diff --git a/fsfw b/fsfw
index 2c5af91d..e9d9f446 160000
--- a/fsfw
+++ b/fsfw
@@ -1 +1 @@
-Subproject commit 2c5af91db170ffd19f5cc6726642593fa9e3a059
+Subproject commit e9d9f446053699a91d89250910cc0d59d05fbe6b
diff --git a/mission/devices/ImtqHandler.cpp b/mission/devices/ImtqHandler.cpp
index 30fd02e9..46a2c53a 100644
--- a/mission/devices/ImtqHandler.cpp
+++ b/mission/devices/ImtqHandler.cpp
@@ -156,6 +156,12 @@ void ImtqHandler::doShutDown() {
   firstReplyCycle = true;
   internalState = InternalState::NONE;
   commandExecuted = false;
+  statusSet.setValidity(false, true);
+  rawMtmNoTorque.setValidity(false, true);
+  rawMtmWithTorque.setValidity(false, true);
+  hkDatasetNoTorque.setValidity(false, true);
+  hkDatasetWithTorque.setValidity(false, true);
+  calMtmMeasurementSet.setValidity(false, true);
   setMode(_MODE_POWER_DOWN);
 }
 
@@ -299,7 +305,7 @@ void ImtqHandler::fillCommandAndReplyMap() {
 
 ReturnValue_t ImtqHandler::scanForReply(const uint8_t* start, size_t remainingSize,
                                         DeviceCommandId_t* foundId, size_t* foundLen) {
-  if (getMode() == _MODE_WAIT_OFF or getMode() == _MODE_WAIT_ON) {
+  if (getMode() == _MODE_WAIT_OFF or getMode() == _MODE_WAIT_ON or getMode() == _MODE_POWER_DOWN) {
     return IGNORE_FULL_PACKET;
   }
   if (remainingSize > 0) {
diff --git a/mission/system/objects/ImtqAssembly.cpp b/mission/system/objects/ImtqAssembly.cpp
index a853d45c..de4e9b45 100644
--- a/mission/system/objects/ImtqAssembly.cpp
+++ b/mission/system/objects/ImtqAssembly.cpp
@@ -9,7 +9,6 @@ ImtqAssembly::ImtqAssembly(object_id_t objectId) : AssemblyBase(objectId) {
   entry.setObject(objects::IMTQ_HANDLER);
   entry.setMode(MODE_OFF);
   entry.setSubmode(SUBMODE_NONE);
-  entry.setInheritSubmode(false);
   commandTable.insert(entry);
 }
 
@@ -42,12 +41,16 @@ ReturnValue_t ImtqAssembly::isModeCombinationValid(Mode_t mode, Submode_t submod
 }
 
 ReturnValue_t ImtqAssembly::checkAndHandleHealthState(Mode_t deviceMode, Submode_t deviceSubmode) {
-  HealthState health = healthHelper.healthTable->getHealth(objects::SYRLINKS_HANDLER);
+  HealthState health = healthHelper.healthTable->getHealth(objects::IMTQ_HANDLER);
   if (health == FAULTY or health == PERMANENT_FAULTY) {
-    overwriteDeviceHealth(objects::SYRLINKS_HANDLER, health);
+    overwriteDeviceHealth(objects::IMTQ_HANDLER, health);
     return NEED_TO_CHANGE_HEALTH;
   } else if (health == EXTERNAL_CONTROL) {
     modeHelper.setForced(true);
   }
   return OK;
 }
+
+void ImtqAssembly::handleChildrenLostMode(ReturnValue_t result) {
+  startTransition(mode, submode);
+}
diff --git a/mission/system/objects/ImtqAssembly.h b/mission/system/objects/ImtqAssembly.h
index d092042e..59061701 100644
--- a/mission/system/objects/ImtqAssembly.h
+++ b/mission/system/objects/ImtqAssembly.h
@@ -12,6 +12,7 @@ class ImtqAssembly : public AssemblyBase {
   ReturnValue_t commandChildren(Mode_t mode, Submode_t submode) override;
   ReturnValue_t checkChildrenStateOn(Mode_t wantedMode, Submode_t wantedSubmode) override;
   ReturnValue_t isModeCombinationValid(Mode_t mode, Submode_t submode) override;
+  void handleChildrenLostMode(ReturnValue_t result) override;
 
   ReturnValue_t checkAndHandleHealthState(Mode_t deviceMode, Submode_t deviceSubmode);
 };
diff --git a/tmtc b/tmtc
index f18a7f49..208d3286 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit f18a7f49cfbf80f8d3f6b18b8452df301c07d852
+Subproject commit 208d328683a9911ecaa1d60abd3b8a9e3a841c37