diff --git a/telephony/java/android/telephony/DataFailCause.java b/telephony/java/android/telephony/DataFailCause.java
index fa6de1ad2864e..ac1f376cf6b54 100644
--- a/telephony/java/android/telephony/DataFailCause.java
+++ b/telephony/java/android/telephony/DataFailCause.java
@@ -1673,4 +1673,9 @@ public final class DataFailCause {
             return UNKNOWN;
         }
     }
+
+    /** @hide */
+    public static boolean isFailCauseExisting(@DataFailureCause int failCause) {
+        return sFailCauseMap.containsKey(failCause);
+    }
 }