diff --git a/src/layouts/service-packages/service-package-question/service-package-question.vue b/src/layouts/service-packages/service-package-question/service-package-question.vue
index 81985075..222c2998 100644
--- a/src/layouts/service-packages/service-package-question/service-package-question.vue
+++ b/src/layouts/service-packages/service-package-question/service-package-question.vue
@@ -2,7 +2,7 @@
     <buttonQuestion
         ref="buttonQuestion"
         v-model="selectedPackageName"
-        class="service-package-question"
+        :class="['service-package-question', additionalClass]"
         :answers="servicePackageAnswers"
         :groupName="groupName"
         :questionText="questionText"
@@ -39,6 +39,7 @@ export default {
         buttonQuestion
     },
     props: {
+        additionalClass: String,
         cmsWidgetName: String,
         groupName: String,
         validationRules: String,
diff --git a/src/layouts/service-packages/service-packages.vue b/src/layouts/service-packages/service-packages.vue
index 1060572f..da7e996a 100644
--- a/src/layouts/service-packages/service-packages.vue
+++ b/src/layouts/service-packages/service-packages.vue
@@ -21,12 +21,16 @@
                         ref="servicePackage"
                         cmsWidgetName="ServicePackage"
                         groupName="ServicePackageQuestion"
+                        :additionalClass="showFormErrorState ? 'parent-error' : ''"
                         :availableLineItems="availableLineItems"
                         :validationRules="rules.optionRequired"
                         isRequired
                         @vapsItemsSelected="vapsItemsSelectedAction"
                         @packageSelected="packageSelectedAction"
                         @link-event="openModalAction" />
+                    <div v-if="showFormErrorState" class="form-test-error">
+                        {{ errorMessageText }}
+                    </div>
                     <div class="d-flex justify-content-center mt-8 mb-4">
                         <buttonMain
                             ref="buttonMain"
@@ -44,7 +48,7 @@
                 </div>
                 <p
                     class="caption disclaimer"
-                    v-html="PriceDisclaimerText"></p>
+                    v-html="priceDisclaimerText"></p>
             </div>
             <loadingModal
                 ref="loadingModal"
@@ -67,7 +71,6 @@
 import baseFormMixin from '@/mixins/base-form-mixin';
 import siteHeader from '@/iss-components/site-header/site-header.vue';
 import siteFooter from '@/iss-components/site-footer/site-footer.vue';
-import siteSubHeader from '@/iss-components/site-sub-header/site-sub-header.vue';
 import contentGroupModal from '@/iss-components/content-group-modal/content-group-modal.vue';
 import loadingModal from '@/iss-components/loading-modal/loading-modal.vue';
 import settleAllPromises from '@/helpers/layout-helper';
@@ -80,6 +83,7 @@ import globalRules from '@/constants/global-rules';
 import servicePackageQuestion from '@/layouts/service-packages/service-package-question/service-package-question.vue';
 import issPageValues from '@/router/router-constants/issPage-values';
 import bailoutMessage from '@/constants/bailoutMessage';
+import errorMessages from '@/constants/error-messages.js';
 import buttonMain from '@/ux-components/button-main/button-main.vue';
 import { analyticsServicePackageMap, analyticsVapsModalMap } from '@/constants/analytics';
 
@@ -174,6 +178,7 @@ export default {
             selectedVaps: [],
             selectedPackageTier: '',
             availableLineItems: [],
+            formSubmitAttempted: false,
             loadingText: [
                 'Finding shops near you',
                 'Looking for dates',
@@ -187,22 +192,31 @@ export default {
         };
     },
     computed: {
-        PriceDisclaimerText() {
+        errorMessageText() {
+            return errorMessages.OPTION_REQUIRED;
+        },
+        hasSelectedServicePackage() {
+            return !!this.selectedPackageTier;
+        },
+        priceDisclaimerText() {
             return this.getCmsContent('PriceDisclaimerWidget', 'Text');
         },
-        vehicleMake() {
-            return (store.order.vehicle.make ?? '').toUpperCase();
-        },
-        vehicleModel() {
-            return (store.order.vehicle.model ?? '').toUpperCase();
+        secondaryText() {
+            return this.getCmsContent('SiteSubHeaderWidget', 'SecondaryText');
         },
         servicePackagesSubHeader() {
             return this.getCmsContent('SiteSubHeaderWidget', 'SubHeaderText')
                 .replace('{custom:vehicleMake}', this.vehicleMake)
                 .replace('{custom:vehicleModel}', this.vehicleModel);
         },
-        secondaryText() {
-            return this.getCmsContent('SiteSubHeaderWidget', 'SecondaryText');
+        showFormErrorState() {
+            return this.formSubmitAttempted && !this.hasSelectedServicePackage;
+        },
+        vehicleMake() {
+            return (store.order.vehicle.make ?? '').toUpperCase();
+        },
+        vehicleModel() {
+            return (store.order.vehicle.model ?? '').toUpperCase();
         }
     },
     methods: {
@@ -232,6 +246,11 @@ export default {
             this.selectedPackageTier = packageTier;
         },
         forwardButtonAction() {
+            if (!this.hasSelectedServicePackage) {
+                this.formSubmitAttempted = true;
+                return false;
+            }
+
             showIssLoadingModal(true);
             const parts = {
                 vaps: this.selectedVaps
diff --git a/src/styles/common-validation-styles.scss b/src/styles/common-validation-styles.scss
index 6e274fe5..fd0277e9 100644
--- a/src/styles/common-validation-styles.scss
+++ b/src/styles/common-validation-styles.scss
@@ -14,6 +14,7 @@ html {
             input[type="radio"]:focus+.list-button-content {
                 box-shadow: 0 0 0 2.5px $red;
             }
+
             &:not(.selected):not(.no-hover):hover {
                 position: relative;
                 @include box-shadow-hover($red-200);
@@ -135,6 +136,7 @@ html {
     }
 
     .has-success {
+
         // START HOVER
         &.list-button,
         &.list-button.list-group,
@@ -271,7 +273,8 @@ html {
         }
     }
 
-    //Quote page radio button group
+    // Service Packages page radio button group
+    // With form validation error state
     .package-main {
         .package-wrapper {
             .has-error {
@@ -284,7 +287,28 @@ html {
         }
     }
 
-    //Restore to default style if alert box is present
+    // With parent form validation error state
+    div.service-package-question.parent-error {
+        @include media-breakpoint-up(md) {
+            +.form-test-error {
+                margin-top: 0.25rem;
+                padding: 0 1.5rem 0 1.5rem;
+            }
+        }
+
+        .package-main {
+            .package-wrapper {
+                input[type="radio"] {
+                    +.package-label {
+                        border: 1px solid $red;
+                    }
+                }
+            }
+        }
+    }
+
+
+    // Restore to default style if alert box is present
     .alertError {
         .has-error {