diff --git a/boards/arm/s32k1xx/s32k118evb/README.txt b/boards/arm/s32k1xx/s32k118evb/README.txt
index ba8d9e6920b..8527001f8be 100644
--- a/boards/arm/s32k1xx/s32k118evb/README.txt
+++ b/boards/arm/s32k1xx/s32k118evb/README.txt
@@ -57,6 +57,8 @@ LEDs and Buttons
     GreenLED PTD15 (FTM0 CH0)
     BlueLED  PTE8  (FTM0 CH6)
 
+  An output of '1' illuminates the LED.
+
   If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
   any way.  The following definitions are used to access individual RGB
   components.
diff --git a/boards/arm/s32k1xx/s32k118evb/src/s32k118_autoleds.c b/boards/arm/s32k1xx/s32k118evb/src/s32k118_autoleds.c
index 06ec4d15c2c..99426a8df47 100644
--- a/boards/arm/s32k1xx/s32k118evb/src/s32k118_autoleds.c
+++ b/boards/arm/s32k1xx/s32k118evb/src/s32k118_autoleds.c
@@ -38,6 +38,7 @@
  *   GreenLED PTD15 (FTM0CH0)
  *   BlueLED  PTE8  (FTM0CH6)
  *
+ * An output of '1' illuminates the LED.
  *
  * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
  * the Freedom K66F.  The following definitions describe how NuttX controls
@@ -92,14 +93,6 @@
 #define LED_OFF_ON_OFF    3 /* LED_STACKCREATED */
 #define LED_ON_OFF_OFF    4 /* LED_PANIC */
 
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -125,9 +118,9 @@ void board_autoled_on(int led)
 {
   if (led != LED_NOCHANGE)
     {
-      bool redoff   = true;
-      bool greenoff = true;
-      bool blueoff  = true;
+      bool redon   = false;
+      bool greenon = false;
+      bool blueon  = false;
 
       switch (led)
         {
@@ -136,21 +129,21 @@ void board_autoled_on(int led)
             break;
 
           case LED_OFF_OFF_ON:
-            blueoff = false;
+            blueon = true;
             break;
 
           case LED_OFF_ON_OFF:
-            greenoff = false;
+            greenon = true;
             break;
 
           case LED_ON_OFF_OFF:
-            redoff = false;
+            redon = true;
             break;
         }
 
-      s32k1xx_gpiowrite(GPIO_LED_R, redoff);
-      s32k1xx_gpiowrite(GPIO_LED_G, greenoff);
-      s32k1xx_gpiowrite(GPIO_LED_B, blueoff);
+      s32k1xx_gpiowrite(GPIO_LED_R, redon);
+      s32k1xx_gpiowrite(GPIO_LED_G, greenon);
+      s32k1xx_gpiowrite(GPIO_LED_B, blueon);
     }
 }
 
@@ -163,8 +156,8 @@ void board_autoled_off(int led)
   if (led == LED_ON_OFF_OFF)
     {
       s32k1xx_gpiowrite(GPIO_LED_R, true);
-      s32k1xx_gpiowrite(GPIO_LED_G, true);
-      s32k1xx_gpiowrite(GPIO_LED_B, true);
+      s32k1xx_gpiowrite(GPIO_LED_G, false);
+      s32k1xx_gpiowrite(GPIO_LED_B, false);
     }
 }
 
diff --git a/boards/arm/s32k1xx/s32k118evb/src/s32k118_userleds.c b/boards/arm/s32k1xx/s32k118evb/src/s32k118_userleds.c
index 0ec6baaea73..90a398158cb 100644
--- a/boards/arm/s32k1xx/s32k118evb/src/s32k118_userleds.c
+++ b/boards/arm/s32k1xx/s32k118evb/src/s32k118_userleds.c
@@ -97,7 +97,7 @@ void board_userled(int led, bool ledon)
       return;
     }
 
-  s32k1xx_gpiowrite(ledcfg, !ledon); /* Low illuminates */
+  s32k1xx_gpiowrite(ledcfg, ledon); /* High illuminates */
 }
 
 /****************************************************************************
@@ -108,9 +108,9 @@ void board_userled_all(uint8_t ledset)
 {
   /* Low illuminates */
 
-  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) == 0);
+  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) != 0);
 }
 
 #endif /* !CONFIG_ARCH_LEDS */
diff --git a/boards/arm/s32k1xx/s32k118evb/src/s32k118evb.h b/boards/arm/s32k1xx/s32k118evb/src/s32k118evb.h
index eccbd327ac9..4a0c3fb6a72 100644
--- a/boards/arm/s32k1xx/s32k118evb/src/s32k118evb.h
+++ b/boards/arm/s32k1xx/s32k118evb/src/s32k118evb.h
@@ -61,11 +61,13 @@
  *   RedLED   PTD16 (FTM0CH1)
  *   GreenLED PTD15 (FTM0CH0)
  *   BlueLED  PTE8  (FTM0CH6)
+ *
+ * An output of '1' illuminates the LED.
  */
 
-#define GPIO_LED_R     (PIN_PTD16 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_G     (PIN_PTD15 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_B     (PIN_PTE8  | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
+#define GPIO_LED_R     (PIN_PTD16 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_G     (PIN_PTD15 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_B     (PIN_PTE8  | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
 
