diff --git a/healthMonitor.cpp b/healthMonitor.cpp
index c87e4f0..3523b79 100644
--- a/healthMonitor.cpp
+++ b/healthMonitor.cpp
@@ -322,9 +322,12 @@
         {
             CriticalInterface::criticalAlarmHigh(true);
             if (sensorConfig.criticalLog)
+            {
                 error(
                     "ASSERT: sensor {SENSOR} is above the upper threshold critical high",
                     "SENSOR", sensorConfig.name);
+                startUnit(sensorConfig.criticalTgt);
+            }
         }
         return;
     }
@@ -345,9 +348,12 @@
         {
             WarningInterface::warningAlarmHigh(true);
             if (sensorConfig.warningLog)
+            {
                 error(
                     "ASSERT: sensor {SENSOR} is above the upper threshold warning high",
                     "SENSOR", sensorConfig.name);
+                startUnit(sensorConfig.warningTgt);
+            }
         }
         return;
     }
@@ -404,6 +410,20 @@
     checkSensorThreshold(avgValue);
 }
 
+void HealthSensor::startUnit(const std::string& sysdUnit)
+{
+    if (sysdUnit.empty())
+    {
+        return;
+    }
+
+    sdbusplus::message::message msg = bus.new_method_call(
+        "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+        "org.freedesktop.systemd1.Manager", "StartUnit");
+    msg.append(sysdUnit, "replace");
+    bus.call_noreply(msg);
+}
+
 void HealthMon::recreateSensors()
 {
     PHOSPHOR_LOG2_USING;