diff --git a/Marlin/src/pins/stm32/pins_FYSETC_S6.h b/Marlin/src/pins/stm32/pins_FYSETC_S6.h
index 16f176a376..5bda7b1c97 100644
--- a/Marlin/src/pins/stm32/pins_FYSETC_S6.h
+++ b/Marlin/src/pins/stm32/pins_FYSETC_S6.h
@@ -41,6 +41,9 @@
 // EEPROM Emulation
 //
 #define FLASH_EEPROM_EMULATION
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  #define FLASH_EEPROM_LEVELING
+#endif
 //#define SRAM_EEPROM_EMULATION
 //#define I2C_EEPROM
 #ifdef I2C_EEPROM
@@ -65,6 +68,7 @@
 
 //
 // Filament Sensor
+// share with X_MAX_PIN
 //
 #ifndef FIL_RUNOUT_PIN
   #define FIL_RUNOUT_PIN   PA1
diff --git a/buildroot/share/PlatformIO/variants/FYSETC_S6/variant.h b/buildroot/share/PlatformIO/variants/FYSETC_S6/variant.h
index be04ef6b86..de34697fb3 100644
--- a/buildroot/share/PlatformIO/variants/FYSETC_S6/variant.h
+++ b/buildroot/share/PlatformIO/variants/FYSETC_S6/variant.h
@@ -115,7 +115,7 @@ extern "C" {
 #define NUM_ANALOG_FIRST        80
 
 // PWM resolution
-#define PWM_RESOLUTION          8
+#define PWM_RESOLUTION          12
 #define PWM_FREQUENCY           20000 // >= 20 Khz => inaudible noise for fans
 #define PWM_MAX_DUTY_CYCLE      255