Finally figured out the UI

src/services/vehiclesAPI.js

@@ -341,16 +341,8 @@ const vehiclesAPI = {
       .catch(errorHandler)
   },
 
-  flashpackVersionBulkUpdate: async (selectAll, fleet, vins, token) => {
-    var url = `${API_ENDPOINT}/flashpack_version_bulk_update`
-    const queryParams = {
-      fleet,
-    };
-    if (selectAll) {
-      url = addQueryParams(url, queryParams);
-    }
-
-    return fetch(url, {
+  flashpackVersionBulkUpdate: async (vins, token) => {
+    return fetch(`${API_ENDPOINT}/flashpack_version_bulk_update`, {
       method: "PUT",
       headers: Object.assign(
         { "Content-Type": "application/json" },