diff --git a/core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala b/core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
index b9365f45a11a..17407f4ee21f 100644
--- a/core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
+++ b/core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala
@@ -1142,6 +1142,12 @@ final class ShuffleBlockFetcherIterator(
           s"diagnosis is skipped due to lack of shuffle checksum support for push-based shuffle."
         logWarning(diagnosisResponse)
         diagnosisResponse
+      case shuffleBlockBatch: ShuffleBlockBatchId =>
+          val diagnosisResponse = s"BlockBatch $shuffleBlockBatch is corrupted " +
+          s"but corruption diagnosis is skipped due to lack of shuffle checksum support for " +
+          s"ShuffleBlockBatchId"
+        logWarning(diagnosisResponse)
+        diagnosisResponse
       case unexpected: BlockId =>
         throw SparkException.internalError(
           s"Unexpected type of BlockId, $unexpected", category = "STORAGE")
diff --git a/core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala b/core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
index f2d5f27a66cc..a9902cb4ccb4 100644
--- a/core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
+++ b/core/src/test/scala/org/apache/spark/storage/ShuffleBlockFetcherIteratorSuite.scala
@@ -1941,4 +1941,31 @@ class ShuffleBlockFetcherIteratorSuite extends SparkFunSuite with PrivateMethodT
 
     assert(err2.getMessage.contains("corrupt at reset"))
   }
+
+  test("SPARK-43242: Fix throw 'Unexpected type of BlockId' in shuffle corruption diagnose") {
+    val remoteBmId = BlockManagerId("test-client-1", "test-client-1", 2)
+    val blocks = Map[BlockId, ManagedBuffer](
+      ShuffleBlockBatchId(0, 0, 0, 3) -> createMockManagedBuffer())
+    answerFetchBlocks { invocation =>
+      val listener = invocation.getArgument[BlockFetchingListener](4)
+      listener.onBlockFetchSuccess(ShuffleBlockBatchId(0, 0, 0, 3).toString, mockCorruptBuffer())
+    }
+
+    val logAppender = new LogAppender("diagnose corruption")
+    withLogAppender(logAppender) {
+      val iterator = createShuffleBlockIteratorWithDefaults(
+        Map(remoteBmId -> toBlockList(blocks.keys, 1L, 0)),
+        streamWrapperLimitSize = Some(100)
+      )
+      intercept[FetchFailedException](iterator.next())
+      verify(transfer, times(2))
+        .fetchBlocks(any(), any(), any(), any(), any(), any())
+      assert(logAppender.loggingEvents.count(
+        _.getMessage.getFormattedMessage.contains("Start corruption diagnosis")) === 1)
+      assert(logAppender.loggingEvents.exists(
+        _.getMessage.getFormattedMessage.contains("shuffle_0_0_0_3 is corrupted " +
+          "but corruption diagnosis is skipped due to lack of " +
+          "shuffle checksum support for ShuffleBlockBatchId")))
+    }
+  }
 }