diff --git a/Source/ProofOfConcept/Program.cs b/Source/ProofOfConcept/Program.cs
index c7d1a0e..bab95f4 100644
--- a/Source/ProofOfConcept/Program.cs
+++ b/Source/ProofOfConcept/Program.cs
@@ -172,7 +172,7 @@ if (app.Environment.IsDevelopment())
     });
     app.MapGet("/CheckRegisteredApplication", ([FromServices] ITeslaAuthenticatorService service) => service.CheckApplicationRegistrationAsync());
     app.MapGet("/RegisterApplication", ([FromServices] ITeslaAuthenticatorService service) => service.RegisterApplicationAsync());
-    app.MapGet("/Authorize", async (IHttpContextAccessor contextAccessor) => await (contextAccessor.HttpContext!).ChallengeAsync(OpenIdConnectDefaults.AuthenticationScheme, new AuthenticationProperties { RedirectUri = "/Tesla" }));
+    app.MapGet("/Authorize", async ([FromQuery] string redirect, [FromServices] IHttpContextAccessor contextAccessor) => await (contextAccessor.HttpContext!).ChallengeAsync(OpenIdConnectDefaults.AuthenticationScheme, new AuthenticationProperties { RedirectUri = redirect }));
     app.MapGet("/KeyPairing", () => Results.Redirect("https://tesla.com/_ak/automatic-parking.app"));
     app.MapGet("/Tokens", async (IHttpContextAccessor httpContextAccessor) =>
     {
@@ -232,6 +232,45 @@ if (app.Environment.IsDevelopment())
         
         return json;
     });
+
+    app.MapGet("/Diagnose", async ([FromServices] ILogger<Configurator> logger, [FromServices] IHttpContextAccessor httpContextAccessor, [FromServices] IHttpClientFactory httpClientFactory) =>
+    {
+        logger.LogTrace("Checking errors for car...");
+
+        HttpContext? context = httpContextAccessor.HttpContext;
+
+        if (context is null)
+            return Results.BadRequest();
+        
+        string? access_token = await context.GetTokenAsync("access_token");
+        string? refresh_token = await context.GetTokenAsync("refresh_token");
+        logger.LogCritical("User has access_token: {access_token} and refresh_token: {refresh_token}", access_token, refresh_token);
+        
+        if (String.IsNullOrEmpty(access_token))
+            return Results.LocalRedirect("/Authorize?redirect=Diagnose");
+        
+        HttpClient client = httpClientFactory.CreateClient("InsecureClient");
+        client.BaseAddress = new Uri("https://tesla_command_proxy");
+        client.DefaultRequestHeaders.Add("Authorization", $"Bearer {access_token}");
+        
+        //Get cars
+        VehiclesEnvelope? vehiclesEnvelope = await client.GetFromJsonAsync<VehiclesEnvelope>("/api/1/vehicles");
+        string[] vinNumbers = vehiclesEnvelope?.Response.Select(x => x.Vin ?? "").Where(v => !String.IsNullOrWhiteSpace(v)).ToArray() ?? Array.Empty<string>();
+        logger.LogCritical("User has access to {count} cars: {vins}", vinNumbers.Length, String.Join(", ", vinNumbers));
+
+        if (vinNumbers.Length == 0)
+            return Results.Ok("No cars found");
+
+        foreach (string vinNumber in vinNumbers)
+        {
+            HttpResponseMessage responseMessage = await client.GetAsync($"/api/1/vehicles/{vinNumber}/fleet_telemetry_errors");
+            string response = await responseMessage.Content.ReadAsStringAsync();
+            logger.LogInformation("Telemetry errors for {vinNumber}: {response}", vinNumber, response);
+        }
+
+        return Results.Ok("Done");
+    });
+    
     app.MapGet("/Tesla", async ([FromServices] ILogger<Configurator> logger, [FromServices] IHttpContextAccessor httpContextAccessor, [FromServices] IHttpClientFactory httpClientFactory) =>
     {
         HttpContext? context = httpContextAccessor.HttpContext;
@@ -278,7 +317,7 @@ if (app.Environment.IsDevelopment())
             Vins = new List<string>(vinNumbers),
             Config = new TelemetryConfig()
             {
-                Hostname = "tesla-connector.automatic-parking.app",
+                Hostname = "tesla-telemetry.automatic-parking.app",
                 Port = 443,
                 CertificateAuthority = vm?.CA ?? "EMPTY",
                 Fields = new Dictionary<string, TelemetryFieldConfig>()
@@ -298,7 +337,7 @@ if (app.Environment.IsDevelopment())
     });
 }
 
-app.MapGet("FleetStatus", async (IHttpClientFactory httpClientFactory) =>
+app.MapGet("/FleetStatus", async (IHttpClientFactory httpClientFactory) =>
 {
     string access_token = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6InFEc3NoM2FTV0cyT05YTTdLMzFWV0VVRW5BNCJ9.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.iMODkOXyzt0_TJfuBrojbYSU7Cx_lb8DRZ_zMz-yQxZlPUA-pITfqgqgwQEqagCUJ3wlfOSxi1OSitmxPrxr9MOT8A9KUgTOSIrPxD36JHWnBmQpbkDNqNkM4MLEbbM-95p8YnFJ0VuB9_fzz0CbJyOm_oUelA2JnNhIQ5uGfJojYPM2UKN0rUx6uMAuFgc4CslPY1P43crAXrFlH6B3D2Yk47w9Xeh-Vg_ZiX-nJqMzph_ciqYRuiySJMjM3ez7EheGy50BR_esz4muit89H3nq0rURWBN3-weauu2bcWnuYp0Nk5-zFuO3O_FKuLt-1HqYH3CAeTF2JRBJHim-hA";