SWITCH;
   supv::TmBase tmReader;
 
-  PlocSupvUartManager* supvHelper = nullptr;
+  PlocSupvUartManager& supvHelper;
   MessageQueueIF* eventQueue = nullptr;
 
   /** Number of expected replies following the MRAM dump command */
diff --git a/linux/devices/ploc/PlocSupvUartMan.cpp b/linux/devices/ploc/PlocSupvUartMan.cpp
index f17033a7..cdf74027 100644
--- a/linux/devices/ploc/PlocSupvUartMan.cpp
+++ b/linux/devices/ploc/PlocSupvUartMan.cpp
@@ -94,6 +94,9 @@ ReturnValue_t PlocSupvUartManager::initialize() {
 ReturnValue_t PlocSupvUartManager::performOperation(uint8_t operationCode) {
   bool putTaskToSleep = false;
   while (true) {
+    lock->lockMutex();
+    state = InternalState::SLEEPING;
+    lock->unlockMutex();
     semaphore->acquire();
     while (true) {
       putTaskToSleep = handleUartReception();
@@ -289,6 +292,14 @@ void PlocSupvUartManager::stop() {
   state = InternalState::GO_TO_SLEEP;
 }
 
+void PlocSupvUartManager::start() {
+  MutexGuard mg(lock);
+  if (state == InternalState::SLEEPING or state == InternalState::GO_TO_SLEEP) {
+    return;
+  }
+  semaphore->release();
+}
+
 void PlocSupvUartManager::executeFullCheckMemoryCommand() {
   ReturnValue_t result;
   if (update.crcShouldBeChecked) {
diff --git a/linux/devices/ploc/PlocSupvUartMan.h b/linux/devices/ploc/PlocSupvUartMan.h
index fcf49949..da8bb176 100644
--- a/linux/devices/ploc/PlocSupvUartMan.h
+++ b/linux/devices/ploc/PlocSupvUartMan.h
@@ -148,10 +148,15 @@ class PlocSupvUartManager : public DeviceCommunicationIF,
   // ReturnValue_t startEventBufferRequest(std::string path);
 
   /**
-   * @brief   Can be used to interrupt a running data transfer.
+   * @brief   Can be used to stop the UART reception and put the task to sleep
    */
   void stop();
 
+  /**
+   * @brief Can be used to start the UART reception
+   */
+  void start();
+
   static uint32_t buildProgParams1(uint8_t percent, uint16_t seqCount);
   static uint32_t buildApidServiceParam1(uint8_t apid, uint8_t serviceId);