diff --git a/authsecret/1.0/vts/functional/VtsHalAuthSecretV1_0TargetTest.cpp b/authsecret/1.0/vts/functional/VtsHalAuthSecretV1_0TargetTest.cpp
index 0bff9df..f27f266 100644
--- a/authsecret/1.0/vts/functional/VtsHalAuthSecretV1_0TargetTest.cpp
+++ b/authsecret/1.0/vts/functional/VtsHalAuthSecretV1_0TargetTest.cpp
@@ -34,11 +34,19 @@
         authsecret = IAuthSecret::getService(GetParam());
         ASSERT_NE(authsecret, nullptr);
 
+        // Notify LSS to generate PIN code '1234' and corresponding secret.
+        (void)system("cmd lock_settings set-pin 1234");
+
         // All tests must enroll the correct secret first as this cannot be changed
         // without a factory reset and the order of tests could change.
         authsecret->primaryUserCredential(CORRECT_SECRET);
     }
 
+    static void TearDownTestSuite() {
+        // clean up PIN code after testing
+        (void)system("cmd lock_settings clear --old 1234");
+    }
+
     sp<IAuthSecret> authsecret;
     hidl_vec<uint8_t> CORRECT_SECRET{61, 93, 124, 240, 5, 0, 7, 201, 9, 129, 11, 12, 0, 14, 0, 16};
     hidl_vec<uint8_t> WRONG_SECRET{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};