diff --git a/CanUds.c b/CanUds.c
index 2a3758a..a3db445 100644
--- a/CanUds.c
+++ b/CanUds.c
@@ -269,6 +269,8 @@ static uint16_t TesterPresent_3E(tCanUds *env) {
     if (osMutexAcquire(env->access, 1000) == osOK) {
         env->currentSessionTesterPresentTimeout = SystemGetMs() + timeout_session_S3_Server;
         osMutexRelease(env->access);
+    } else {
+        LoggerErrorStatic(LOGGER, LOG_SIGN, "Access error TesterPresent_3E");
     }
 
     return 2;
@@ -1385,6 +1387,8 @@ static uint16_t TransferData_36(tCanUds *env) {
     if (osMutexAcquire(env->access, 1000) == osOK) {
         env->currentSessionTesterPresentTimeout = SystemGetMs() + timeout_session_S3_Server;
         osMutexRelease(env->access);
+    } else {
+        LoggerErrorStatic(LOGGER, LOG_SIGN, "Access error TransferData_36");
     }
 
     bool result = env->write_flash_func(env->AdrFlash, &env->data->data[2], env->data->len - 2);
@@ -1396,7 +1400,11 @@ static uint16_t TransferData_36(tCanUds *env) {
     env->AdrFlash += env->data->len - 2;
     env->SizeWriteFlash += env->data->len - 2;
 
-    LoggerFormatInfo(LOGGER, LOG_SIGN, "Download: %d of %d kb", env->SizeWriteFlash / 1024 , DownloadFirmwareSize / 1024)
+
+#if (LOG_UDS == 1)
+    LoggerFormatTrace(LOGGER, LOG_SIGN, "Download: %d of %d kb", env->SizeWriteFlash / 1024 , DownloadFirmwareSize / 1024)
+#endif
+
 
     tTransferData_Response *transferData_Response = (tTransferData_Response *) env->dataResponse;
     transferData_Response->ServiceId = UDS_TransferData | 0b1000000;
@@ -1739,9 +1747,9 @@ void CanUds(tCanUds *env) {
                 (env->currentSessionTesterPresentTimeout < SystemGetMs())) {
                 env->currentSessionTesterPresentTimeout = 0;
 
-//#if (LOG_UDS == 1)
-                LoggerFormatInfo(LOGGER, LOG_SIGN, "Resetting the session to default: %d", UDS_session_defaultSession)
-//#endif
+#if (LOG_UDS == 1)
+                LoggerFormatTrace(LOGGER, LOG_SIGN, "Resetting the session to default: %d", UDS_session_defaultSession)
+#endif
                 setDefaultSecurityAccess(env);
                 set_CCU_Mute(env->canSpamTransmitter, false);
                 set_NoBitsDTC(env->Diagnostic, false);
@@ -1751,6 +1759,8 @@ void CanUds(tCanUds *env) {
             }
 
             osMutexRelease(env->access);
+        } else {
+            LoggerErrorStatic(LOGGER, LOG_SIGN, "Access error CanUds");
         }
 
         SystemDelayMs(1000);