diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 467ffcc9c6..2a11156002 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active); 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/Cartesio/Configuration.h b/Marlin/example_configurations/Cartesio/Configuration.h
index fb379a0fee..318e15d3fd 100644
--- a/Marlin/example_configurations/Cartesio/Configuration.h
+++ b/Marlin/example_configurations/Cartesio/Configuration.h
@@ -289,7 +289,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -297,6 +297,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index be9a9c30b0..d5940affdb 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Felix 2.0+ electronics with v4 Hotend
diff --git a/Marlin/example_configurations/Felix/DUAL/Configuration.h b/Marlin/example_configurations/Felix/DUAL/Configuration.h
index 529879126c..6f39cf5d72 100644
--- a/Marlin/example_configurations/Felix/DUAL/Configuration.h
+++ b/Marlin/example_configurations/Felix/DUAL/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Felix 2.0+ electronics with v4 Hotend
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index 115fd741d2..d461704d68 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -291,7 +291,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -299,6 +299,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Hephestos i3
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index d2b72aa347..945425eb11 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 250  // If the temperature difference between the target temperature and the actual temperature
+                                    // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Tuned PID values using M303
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index 802578c402..f9c1aad8d3 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -295,7 +295,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -303,6 +303,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/K8400/Configuration.h b/Marlin/example_configurations/K8400/Configuration.h
index 2b35de1d27..93693baaf3 100644
--- a/Marlin/example_configurations/K8400/Configuration.h
+++ b/Marlin/example_configurations/K8400/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/K8400/Dual-head/Configuration.h b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
index 0fc6561734..138651faf0 100644
--- a/Marlin/example_configurations/K8400/Dual-head/Configuration.h
+++ b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index 1e07b6a6bc..b08323e6b4 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index 0bc525663c..419e1abf94 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -291,7 +291,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -299,6 +299,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index fe4ac6ff7a..9768a23097 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -320,7 +320,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -328,6 +328,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 20 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Merlin Hotend: From Autotune
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index 93443d67dc..9ec1e6e372 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 70 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX 74 // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX 74 // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 16 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index 68770b8bb2..9c9a0aa8f4 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -291,7 +291,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -299,6 +299,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Witbox
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 985dc16132..d7e4535b5e 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration.h b/Marlin/example_configurations/delta/biv2.5/Configuration.h
index a92103843f..e6bd25c278 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index f562389692..0bafa2b572 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index 7155072ae7..1994e90202 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index 4b45957c2a..5ce3bb4d08 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -294,7 +294,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX  125 // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX  125 // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -302,6 +302,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 50 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // Kossel Pro
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index ea10725414..27f2a968d9 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -281,7 +281,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -289,6 +289,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index bde922a2a0..8c202ae8ee 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index 36ba732780..e356a50dad 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -288,7 +288,7 @@
 // Comment the following line to disable PID and enable bang-bang.
 #define PIDTEMP
 #define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
-#define PID_MAX BANG_MAX // limits current to nozzle while PID is active; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -296,6 +296,8 @@
   //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
                                   // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
   #define K1 0.95 //smoothing factor within the PID
 
   // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index 285871a879..a750131dbc 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -137,6 +137,7 @@ volatile bool Temperature::temp_meas_ready = false;
   #endif
 
   float Temperature::pid_error[HOTENDS];
+  bool Temperature::pid_reset[HOTENDS];
 #endif
 
 #if ENABLED(PIDTEMPBED)
@@ -194,6 +195,7 @@ uint8_t Temperature::soft_pwm[HOTENDS];
 #endif
 
 #if HAS_PID_HEATING
+
   void Temperature::PID_autotune(float temp, int hotend, int ncycles, bool set_result/*=false*/) {
     float input = 0.0;
     int cycles = 0;
@@ -450,6 +452,7 @@ int Temperature::getHeaterPower(int heater) {
 }
 
 #if HAS_AUTO_FAN
+
   void Temperature::checkExtruderAutoFans() {
     const int8_t fanPin[] = { EXTRUDER_0_AUTO_FAN_PIN, EXTRUDER_1_AUTO_FAN_PIN, EXTRUDER_2_AUTO_FAN_PIN, EXTRUDER_3_AUTO_FAN_PIN };
     const int fanBit[] = {
@@ -532,17 +535,23 @@ float Temperature::get_pid_output(int e) {
   #endif
   float pid_output;
   #if ENABLED(PIDTEMP)
-    #if ENABLED(PID_OPENLOOP)
-      pid_output = constrain(target_temperature[HOTEND_INDEX], 0, PID_MAX);
-    #else
+    #if DISABLED(PID_OPENLOOP)
       pid_error[HOTEND_INDEX] = target_temperature[HOTEND_INDEX] - current_temperature[HOTEND_INDEX];
       dTerm[HOTEND_INDEX] = K2 * PID_PARAM(Kd, HOTEND_INDEX) * (current_temperature[HOTEND_INDEX] - temp_dState[HOTEND_INDEX]) + K1 * dTerm[HOTEND_INDEX];
       temp_dState[HOTEND_INDEX] = current_temperature[HOTEND_INDEX];
-      if (target_temperature[HOTEND_INDEX] == 0) {
+      if (pid_error[HOTEND_INDEX] > PID_FUNCTIONAL_RANGE) {
+        pid_output = BANG_MAX;
+        pid_reset[HOTEND_INDEX] = true;
+      }
+      else if (pid_error[HOTEND_INDEX] < -(PID_FUNCTIONAL_RANGE) || target_temperature[HOTEND_INDEX] == 0) {
         pid_output = 0;
-        temp_iState[HOTEND_INDEX] = 0.0;
+        pid_reset[HOTEND_INDEX] = true;
       }
       else {
+        if (pid_reset[HOTEND_INDEX]) {
+          temp_iState[HOTEND_INDEX] = 0.0;
+          pid_reset[HOTEND_INDEX] = false;
+        }
         pTerm[HOTEND_INDEX] = PID_PARAM(Kp, HOTEND_INDEX) * pid_error[HOTEND_INDEX];
         temp_iState[HOTEND_INDEX] += pid_error[HOTEND_INDEX];
         iTerm[HOTEND_INDEX] = PID_PARAM(Ki, HOTEND_INDEX) * temp_iState[HOTEND_INDEX];
@@ -575,6 +584,8 @@ float Temperature::get_pid_output(int e) {
           pid_output = 0;
         }
       }
+    #else
+      pid_output = constrain(target_temperature[HOTEND_INDEX], 0, PID_MAX);
     #endif //PID_OPENLOOP
 
     #if ENABLED(PID_DEBUG)
diff --git a/Marlin/temperature.h b/Marlin/temperature.h
index b18690c387..974e05d5e7 100644
--- a/Marlin/temperature.h
+++ b/Marlin/temperature.h
@@ -158,6 +158,7 @@ class Temperature {
       #endif
 
       static float pid_error[HOTENDS];
+      static bool pid_reset[HOTENDS];
     #endif
 
     #if ENABLED(PIDTEMPBED)