diff --git a/Software/ChainLube/data/index.htm b/Software/ChainLube/data/index.htm
index a93ddf9..6c3f68b 100644
--- a/Software/ChainLube/data/index.htm
+++ b/Software/ChainLube/data/index.htm
@@ -106,12 +106,12 @@
             </div>
           </div>
         </form>
-        <div class="alert alert-warning col-xs-offset-5 col-xs-7">
+        </p>
+        <div class="alert alert-warning">
           <strong>Achtung!</strong><br>
-          Bei Änderung der Wegstrecken-Quelle wird der CAN-Oiler neu gestartet.<br>
+          Bei Änderung der Wegstrecken-Quelle wird der CAN-Oiler neu gestartet.
           Dadurch wird die WiFi-Verbindung getrennt und muss neu aufgebaut werden.
         </div>
-        </p>
         <!-- Div Source:Impulse Settings-->
         <div %SHOW_IMPULSE_SETTINGS%>
           <h4>Einstellungen Impuls</h4>
diff --git a/Software/ChainLube/src/dtc.h b/Software/ChainLube/src/dtc.h
index 2c5d1f7..f0627d3 100644
--- a/Software/ChainLube/src/dtc.h
+++ b/Software/ChainLube/src/dtc.h
@@ -7,7 +7,7 @@
 
 typedef enum DTCNums_e
 {
-  DTC_NO_GPS_SERIAL,
+  DTC_NO_GPS_SERIAL = 1,
   DTC_TANK_EMPTY,
   DTC_NO_EEPROM_FOUND,
   DTC_EEPROM_CFG_BAD,
@@ -19,9 +19,9 @@ typedef enum DTCNums_e
 
 typedef enum DTCActive_e
 {
+  DTC_NONE,
   DTC_ACTIVE,
-  DTC_PREVIOUS,
-  DTC_NONE
+  DTC_PREVIOUS
 } DTCActive_t;
 
 typedef struct DTCEntry_s
diff --git a/Software/ChainLube/src/main.cpp b/Software/ChainLube/src/main.cpp
index 4c9b532..db74709 100644
--- a/Software/ChainLube/src/main.cpp
+++ b/Software/ChainLube/src/main.cpp
@@ -67,6 +67,7 @@ void RemoteDebug_printWifiInfo();
 void RemoteDebug_CheckEEPOM();
 void RemoteDebug_dumpConfig();
 void RemoteDebug_dumpPersistance();
+void RemoteDebug_ShowDTCs();
 #endif
 
 #ifdef WIFI_CLIENT
@@ -265,6 +266,8 @@ void processCmdRemoteDebug()
     RemoteDebug_dumpPersistance();
   else if (lastCmd == "saveEE")
     StoreConfig_EEPROM();
+   else if (lastCmd == "showdtc")
+    RemoteDebug_ShowDTCs();
 }
 
 void RemoteDebug_formatCFG()
@@ -721,4 +724,32 @@ uint32_t Process_Impulse_WheelSpeed()
   wheel_pulse = 0;
 
   return add_milimeters;
+}
+
+void RemoteDebug_ShowDTCs()
+{
+  char buff_timestamp[16]; // Format: DD-hh:mm:ss:xxx
+  char buff_active[9];
+
+  for (uint32_t i = 0; i < MAX_DTC_STORAGE; i++)
+  {
+    if (DTCStorage[i].Number < DTC_LAST_DTC)
+    {
+      sprintf(buff_timestamp, "%02d-%02d:%02d:%02d:%03d",
+              DTCStorage[i].timestamp / 86400000,    // Days
+              DTCStorage[i].timestamp / 360000 % 24, // Hours
+              DTCStorage[i].timestamp / 60000 % 60,  // Minutes
+              DTCStorage[i].timestamp / 1000 % 60,   // Seconds
+              DTCStorage[i].timestamp % 1000);       // milliseconds
+
+      if (DTCStorage[i].active == DTC_ACTIVE)
+        strcpy(buff_active, "active");
+      else if (DTCStorage[i].active == DTC_PREVIOUS)
+        strcpy(buff_active, "previous");
+      else
+        strcpy(buff_active, "none");
+
+      debugA("%s \t %6d \t %s", buff_timestamp, DTCStorage[i].Number, buff_active);
+    }
+  }
 }
\ No newline at end of file
diff --git a/Software/ChainLube/src/rmtdbghelp.h b/Software/ChainLube/src/rmtdbghelp.h
index 2ae15d7..b02053c 100644
--- a/Software/ChainLube/src/rmtdbghelp.h
+++ b/Software/ChainLube/src/rmtdbghelp.h
@@ -8,4 +8,5 @@ const char helpCmd[] = "sysinfo     - System Info\r\n"
                        "resetPageEE - Reset the PersistenceData Page\r\n"
                        "dumpCFG     - print Config struct\r\n"
                        "dumpPDS     - print PersistanceStruct\r\n"
-                       "saveEE      - save EE-Data\r\n";
\ No newline at end of file
+                       "saveEE      - save EE-Data\r\n"
+                       "showdtc     - Show all DTCs\r\n";
\ No newline at end of file
diff --git a/Software/ChainLube/src/webui.cpp b/Software/ChainLube/src/webui.cpp
index 50373c5..6ca6025 100644
--- a/Software/ChainLube/src/webui.cpp
+++ b/Software/ChainLube/src/webui.cpp
@@ -95,7 +95,7 @@ String processor(const String &var)
 
     for (uint32_t i = 0; i < MAX_DTC_STORAGE; i++)
     {
-      if (DTCStorage[i].Number > 0)
+      if (DTCStorage[i].Number < DTC_LAST_DTC)
       {
         sprintf(buff_timestamp, "%02d-%02d:%02d:%02d:%03d",
                 DTCStorage[i].timestamp / 86400000,    // Days