diff --git a/services/core/java/com/android/server/biometrics/sensors/BiometricScheduler.java b/services/core/java/com/android/server/biometrics/sensors/BiometricScheduler.java
index bfd4d6e8fe5da..1ac91672c7dd0 100644
--- a/services/core/java/com/android/server/biometrics/sensors/BiometricScheduler.java
+++ b/services/core/java/com/android/server/biometrics/sensors/BiometricScheduler.java
@@ -355,7 +355,9 @@ public class BiometricScheduler {
 
     /**
      * Creates a new scheduler.
+     * @param context system_server context.
      * @param tag for the specific instance of the scheduler. Should be unique.
+     * @param sensorType the sensorType that this scheduler is handling.
      * @param gestureAvailabilityDispatcher may be null if the sensor does not support gestures
      *                                      (such as fingerprint swipe).
      */
diff --git a/services/core/java/com/android/server/biometrics/sensors/CoexCoordinator.java b/services/core/java/com/android/server/biometrics/sensors/CoexCoordinator.java
index 18e9cb16e2660..7638a51a3710f 100644
--- a/services/core/java/com/android/server/biometrics/sensors/CoexCoordinator.java
+++ b/services/core/java/com/android/server/biometrics/sensors/CoexCoordinator.java
@@ -141,6 +141,7 @@ public class CoexCoordinator {
             } else {
                 // Multi sensor authentication
                 AuthenticationClient<?> udfps = mClientMap.getOrDefault(SENSOR_TYPE_UDFPS, null);
+                AuthenticationClient<?> face = mClientMap.getOrDefault(SENSOR_TYPE_FACE, null);
                 if (isCurrentFaceAuth(client)) {
                     if (isPointerDown(udfps)) {
                         // Face auth success while UDFPS pointer down. No callback, no haptic.
@@ -149,6 +150,14 @@ public class CoexCoordinator {
                         callback.sendHapticFeedback();
                         callback.sendAuthenticationResult(true /* addAuthTokenIfStrong */);
                     }
+                } else if (isCurrentUdfps(client)) {
+                    if (isFaceScanning()) {
+                        // UDFPS succeeds while face is still scanning
+                        // Cancel face auth and/or prevent it from invoking haptics/callbacks after
+                        face.cancel();
+                    }
+                    callback.sendHapticFeedback();
+                    callback.sendAuthenticationResult(true /* addAuthTokenIfStrong */);
                 }
             }
         } else {
@@ -175,7 +184,15 @@ public class CoexCoordinator {
         return client == mClientMap.getOrDefault(SENSOR_TYPE_FACE, null);
     }
 
-    private boolean isPointerDown(@Nullable AuthenticationClient<?> client) {
+    private boolean isCurrentUdfps(@NonNull AuthenticationClient<?> client) {
+        return client == mClientMap.getOrDefault(SENSOR_TYPE_UDFPS, null);
+    }
+
+    private boolean isFaceScanning() {
+        return mClientMap.containsKey(SENSOR_TYPE_FACE);
+    }
+
+    private static boolean isPointerDown(@Nullable AuthenticationClient<?> client) {
         if (client instanceof Udfps) {
             return ((Udfps) client).isPointerDown();
         }
diff --git a/services/tests/servicestests/src/com/android/server/biometrics/sensors/CoexCoordinatorTest.java b/services/tests/servicestests/src/com/android/server/biometrics/sensors/CoexCoordinatorTest.java
index 46a4e91b6a52d..9c42f45584508 100644
--- a/services/tests/servicestests/src/com/android/server/biometrics/sensors/CoexCoordinatorTest.java
+++ b/services/tests/servicestests/src/com/android/server/biometrics/sensors/CoexCoordinatorTest.java
@@ -154,4 +154,25 @@ public class CoexCoordinatorTest {
         verify(mCallback, never()).sendHapticFeedback();
         verify(mCallback, never()).sendAuthenticationResult(anyBoolean());
     }
+
+    @Test
+    public void testKeyguard_udfpsAuthSuccess_whileFaceScanning() {
+        mCoexCoordinator.reset();
+
+        AuthenticationClient<?> faceClient = mock(AuthenticationClient.class);
+        when(faceClient.isKeyguard()).thenReturn(true);
+
+        AuthenticationClient<?> udfpsClient = mock(AuthenticationClient.class,
+                withSettings().extraInterfaces(Udfps.class));
+        when(udfpsClient.isKeyguard()).thenReturn(true);
+        when(((Udfps) udfpsClient).isPointerDown()).thenReturn(true);
+
+        mCoexCoordinator.addAuthenticationClient(SENSOR_TYPE_FACE, faceClient);
+        mCoexCoordinator.addAuthenticationClient(SENSOR_TYPE_UDFPS, udfpsClient);
+
+        mCoexCoordinator.onAuthenticationSucceeded(udfpsClient, mCallback);
+        verify(mCallback).sendHapticFeedback();
+        verify(mCallback).sendAuthenticationResult(eq(true));
+        verify(faceClient).cancel();
+    }
 }