diff --git a/CanUds.c b/CanUds.c
index 62640b6..7460f6c 100644
--- a/CanUds.c
+++ b/CanUds.c
@@ -552,7 +552,7 @@ static uint16_t ControlDTCSetting_85(tCanUds *env) {
     if (com->sub_function == UDS_sub_dtc_on) {
         setNoBitsDTC(env->Diagnostic, false);
     } else {
-        setNoBitsDTC(env->Diagnostic, true);
+        setNoBitsDTC(env->Diagnostic, true); // off - заморожены
     }
 
     env->dataResponse[0] = UDS_ControlDTCSetting | 0b1000000;