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TeslaSolarCharger/Server/ServerValidators/CarBasicConfigurationValidator.cs

@@ -72,7 +72,10 @@ public CarBasicConfigurationValidator(IConfigurationWrapper configurationWrapper
                         .FirstOrDefaultAsync();
                     if (isCarFleetTelemetryHardwareIncompatible)
                     {
-                        context.AddFailure("The selected car is not compatible with Fleet Telemetry. Please disable Fleet Telemetry.");
+                        if (fleetTelemetryEnabled)
+                        {
+                            context.AddFailure("The selected car is not compatible with Fleet Telemetry. Please disable Fleet Telemetry.");
+                        }
                     }
                     else if (fleetTelemetryEnabled != true)
                     {

TeslaSolarCharger/Server/Services/TeslaFleetApiService.cs

@@ -827,6 +827,18 @@ private async Task WakeUpCarIfNeeded(int carId)
     private async Task<DtoGenericTeslaResponse<T>?> SendCommandToTeslaApi<T>(string vin, DtoFleetApiRequest fleetApiRequest, int? intParam = null) where T : class
     {
         logger.LogTrace("{method}({vin}, {@fleetApiRequest}, {intParam})", nameof(SendCommandToTeslaApi), vin, fleetApiRequest, intParam);
+        var fleetTelemetryEnabled = await teslaSolarChargerContext.Cars
+            .Where(c => c.Vin == vin)
+            .Select(c => c.UseFleetTelemetry)
+            .FirstAsync();
+        if (fleetTelemetryEnabled)
+        {
+            if(!fleetTelemetryWebSocketService.IsClientConnected(vin))
+            {
+                logger.LogError("Do not send command to car {vin} as Fleet Telemetry is enabled but client is not connected", vin);
+                return null;
+            }
+        }
         if (await tokenHelper.GetBackendTokenState(true) != TokenState.UpToDate)
         {
             //Do not show base api not licensed error if not connected to backend

TeslaSolarCharger/Server/Services/TokenHelper.cs

@@ -31,7 +31,7 @@ public async Task<TokenState> GetFleetApiTokenState(bool useCache)
         }
         var state = await GetUncachedFleetApiTokenState().ConfigureAwait(false);
         memoryCache.Set(constants.FleetApiTokenStateKey, state.TokenState, GetCacheEntryOptions(state.ExpiresAtUtc));
-        memoryCache.Set(constants.FleetApiTokenExpirationTimeKey, state, GetCacheEntryOptions(state.ExpiresAtUtc));
+        memoryCache.Set(constants.FleetApiTokenExpirationTimeKey, state.ExpiresAtUtc, GetCacheEntryOptions(state.ExpiresAtUtc));
         return state.TokenState;
     }
 
@@ -45,7 +45,7 @@ public async Task<TokenState> GetFleetApiTokenState(bool useCache)
         }
         var state = await GetUncachedFleetApiTokenState().ConfigureAwait(false);
         memoryCache.Set(constants.FleetApiTokenStateKey, state.TokenState, GetCacheEntryOptions(state.ExpiresAtUtc));
-        memoryCache.Set(constants.FleetApiTokenExpirationTimeKey, state, GetCacheEntryOptions(state.ExpiresAtUtc));
+        memoryCache.Set(constants.FleetApiTokenExpirationTimeKey, state.ExpiresAtUtc, GetCacheEntryOptions(state.ExpiresAtUtc));
         return state.ExpiresAtUtc;
     }