diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9308d71d..55857ce1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,8 @@ will consitute of a breaking change warranting a new major release:
 - PL Enable set of the power controller is now set to invalid properly if the power controller
   is not in normal mode.
 - MPSoC debug mode.
+- Possible bugfix for PL PCDU parameter JSON handling which might not have been initialized
+  properly from the JSON file.
 
 # [v7.1.0] 2023-10-11
 
diff --git a/mission/payload/PayloadPcduHandler.cpp b/mission/payload/PayloadPcduHandler.cpp
index bda15b20..48bc3b6a 100644
--- a/mission/payload/PayloadPcduHandler.cpp
+++ b/mission/payload/PayloadPcduHandler.cpp
@@ -395,7 +395,6 @@ void PayloadPcduHandler::quickTransitionBackToOff(bool startTransitionToOff, boo
 
 void PayloadPcduHandler::checkAdcValues() {
   using namespace plpcdu;
-  checkJsonFileInit();
   adcSet.processed[U_BAT_DIV_6] =
       static_cast<float>(adcSet.channels[0]) * VOLTAGE_DIV / MAX122X_BIT * MAX122X_VREF;
   adcSet.processed[U_NEG_V_FB] =
@@ -529,6 +528,10 @@ void PayloadPcduHandler::checkJsonFileInit() {
       params.initialize(sdcMan->getCurrentMountPrefix());
       jsonFileInitComplete = true;
     }
+  } else {
+    if (not sdcMan->isSdCardUsable(std::nullopt)) {
+      jsonFileInitComplete = false;
+    }
   }
 }
 
@@ -564,6 +567,13 @@ bool PayloadPcduHandler::checkCurrent(float val, float upperBound, Event event)
   return true;
 }
 
+ReturnValue_t PayloadPcduHandler::initialize() {
+  checkJsonFileInit();
+  return DeviceHandlerBase::initialize();
+}
+
+void PayloadPcduHandler::performOperationHook() { checkJsonFileInit(); }
+
 ReturnValue_t PayloadPcduHandler::checkModeCommand(Mode_t commandedMode, Submode_t commandedSubmode,
                                                    uint32_t* msToReachTheMode) {
   if (commandedMode != MODE_OFF) {
@@ -717,7 +727,6 @@ ReturnValue_t PayloadPcduHandler::handleDoubleParamUpdate(std::string key,
   if (result != returnvalue::OK) {
     return result;
   }
-  params.setValue(key, newValue);
   // Do this so the dumping and loading with the framework works as well
   doubleDummy = newValue;
   parameterWrapper->set(doubleDummy);
diff --git a/mission/payload/PayloadPcduHandler.h b/mission/payload/PayloadPcduHandler.h
index a4574f53..d48d0f89 100644
--- a/mission/payload/PayloadPcduHandler.h
+++ b/mission/payload/PayloadPcduHandler.h
@@ -67,7 +67,9 @@ class PayloadPcduHandler : public DeviceHandlerBase {
                      SdCardMountedIF* sdcMan, Stack5VHandler& stackHandler, bool periodicPrintout);
 
   void setToGoToNormalModeImmediately(bool enable);
+  void performOperationHook() override;
   void enablePeriodicPrintout(bool enable, uint8_t divider);
+  ReturnValue_t initialize() override;
 
 #ifdef XIPHOS_Q7S
   static ReturnValue_t extConvAsTwoCallback(SpiComIF* comIf, SpiCookie* cookie,
diff --git a/tmtc b/tmtc
index 60f7ae54..70c3f9dc 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit 60f7ae5453b387ee5ebcf6a338c34284004dbce7
+Subproject commit 70c3f9dcaaa8f0623ee8c30d639947ea36f9bac1