diff --git a/src/java/com/android/internal/telephony/data/DataNetwork.java b/src/java/com/android/internal/telephony/data/DataNetwork.java
index 1caae29..8581759 100644
--- a/src/java/com/android/internal/telephony/data/DataNetwork.java
+++ b/src/java/com/android/internal/telephony/data/DataNetwork.java
@@ -3242,14 +3242,14 @@
 
     /**
      * @return The PCO data map of the network. The key is the PCO id, the value is the PCO data.
-     * An empty map if PCO data is not available.
+     * An empty map if PCO data is not available (or when the network is on IWLAN).
      */
     public @NonNull Map<Integer, PcoData> getPcoData() {
         if (mTransport == AccessNetworkConstants.TRANSPORT_TYPE_WLAN
                 || mCid.get(mTransport) == INVALID_CID) {
             return Collections.emptyMap();
         }
-        return mPcoData.get(mCid.get(mTransport));
+        return mPcoData.getOrDefault(mCid.get(mTransport), Collections.emptyMap());
     }
 
     /**
diff --git a/tests/telephonytests/src/com/android/internal/telephony/data/DataNetworkControllerTest.java b/tests/telephonytests/src/com/android/internal/telephony/data/DataNetworkControllerTest.java
index 88bd722..0fc6c3c 100644
--- a/tests/telephonytests/src/com/android/internal/telephony/data/DataNetworkControllerTest.java
+++ b/tests/telephonytests/src/com/android/internal/telephony/data/DataNetworkControllerTest.java
@@ -2402,6 +2402,20 @@
     }
 
     @Test
+    public void testNrAdvancedByPcoMultipleNetworks() throws Exception {
+        testSetupDataNetwork();
+        setSuccessfulSetupDataResponse(mMockedDataServiceManagers
+                .get(AccessNetworkConstants.TRANSPORT_TYPE_WWAN), 2);
+        testSetupImsDataNetwork();
+
+        verify(mMockedDataNetworkControllerCallback, never())
+                .onNrAdvancedCapableByPcoChanged(anyBoolean());
+        mSimulatedCommands.triggerPcoData(2, "IPV6", 1234, new byte[]{1});
+        processAllMessages();
+        verify(mMockedDataNetworkControllerCallback).onNrAdvancedCapableByPcoChanged(eq(true));
+    }
+
+    @Test
     public void testNrAdvancedByEarlyUnrelatedPco() {
         Mockito.reset(mMockedWwanDataServiceManager);
         mDataNetworkControllerUT.addNetworkRequest(