diff --git a/hems/semp/semp.go b/hems/semp/semp.go
index 9f43ae655..1632d0153 100644
--- a/hems/semp/semp.go
+++ b/hems/semp/semp.go
@@ -366,9 +366,14 @@ func (s *SEMP) deviceStatus(id int, lp core.LoadPointAPI) DeviceStatus {
 		}
 	}
 
+	var hasVehicle bool
+	if hasVehicleP, err := s.cache.GetChecked(id, "hasVehicle"); err == nil {
+		hasVehicle = hasVehicleP.Val.(bool)
+	}
+
 	res := DeviceStatus{
 		DeviceID:          s.deviceID(id),
-		EMSignalsAccepted: s.controllable && isPV,
+		EMSignalsAccepted: s.controllable && isPV && hasVehicle,
 		PowerInfo: PowerInfo{
 			AveragePower:      int(chargePower),
 			AveragingInterval: 60,
@@ -433,7 +438,7 @@ func (s *SEMP) planningRequest(id int, lp core.LoadPointAPI) (res PlanningReques
 	if mode == api.ModeNow {
 		minPowerConsumption = maxPowerConsumption
 	}
-	
+
 	if connected && maxEnergy > 0 {
 		res = PlanningRequest{
 			Timeframe: []Timeframe{{