diff --git a/src/data/translation.ts b/src/data/translation.ts
index bc8165578a99..e4824b0e636f 100644
--- a/src/data/translation.ts
+++ b/src/data/translation.ts
@@ -61,6 +61,7 @@ export type TranslationCategory =
   | "state"
   | "entity"
   | "entity_component"
+  | "exceptions"
   | "config"
   | "config_panel"
   | "options"
diff --git a/src/layouts/home-assistant.ts b/src/layouts/home-assistant.ts
index f9781eef5db5..f955793a3a75 100644
--- a/src/layouts/home-assistant.ts
+++ b/src/layouts/home-assistant.ts
@@ -173,6 +173,9 @@ export class HomeAssistantAppEl extends QuickBarMixin(HassElement) {
     // @ts-ignore
     this._loadHassTranslations(this.hass!.language, "state");
 
+    // @ts-ignore
+    this._loadHassTranslations(this.hass!.language, "exceptions");
+
     document.addEventListener(
       "visibilitychange",
       () => this._checkVisibility(),
diff --git a/src/state/connection-mixin.ts b/src/state/connection-mixin.ts
index 08113c821a2c..b879e0ac8af7 100644
--- a/src/state/connection-mixin.ts
+++ b/src/state/connection-mixin.ts
@@ -122,6 +122,10 @@ export const connectionMixin = <T extends Constructor<HassBaseEl>>(
             }
             if (notifyOnError) {
               forwardHaptic("failure");
+              const lokalizedErrorMessage = (this as any).hass.localize(
+                `component.${err.translation_domain}.exceptions.${err.translation_key}.message`,
+                err.translation_placeholders
+              );
               const message =
                 (this as any).hass.localize(
                   "ui.notification_toast.service_call_failed",
@@ -129,6 +133,7 @@ export const connectionMixin = <T extends Constructor<HassBaseEl>>(
                   `${domain}/${service}`
                 ) +
                 ` ${
+                  lokalizedErrorMessage ||
                   err.message ||
                   (err.error?.code === ERR_CONNECTION_LOST
                     ? "connection lost"