diff --git a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
index c395df6..15a8acc 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
@@ -96,6 +96,56 @@
 }
 
 /*
+ * Test IRadio.getPreferredNetworkTypeBitmap() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_4, getPreferredNetworkTypeBitmap) {
+    serial = GetRandomSerialNumber();
+
+    Return<void> res = radio_v1_4->getPreferredNetworkTypeBitmap(serial);
+
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
+    ALOGI("getPreferredNetworkTypeBitmap, rspInfo.error = %s\n",
+          toString(radioRsp_v1_4->rspInfo.error).c_str());
+    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+}
+
+TEST_F(RadioHidlTest_v1_4, setPreferredNetworkTypeBitmap) {
+    serial = GetRandomSerialNumber();
+    ::android::hardware::hidl_bitfield<::android::hardware::radio::V1_4::RadioAccessFamily>
+            network_type_bitmap{};
+
+    network_type_bitmap |= ::android::hardware::radio::V1_4::RadioAccessFamily::LTE;
+
+    Return<void> res = radio_v1_4->setPreferredNetworkTypeBitmap(serial, network_type_bitmap);
+
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
+    ALOGI("setPreferredNetworkTypeBitmap, rspInfo.error = %s\n",
+          toString(radioRsp_v1_4->rspInfo.error).c_str());
+    EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+    if (radioRsp_v1_4->rspInfo.error == RadioError::NONE) {
+         // give some time for modem to set the value.
+        sleep(3);
+        serial = GetRandomSerialNumber();
+        Return<void> res = radio_v1_4->getPreferredNetworkTypeBitmap(serial);
+
+        ASSERT_OK(res);
+        EXPECT_EQ(std::cv_status::no_timeout, wait());
+        EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_4->rspInfo.type);
+        EXPECT_EQ(serial, radioRsp_v1_4->rspInfo.serial);
+        ALOGI("getPreferredNetworkTypeBitmap, rspInfo.error = %s\n",
+              toString(radioRsp_v1_4->rspInfo.error).c_str());
+        EXPECT_EQ(RadioError::NONE, radioRsp_v1_4->rspInfo.error);
+        EXPECT_EQ(network_type_bitmap, radioRsp_v1_4->networkTypeBitmapResponse);
+    }
+}
+
+/*
  * Test IRadio.startNetworkScan() for the response returned.
  */
 TEST_F(RadioHidlTest_v1_4, startNetworkScan) {
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
index b77814f..ed689c6 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
+++ b/radio/1.4/vts/functional/radio_hidl_hal_utils_v1_4.h
@@ -61,6 +61,9 @@
     bool isModemEnabled;
     bool enableModemResponseToggle;
 
+    ::android::hardware::hidl_bitfield<::android::hardware::radio::V1_4::RadioAccessFamily>
+    networkTypeBitmapResponse;
+
     // Data
     ::android::hardware::radio::V1_4::DataRegStateResult dataRegResp;
 
diff --git a/radio/1.4/vts/functional/radio_response.cpp b/radio/1.4/vts/functional/radio_response.cpp
index 10ecead..6e9cd43 100644
--- a/radio/1.4/vts/functional/radio_response.cpp
+++ b/radio/1.4/vts/functional/radio_response.cpp
@@ -776,7 +776,6 @@
 
 Return<void> RadioResponse_v1_4::enableModemResponse(const RadioResponseInfo& info) {
     rspInfo = info;
-    enableModemResponseToggle = !enableModemResponseToggle;
     parent_v1_4.notify(info.serial);
     return Void();
 }
@@ -832,9 +831,9 @@
 Return<void> RadioResponse_v1_4::getPreferredNetworkTypeBitmapResponse(
         const RadioResponseInfo& info, const ::android::hardware::hidl_bitfield<
                                                ::android::hardware::radio::V1_4::RadioAccessFamily>
-        /*networkTypeBitmap*/) {
+                                               networkTypeBitmap) {
     rspInfo = info;
-    // TODO: may need a new member for bitfield networkTypeBitmap.
+    networkTypeBitmapResponse = networkTypeBitmap;
     parent_v1_4.notify(info.serial);
     return Void();
 }