diff --git a/homeassistant/components/tedee/binary_sensor.py b/homeassistant/components/tedee/binary_sensor.py
index 98c70f32450..3a7d1a12f2e 100644
--- a/homeassistant/components/tedee/binary_sensor.py
+++ b/homeassistant/components/tedee/binary_sensor.py
@@ -47,6 +47,14 @@ ENTITIES: tuple[TedeeBinarySensorEntityDescription, ...] = (
         is_on_fn=lambda lock: lock.is_enabled_pullspring,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
+    TedeeBinarySensorEntityDescription(
+        key="uncalibrated",
+        translation_key="uncalibrated",
+        is_on_fn=lambda lock: lock.state == TedeeLockState.UNCALIBRATED,
+        device_class=BinarySensorDeviceClass.PROBLEM,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        entity_registry_enabled_default=False,
+    ),
 )
 
 
diff --git a/homeassistant/components/tedee/icons.json b/homeassistant/components/tedee/icons.json
index 3f98462b22f..4fae6e0fcd2 100644
--- a/homeassistant/components/tedee/icons.json
+++ b/homeassistant/components/tedee/icons.json
@@ -1,5 +1,13 @@
 {
   "entity": {
+    "binary_sensor": {
+      "uncalibrated": {
+        "state": {
+          "on": "mdi:sync-alert",
+          "off": "mdi:sync"
+        }
+      }
+    },
     "sensor": {
       "pullspring_duration": {
         "default": "mdi:timer-lock-open"
diff --git a/homeassistant/components/tedee/strings.json b/homeassistant/components/tedee/strings.json
index e16cdbdd330..0668d1370b4 100644
--- a/homeassistant/components/tedee/strings.json
+++ b/homeassistant/components/tedee/strings.json
@@ -53,6 +53,9 @@
       },
       "semi_locked": {
         "name": "Semi locked"
+      },
+      "uncalibrated": {
+        "name": "Lock uncalibrated"
       }
     },
     "sensor": {
diff --git a/tests/components/tedee/snapshots/test_binary_sensor.ambr b/tests/components/tedee/snapshots/test_binary_sensor.ambr
index 8c9dca1bd12..385e4ac9bc1 100644
--- a/tests/components/tedee/snapshots/test_binary_sensor.ambr
+++ b/tests/components/tedee/snapshots/test_binary_sensor.ambr
@@ -32,6 +32,39 @@
     'unit_of_measurement': None,
   })
 # ---
+# name: test_binary_sensors[entry-lock_uncalibrated]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'binary_sensor.lock_1a2b_lock_uncalibrated',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
+    'original_icon': None,
+    'original_name': 'Lock uncalibrated',
+    'platform': 'tedee',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'uncalibrated',
+    'unique_id': '12345-uncalibrated',
+    'unit_of_measurement': None,
+  })
+# ---
 # name: test_binary_sensors[entry-pullspring_enabled]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -112,6 +145,20 @@
     'state': 'off',
   })
 # ---
+# name: test_binary_sensors[state-lock_uncalibrated]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'problem',
+      'friendly_name': 'Lock-1A2B Lock uncalibrated',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.lock_1a2b_lock_uncalibrated',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_binary_sensors[state-pullspring_enabled]
   StateSnapshot({
     'attributes': ReadOnlyDict({
diff --git a/tests/components/tedee/test_binary_sensor.py b/tests/components/tedee/test_binary_sensor.py
index ee8c318d2dd..788d31c84d2 100644
--- a/tests/components/tedee/test_binary_sensor.py
+++ b/tests/components/tedee/test_binary_sensor.py
@@ -15,20 +15,17 @@ from tests.common import async_fire_time_changed
 
 pytestmark = pytest.mark.usefixtures("init_integration")
 
-BINARY_SENSORS = (
-    "charging",
-    "semi_locked",
-    "pullspring_enabled",
-)
+BINARY_SENSORS = ("charging", "semi_locked", "pullspring_enabled", "lock_uncalibrated")
 
 
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_binary_sensors(
     hass: HomeAssistant,
     mock_tedee: MagicMock,
     entity_registry: er.EntityRegistry,
     snapshot: SnapshotAssertion,
 ) -> None:
-    """Test tedee battery charging sensor."""
+    """Test tedee binary sensor."""
     for key in BINARY_SENSORS:
         state = hass.states.get(f"binary_sensor.lock_1a2b_{key}")
         assert state
@@ -39,6 +36,7 @@ async def test_binary_sensors(
         assert entry == snapshot(name=f"entry-{key}")
 
 
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
 async def test_new_binary_sensors(
     hass: HomeAssistant,
     mock_tedee: MagicMock,