DTC-Severity was not correctly set on new DTCs

Software/src/dtc.cpp

@@ -39,6 +39,7 @@ void MaintainDTC(DTCNums_t DTC_no, DTCSeverity_t DTC_severity, boolean active, u
                 DTCStorage[i].timestamp = millis();
                 DTCStorage[i].active = DTC_ACTIVE;
                 DTCStorage[i].debugVal = DebugValue;
+                DTCStorage[i].severity = DTC_severity;
                 return;
             }
         }