diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e4bb196..359c3718 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,8 @@ will consitute of a breaking change warranting a new major release:
 - Added `PTME_LOCKED` boolean lock which is used to lock the PTME so it is not used by the VC tasks
   anymore. This lock will be controlled by the CCSDS IP core handler and is locked when the PTME
   needs to be reset. Examples for this are datarate changes.
+- Simulate real PCDU in PCDU dummy by remembering commandes switch change and triggering appropriate
+  events. Switch feedback is still immediate.
 
 ## Fixed
 
diff --git a/tmtc b/tmtc
index 5b613f98..bc85ccd8 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit 5b613f98eea415242c152ed3498ed3c0434f139f
+Subproject commit bc85ccd8eff0eaf2a168eee907d3436433e9b219