diff --git a/radio/src/dataconstants.h b/radio/src/dataconstants.h
index e584e226e..2eb7cb27b 100644
--- a/radio/src/dataconstants.h
+++ b/radio/src/dataconstants.h
@@ -188,20 +188,26 @@ enum ModuleIndex {
   SPORT_MODULE,
   BOOTLOADER_MODULE,
 };
+
 enum TrainerMode {
+#if defined(PCBNV14)
   TRAINER_MODE_OFF,
+#endif
   TRAINER_MODE_MASTER_TRAINER_JACK,
   TRAINER_MODE_SLAVE,
+#if defined(PCBTARANIS)
   TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE,
   TRAINER_MODE_MASTER_CPPM_EXTERNAL_MODULE,
+#endif
+#if defined(PCBTARANIS) || defined(AUX_SERIAL)
   TRAINER_MODE_MASTER_BATTERY_COMPARTMENT,
+#endif
   TRAINER_MODE_MASTER_BLUETOOTH,
   TRAINER_MODE_SLAVE_BLUETOOTH,
   TRAINER_MODE_MULTI,
-  TRAINER_MODE_MAX = TRAINER_MODE_MULTI
 };
 #elif defined(PCBSKY9X)
-  enum ModuleIndex {
+enum ModuleIndex {
     EXTERNAL_MODULE,
     EXTRA_MODULE,
     SPORT_MODULE
@@ -209,9 +215,9 @@ enum TrainerMode {
 #endif
 
 #if defined(RADIO_FAMILY_T16) || (defined(RADIO_T12) && defined(INTERNAL_MODULE_MULTI)) || defined(ALLOW_TRAINER_MULTI)
-  #define TRAINER_MODE_MAX()             TRAINER_MODE_MULTI
+#define TRAINER_MODE_MAX()             TRAINER_MODE_MULTI
 #elif defined(BLUETOOTH)
-  #define TRAINER_MODE_MAX()             TRAINER_MODE_SLAVE_BLUETOOTH
+#define TRAINER_MODE_MAX()             TRAINER_MODE_SLAVE_BLUETOOTH
 #elif defined(PCBX7) || defined(PCBXLITE)
   #define TRAINER_MODE_MAX()             TRAINER_MODE_MASTER_CPPM_EXTERNAL_MODULE
 #else
diff --git a/radio/src/gui/colorlcd/model_setup.cpp b/radio/src/gui/colorlcd/model_setup.cpp
index b784886bd..c5ab4baf2 100644
--- a/radio/src/gui/colorlcd/model_setup.cpp
+++ b/radio/src/gui/colorlcd/model_setup.cpp
@@ -475,16 +475,16 @@ class TrainerModuleWindow  : public FormGroup {
       clear();
 
       new StaticText(this, grid.getLabelSlot(true), STR_MODE);
-      moduleChoice = new Choice(this, grid.getFieldSlot(), STR_VTRAINERMODES, 0, TRAINER_MODE_MAX, GET_DEFAULT(g_model.trainerData.mode), [=](int32_t newValue) {
+      trainerChoice = new Choice(this, grid.getFieldSlot(), STR_VTRAINERMODES, 0, TRAINER_MODE_MAX(), GET_DEFAULT(g_model.trainerData.mode), [=](int32_t newValue) {
           g_model.trainerData.mode = newValue;
-          update();
           SET_DIRTY();
-          moduleChoice->setFocus(SET_FOCUS_DEFAULT);
+          update();
+          trainerChoice->setFocus(SET_FOCUS_DEFAULT);
       });
-      moduleChoice->setAvailableHandler(isTrainerModeAvailable);
+      trainerChoice->setAvailableHandler(isTrainerModeAvailable);
       grid.nextLine();
 
-      if (g_model.trainerData.mode > TRAINER_MODE_OFF) {
+      if (g_model.trainerData.mode >= TRAINER_MODE_MASTER_TRAINER_JACK) {
         new StaticText(this, grid.getLabelSlot(true), STR_CHANNELRANGE);
         channelStart = new NumberEdit(this, grid.getFieldSlot(2, 0), 1,
                                       MAX_OUTPUT_CHANNELS - 8 + g_model.trainerData.channelsCount + 1,
@@ -537,7 +537,7 @@ class TrainerModuleWindow  : public FormGroup {
     }
 
   protected:
-    Choice * moduleChoice = nullptr;
+    Choice * trainerChoice = nullptr;
     NumberEdit * channelStart = nullptr;
     NumberEdit * channelEnd = nullptr;
 };
diff --git a/radio/src/gui/gui_common.cpp b/radio/src/gui/gui_common.cpp
index 11165f611..fbc3073b4 100644
--- a/radio/src/gui/gui_common.cpp
+++ b/radio/src/gui/gui_common.cpp
@@ -734,22 +734,24 @@ bool isTelemetryProtocolAvailable(int protocol)
 
 bool isTrainerModeAvailable(int mode)
 {
-  switch(mode) {
-#if defined(HARDWARE_TRAINER_EXTERNAL_MODULE)
-    case TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE:
-    case TRAINER_MODE_MASTER_CPPM_EXTERNAL_MODULE:
-      return !IS_EXTERNAL_MODULE_ENABLED();
+#if defined(PCBTARANIS)
+  if (IS_EXTERNAL_MODULE_ENABLED() && (mode == TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE || mode == TRAINER_MODE_MASTER_CPPM_EXTERNAL_MODULE))
+    return false;
 #endif
 
 #if defined(PCBX9E)
-    case TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE:
-      // bluetooth uses the same USART than SBUS
-      return !g_eeGeneral.bluetoothMode;
+  if (g_eeGeneral.bluetoothMode && mode == TRAINER_MODE_MASTER_SBUS_EXTERNAL_MODULE) {
+    // bluetooth uses the same USART than SBUS
+    return false;
+  }
 #endif
 
-#if defined(HARDWARE_TRAINER_AUX_SERIAL)
-    case TRAINER_MODE_MASTER_BATTERY_COMPARTMENT:
-      return g_eeGeneral.auxSerialMode == UART_MODE_SBUS_TRAINER;
+#if defined(PCBTARANIS) && !defined(TRAINER_BATTERY_COMPARTMENT)
+  if (mode == TRAINER_MODE_MASTER_BATTERY_COMPARTMENT)
+    return false;
+#elif defined(PCBTARANIS)
+  if (mode == TRAINER_MODE_MASTER_BATTERY_COMPARTMENT)
+    return g_eeGeneral.auxSerialMode == UART_MODE_SBUS_TRAINER;
 #endif
 
 #if defined(BLUETOOTH) && !defined(PCBX9E)
@@ -760,19 +762,12 @@ bool isTrainerModeAvailable(int mode)
     return false;
 #endif
 
-#if defined(HARDWARE_TRAINER_MULTI)
-    case TRAINER_MODE_MULTI:
-      return true;
+#if defined(PCBXLITE) && !defined(PCBXLITES)
+  if (mode == TRAINER_MODE_MASTER_TRAINER_JACK || mode == TRAINER_MODE_SLAVE)
+    return false;
 #endif
 
-#if !defined(TRAINER_DETECT_GPIO)
-    case TRAINER_MODE_OFF:
-      return true;
-#endif
-
-    default:
-      return false;
-  }
+  return true;
 }
 
 bool modelHasNotes()