diff --git a/pyren/mod_ecu_mnemonic.py b/pyren/mod_ecu_mnemonic.py
index 7757644..225b4bf 100755
--- a/pyren/mod_ecu_mnemonic.py
+++ b/pyren/mod_ecu_mnemonic.py
@@ -71,6 +71,13 @@ def get_SnapShotMnemonic(m, se, elm, dataids):
     if len(se[sid].params) > 1:
       if se[sid].params[1]['type'] == 'Snapshot':
         snapshotService = se[sid]
+        break
+    elif se[sid].startReq.startswith("1904"):
+      snapshotService = se[sid]
+      break
+
+  if not snapshotService:
+    return "00"
   
   resp = executeService( snapshotService, elm, [], "", True )
   if ((mod_globals.opt_demo and not resp) or not resp.startswith(snapshotService.simpleRsp) or len(resp)/2 == 6):