diff --git a/pyghmi/ipmi/oem/lenovo/imm.py b/pyghmi/ipmi/oem/lenovo/imm.py
index e9018bf6..43af277c 100644
--- a/pyghmi/ipmi/oem/lenovo/imm.py
+++ b/pyghmi/ipmi/oem/lenovo/imm.py
@@ -740,16 +740,16 @@ class XCCClient(IMMClient):
         return {'height': int(dsc['u-height']), 'slot': int(dsc['slot'])}
 
     def clear_system_configuration(self):
-        res = self.wc.grab_json_response(
+        res = self.wc.grab_json_response_with_status(
                 '/redfish/v1/Systems/1/Bios/Actions/Bios.ResetBios',
                 {'Action': 'Bios.ResetBios'},
                 headers={'Authorization': 'Basic ' + base64.b64encode(
                     self.username + ':' + self.password),
                          'Content-Type': 'application/json'})
-        if not res:
+        if res[1] < 200 or res[1] >= 300:
             raise Exception(
                 'Unexpected response to clear configuration: {0}'.format(
-                    self.wc.lastjsonerror))
+                    res[0]))
 
     def get_webclient(self, login=True):
         cv = self.ipmicmd.certverify
diff --git a/pyghmi/util/webclient.py b/pyghmi/util/webclient.py
index a1893a81..a6c32a35 100644
--- a/pyghmi/util/webclient.py
+++ b/pyghmi/util/webclient.py
@@ -162,6 +162,13 @@ class SecureHTTPConnection(httplib.HTTPConnection, object):
 
     def grab_json_response(self, url, data=None, referer=None, headers=None):
         self.lastjsonerror = None
+        body, status = self.grab_json_response_with_status(self, url, data, referer, headers)
+        if status == 200:
+            return body
+        self.lastjsonerror = body
+        return {}
+
+    def grab_json_response_with_status(self, url, data=None, referer=None, headers=None):
         webclient = self.dupe()
         if isinstance(data, dict):
             data = json.dumps(data)
@@ -171,10 +178,10 @@ class SecureHTTPConnection(httplib.HTTPConnection, object):
         else:
             webclient.request('GET', url, referer=referer, headers=headers)
         rsp = webclient.getresponse()
-        if rsp.status == 200:
-            return json.loads(rsp.read())
-        self.lastjsonerror = rsp.read()
-        return {}
+        body = rsp.read()
+        if rsp.status >= 200 and rsp.status < 300:
+            return json.loads(body) if body else {}, rsp.status
+        return body, rsp.status
 
     def download(self, url, file):
         """Download a file to filename or file object