diff --git a/pyren/mod_elm.py b/pyren/mod_elm.py
index 5b09f79..4786ef8 100755
--- a/pyren/mod_elm.py
+++ b/pyren/mod_elm.py
@@ -1826,7 +1826,8 @@ class ELM:
         self.startSession = ""
         self.lastCMDtime = 0
         self.lastinitrsp = ""
-        
+        self.notSupportedCommands = {}
+
         if self.lf != 0:
             tmstr = datetime.now ().strftime ("%x %H:%M:%S.%f")[:-3]
             self.lf.write ('#' * 60 + "\n#[" + tmstr + "] Init ISO\n" + '#' * 60 + "\n")
@@ -1838,6 +1839,8 @@ class ELM:
     
     def set_iso_addr(self, addr, ecu):
         
+        self.notSupportedCommands = {}
+
         if self.currentprotocol == "iso" and self.currentaddress == addr and self.currentsubprotocol == ecu['protocol']:
             return
 
diff --git a/pyren/mod_scan_ecus.py b/pyren/mod_scan_ecus.py
index 3264e83..c5d35c6 100755
--- a/pyren/mod_scan_ecus.py
+++ b/pyren/mod_scan_ecus.py
@@ -224,7 +224,7 @@ class ScanEcus:
     self.elm.close_protocol()
 
     #scan KWP ecud
-    if mod_globals.opt_can2:
+    if not mod_globals.opt_can2:
       self.elm.init_iso()
       for row in sorted(self.detectedEcus, key=lambda k: int(k['idf'])):
         if (row['pin']=='iso' and 
@@ -702,8 +702,7 @@ class ScanEcus:
     rerrPositive = ""
     if "ERROR" not in rsp and "ERROR" not in self.elm.lastinitrsp.upper():
       self.elm.start_session(row['startDiagReq']) 	#open session    
-      #if len(row['startDiagReq'])>0:
-      #  self.elm.cmd(row['startDiagReq']) 	#open session
+
       rrsp = self.elm.cmd(row['ids'][0])	#get identification data
 
       self.elm.cmd("at st fa")              #set timeout to 1 second
@@ -741,7 +740,7 @@ class ScanEcus:
     rerr = res
     
     return rrsp,rerr
-    
+
   def scan_can( self, row ):
     
     rrsp = ''
@@ -795,11 +794,10 @@ class ScanEcus:
   def scan_iso( self, row ):
 
     rrsp = ''
-    rerr = ''
     rerr = '0'
 
     if self.elm.lf!=0:
-      self.elm.lf.write("#check: "+row['ecuname']+" Addr:"+row['dst']+" Protocol:"+row['protocol']+"\n")
+      self.elm.lf.write("#check: "+row['ecuname']+" Addr:"+row['dst']+" Protocol:"+row['protocol']+" ids:" + row['ids'][0] + "\n")
       self.elm.lf.flush()    
 
     for r in self.reqres: