diff --git a/firmware/controllers/algo/engine.h b/firmware/controllers/algo/engine.h
index dabc4526be..a5c3371399 100644
--- a/firmware/controllers/algo/engine.h
+++ b/firmware/controllers/algo/engine.h
@@ -49,6 +49,11 @@ class RpmCalculator;
 
 class IEtbController;
 
+class TCU {
+public:
+	gear_e currentGear = NEUTRAL;
+};
+
 class Engine : public TriggerStateListener {
 public:
 	explicit Engine(persistent_config_s *config);
@@ -58,6 +63,8 @@ public:
 
 	cyclic_buffer<int> triggerErrorDetection;
 
+	TCU tcu;
+
 #if EFI_SHAFT_POSITION_INPUT
 	void OnTriggerStateDecodingError();
 	void OnTriggerStateProperState(efitick_t nowNt) override;