diff --git a/Marlin/src/Marlin.cpp b/Marlin/src/Marlin.cpp
index e9f740305c..bf32f7bc82 100644
--- a/Marlin/src/Marlin.cpp
+++ b/Marlin/src/Marlin.cpp
@@ -374,23 +374,6 @@ bool pin_is_protected(const int8_t pin) {
   return false;
 }
 
-#if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
-
-  static uint8_t auto_report_temp_interval;
-  static millis_t next_temp_report_ms;
-
-  inline void auto_report_temperatures() {
-    if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
-      next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
-      thermalManager.print_heaterstates();
-      SERIAL_EOL();
-    }
-  }
-
-  #include "gcode/temperature/M155.h"
-
-#endif // AUTO_REPORT_TEMPERATURES && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
-
 #if DISABLED(EMERGENCY_PARSER)
   #include "gcode/control/M108.h"
   #include "gcode/control/M112.h"
@@ -902,7 +885,7 @@ void idle(
   #endif
 
   #if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
-    auto_report_temperatures();
+    thermalManager.auto_report_temperatures();
   #endif
 
   manage_inactivity(
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 6f9b16f0de..081a17015f 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -144,7 +144,6 @@ extern void gcode_M140();
 extern void gcode_M145();
 extern void gcode_M149();
 extern void gcode_M150();
-extern void gcode_M155();
 extern void gcode_M163();
 extern void gcode_M164();
 extern void gcode_M165();
@@ -495,9 +494,7 @@ void GcodeSuite::process_next_command() {
         return; // "ok" already printed
 
       #if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
-        case 155: // M155: Set temperature auto-report interval
-          gcode_M155();
-          break;
+        case 155: M155(); break;  // M155: Set temperature auto-report interval
       #endif
 
       #if HAS_TEMP_BED
diff --git a/Marlin/src/gcode/temperature/M155.h b/Marlin/src/gcode/temperature/M155.cpp
similarity index 71%
rename from Marlin/src/gcode/temperature/M155.h
rename to Marlin/src/gcode/temperature/M155.cpp
index b5d4248db4..d97e7b9ae9 100644
--- a/Marlin/src/gcode/temperature/M155.h
+++ b/Marlin/src/gcode/temperature/M155.cpp
@@ -20,13 +20,21 @@
  *
  */
 
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
+
+#include "../gcode.h"
+#include "../../module/temperature.h"
+
 /**
  * M155: Set temperature auto-report interval. M155 S<seconds>
  */
-void gcode_M155() {
-  if (parser.seenval('S')) {
-    auto_report_temp_interval = parser.value_byte();
-    NOMORE(auto_report_temp_interval, 60);
-    next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
-  }
+void GcodeSuite::M155() {
+
+  if (parser.seenval('S'))
+    thermalManager.set_auto_report_interval(parser.value_byte());
+
 }
+
+#endif // AUTO_REPORT_TEMPERATURES && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index 5bf392fdae..03cce00f78 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -2259,4 +2259,19 @@ void Temperature::isr() {
     #endif
   }
 
+  #if ENABLED(AUTO_REPORT_TEMPERATURES)
+
+    uint8_t Temperature::auto_report_temp_interval;
+    millis_t Temperature::next_temp_report_ms;
+
+    void Temperature::auto_report_temperatures() {
+      if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
+        next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
+        print_heaterstates();
+        SERIAL_EOL();
+      }
+    }
+
+  #endif // AUTO_REPORT_TEMPERATURES
+
 #endif // HAS_TEMP_HOTEND || HAS_TEMP_BED
diff --git a/Marlin/src/module/temperature.h b/Marlin/src/module/temperature.h
index 9959d18248..e18bd10e22 100644
--- a/Marlin/src/module/temperature.h
+++ b/Marlin/src/module/temperature.h
@@ -527,6 +527,16 @@ class Temperature {
 
     #if HAS_TEMP_HOTEND || HAS_TEMP_BED
       static void print_heaterstates();
+      #if ENABLED(AUTO_REPORT_TEMPERATURES)
+        static uint8_t auto_report_temp_interval;
+        static millis_t next_temp_report_ms;
+        static void auto_report_temperatures(void);
+        FORCE_INLINE void set_auto_report_interval(uint8_t v) {
+          NOMORE(v, 60);
+          auto_report_temp_interval = v;
+          next_temp_report_ms = millis() + 1000UL * v;
+        }
+      #endif
     #endif
 
   private: