diff --git a/common/config/commonSubsystemIds.h b/common/config/commonSubsystemIds.h
index 0e64e634..77a3a810 100644
--- a/common/config/commonSubsystemIds.h
+++ b/common/config/commonSubsystemIds.h
@@ -22,6 +22,7 @@ enum: uint8_t {
 	PL_PCDU_HANDLER = 121,
 	ACS_BOARD_ASS = 122,
 	SUS_BOARD_ASS = 123,
+	TCS_BOARD_ASS = 124,
 	COMMON_SUBSYSTEM_ID_END
 };
 }
diff --git a/mission/system/TcsBoardAssembly.cpp b/mission/system/TcsBoardAssembly.cpp
index 8a1218f9..f011c931 100644
--- a/mission/system/TcsBoardAssembly.cpp
+++ b/mission/system/TcsBoardAssembly.cpp
@@ -64,9 +64,9 @@ ReturnValue_t TcsBoardAssembly::checkChildrenStateOn(Mode_t wantedMode, Submode_
   } catch (const std::out_of_range& e) {
     sif::error << "TcsBoardAssembly: Invalid children map: " << e.what() << std::endl;
   }
-  if (devsInWrongMode == 16) {
+  if (devsInWrongMode >= 3) {
     if (warningSwitch) {
-      sif::warning << "TcsBoardAssembly::checkChildrenStateOn: All devices in"
+      sif::warning << "TcsBoardAssembly::checkChildrenStateOn: " << devsInWrongMode << " devices in"
                    << " wrong mode" << std::endl;
       warningSwitch = false;
     }
@@ -191,7 +191,8 @@ void TcsBoardAssembly::handleModeReached() {
 }
 
 void TcsBoardAssembly::handleChildrenLostMode(ReturnValue_t result) {
-  // TODO: Maybe trigger event
+  // TODO: Maybe try a reboot once here?
+  triggerEvent(CHILDREN_LOST_MODE, result);
   return;
 }
 
diff --git a/mission/system/TcsBoardAssembly.h b/mission/system/TcsBoardAssembly.h
index 19fa429b..cda78317 100644
--- a/mission/system/TcsBoardAssembly.h
+++ b/mission/system/TcsBoardAssembly.h
@@ -13,6 +13,10 @@ struct TcsBoardHelper {
 
 class TcsBoardAssembly : public AssemblyBase, public ConfirmsFailuresIF {
  public:
+  static constexpr uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::TCS_BOARD_ASS;
+  static constexpr Event CHILDREN_LOST_MODE =
+      event::makeEvent(SUBSYSTEM_ID, 0, severity::MEDIUM);
+
   TcsBoardAssembly(object_id_t objectId, object_id_t parentId, PowerSwitchIF* pwrSwitcher,
                    power::Switch_t switcher, TcsBoardHelper helper);
 
@@ -46,6 +50,9 @@ class TcsBoardAssembly : public AssemblyBase, public ConfirmsFailuresIF {
   ReturnValue_t isModeCombinationValid(Mode_t mode, Submode_t submode) override;
   void startTransition(Mode_t mode, Submode_t submode) override;
   void handleModeReached() override;
+
+  // These two overrides prevent a transition of the whole assembly back to off just because
+  // some devices are not working
   void handleChildrenLostMode(ReturnValue_t result) override;
   void handleModeTransitionFailed(ReturnValue_t result) override;
 };