diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index d12c76334454d..b9834d402f2a0 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -398,6 +398,12 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
      */
     private boolean mPendingLock;
 
+    /**
+     * When starting to go away, flag a need to show the PIN lock so the keyguard can be brought
+     * back.
+     */
+    private boolean mPendingPinLock = false;
+
     /**
      * Whether a power button gesture (such as double tap for camera) has been detected. This is
      * delivered directly from {@link KeyguardService}, immediately upon the gesture being detected.
@@ -471,6 +477,19 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
 
     KeyguardUpdateMonitorCallback mUpdateCallback = new KeyguardUpdateMonitorCallback() {
 
+        @Override
+        public void onKeyguardVisibilityChanged(boolean showing) {
+            synchronized (KeyguardViewMediator.this) {
+                if (!showing && mPendingPinLock) {
+                    Log.i(TAG, "PIN lock requested, starting keyguard");
+
+                    // Bring the keyguard back in order to show the PIN lock
+                    mPendingPinLock = false;
+                    doKeyguardLocked(null);
+                }
+            }
+        }
+
         @Override
         public void onUserSwitching(int userId) {
             if (DEBUG) Log.d(TAG, String.format("onUserSwitching %d", userId));
@@ -591,6 +610,7 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
                                     + "showing; need to show keyguard so user can enter sim pin");
                             doKeyguardLocked(null);
                         } else {
+                            mPendingPinLock = true;
                             resetStateLocked();
                         }
                     }
@@ -739,6 +759,9 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
         @Override
         public void onBouncerVisiblityChanged(boolean shown) {
             synchronized (KeyguardViewMediator.this) {
+                if (shown) {
+                    mPendingPinLock = false;
+                }
                 adjustStatusBarLocked(shown, false);
             }
         }
@@ -2783,7 +2806,7 @@ public class KeyguardViewMediator extends SystemUI implements Dumpable,
         }
     }
 
-    private void setShowingLocked(boolean showing) {
+    void setShowingLocked(boolean showing) {
         setShowingLocked(showing, false /* forceCallbacks */);
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardViewMediatorTest.java b/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardViewMediatorTest.java
index 1dacc6245d841..ad08780316799 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardViewMediatorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/KeyguardViewMediatorTest.java
@@ -23,6 +23,7 @@ import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.atLeast;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
@@ -33,8 +34,9 @@ import android.app.admin.DevicePolicyManager;
 import android.app.trust.TrustManager;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
+import android.telephony.TelephonyManager;
 import android.testing.AndroidTestingRunner;
-import android.testing.TestableLooper.RunWithLooper;
+import android.testing.TestableLooper;
 
 import androidx.test.filters.SmallTest;
 
@@ -65,7 +67,7 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
 @RunWith(AndroidTestingRunner.class)
-@RunWithLooper
+@TestableLooper.RunWithLooper(setAsMainLooper = true)
 @SmallTest
 public class KeyguardViewMediatorTest extends SysuiTestCase {
     private KeyguardViewMediator mViewMediator;
@@ -124,6 +126,7 @@ public class KeyguardViewMediatorTest extends SysuiTestCase {
                 mUnlockedScreenOffAnimationController,
                 () -> mNotificationShadeDepthController);
         mViewMediator.start();
+        mViewMediator.onSystemReady();
     }
 
     @Test
@@ -160,4 +163,27 @@ public class KeyguardViewMediatorTest extends SysuiTestCase {
         mViewMediator.onDozeAmountChanged(1f, 1f);
         assertFalse(mViewMediator.isAnimatingScreenOff());
     }
+
+    @Test
+    public void restoreBouncerWhenSimLockedAndKeyguardIsGoingAway() {
+        // When showing and provisioned
+        when(mUpdateMonitor.isDeviceProvisioned()).thenReturn(true);
+        mViewMediator.setShowingLocked(true);
+
+        // and a SIM becomes locked and requires a PIN
+        mViewMediator.mUpdateCallback.onSimStateChanged(
+                1 /* subId */,
+                0 /* slotId */,
+                TelephonyManager.SIM_STATE_PIN_REQUIRED);
+
+        // and the keyguard goes away
+        mViewMediator.setShowingLocked(false);
+        when(mStatusBarKeyguardViewManager.isShowing()).thenReturn(false);
+        mViewMediator.mUpdateCallback.onKeyguardVisibilityChanged(false);
+
+        TestableLooper.get(this).processAllMessages();
+
+        // then make sure it comes back
+        verify(mStatusBarKeyguardViewManager, atLeast(1)).show(null);
+    }
 }