 /* Buttons.  The S32K118EVB supports two buttons:
  *
diff --git a/boards/arm/s32k1xx/s32k146evb/README.txt b/boards/arm/s32k1xx/s32k146evb/README.txt
index bcb673dd99f..4da55254a6d 100644
--- a/boards/arm/s32k1xx/s32k146evb/README.txt
+++ b/boards/arm/s32k1xx/s32k146evb/README.txt
@@ -51,6 +51,8 @@ LEDs and Buttons
     GreenLED PTD16 (FTM0 CH1)
     BlueLED  PTD0  (FTM0 CH2)
 
+  An output of '1' illuminates the LED.
+
   If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
   any way.  The following definitions are used to access individual RGB
   components.
diff --git a/boards/arm/s32k1xx/s32k146evb/src/s32k146_autoleds.c b/boards/arm/s32k1xx/s32k146evb/src/s32k146_autoleds.c
index 68bcf4b191a..e8c53422acd 100644
--- a/boards/arm/s32k1xx/s32k146evb/src/s32k146_autoleds.c
+++ b/boards/arm/s32k1xx/s32k146evb/src/s32k146_autoleds.c
@@ -38,6 +38,8 @@
  *   GreenLED PTD16 (FTM0 CH1)
  *   BlueLED  PTD0  (FTM0 CH2)
  *
+ * An output of '1' illuminates the LED.
+ *
  * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
  * the Freedom K66F.  The following definitions describe how NuttX controls
  * the LEDs:
@@ -91,14 +93,6 @@
 #define LED_OFF_ON_OFF    3 /* LED_STACKCREATED */
 #define LED_ON_OFF_OFF    4 /* LED_PANIC */
 
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -124,9 +118,9 @@ void board_autoled_on(int led)
 {
   if (led != LED_NOCHANGE)
     {
-      bool redoff   = true;
-      bool greenoff = true;
-      bool blueoff  = true;
+      bool redon   = false;
+      bool greenon = false;
+      bool blueon  = false;
 
       switch (led)
         {
@@ -135,21 +129,21 @@ void board_autoled_on(int led)
             break;
 
           case LED_OFF_OFF_ON:
-            blueoff = false;
+            blueon = true;
             break;
 
           case LED_OFF_ON_OFF:
-            greenoff = false;
+            greenon = true;
             break;
 
           case LED_ON_OFF_OFF:
-            redoff = false;
+            redon = true;
             break;
         }
 
-      s32k1xx_gpiowrite(GPIO_LED_R, redoff);
-      s32k1xx_gpiowrite(GPIO_LED_G, greenoff);
-      s32k1xx_gpiowrite(GPIO_LED_B, blueoff);
+      s32k1xx_gpiowrite(GPIO_LED_R, redon);
+      s32k1xx_gpiowrite(GPIO_LED_G, greenon);
+      s32k1xx_gpiowrite(GPIO_LED_B, blueon);
     }
 }
 
@@ -162,8 +156,8 @@ void board_autoled_off(int led)
   if (led == LED_ON_OFF_OFF)
     {
       s32k1xx_gpiowrite(GPIO_LED_R, true);
-      s32k1xx_gpiowrite(GPIO_LED_G, true);
-      s32k1xx_gpiowrite(GPIO_LED_B, true);
+      s32k1xx_gpiowrite(GPIO_LED_G, false);
+      s32k1xx_gpiowrite(GPIO_LED_B, false);
     }
 }
 
diff --git a/boards/arm/s32k1xx/s32k146evb/src/s32k146_userleds.c b/boards/arm/s32k1xx/s32k146evb/src/s32k146_userleds.c
index a4eb8cc037d..50b0a214916 100644
--- a/boards/arm/s32k1xx/s32k146evb/src/s32k146_userleds.c
+++ b/boards/arm/s32k1xx/s32k146evb/src/s32k146_userleds.c
@@ -97,7 +97,7 @@ void board_userled(int led, bool ledon)
       return;
     }
 
-  s32k1xx_gpiowrite(ledcfg, !ledon); /* Low illuminates */
+  s32k1xx_gpiowrite(ledcfg, ledon); /* High illuminates */
 }
 
 /****************************************************************************
@@ -108,9 +108,9 @@ void board_userled_all(uint8_t ledset)
 {
   /* Low illuminates */
 
-  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) == 0);
+  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) != 0);
 }
 
 #endif /* !CONFIG_ARCH_LEDS */
diff --git a/boards/arm/s32k1xx/s32k146evb/src/s32k146evb.h b/boards/arm/s32k1xx/s32k146evb/src/s32k146evb.h
index e9e78d0c2b5..13cfc0cafed 100644
--- a/boards/arm/s32k1xx/s32k146evb/src/s32k146evb.h
+++ b/boards/arm/s32k1xx/s32k146evb/src/s32k146evb.h
@@ -61,11 +61,13 @@
  *   RedLED   PTD15 (FTM0 CH0)
  *   GreenLED PTD16 (FTM0 CH1)
  *   BlueLED  PTD0  (FTM0 CH2)
+ *
+ * An output of '1' illuminates the LED.
  */
 
-#define GPIO_LED_R     (PIN_PTD15 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_G     (PIN_PTD16 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_B     (PIN_PTE8  | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
+#define GPIO_LED_R     (PIN_PTD15 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_G     (PIN_PTD16 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_B     (PIN_PTE8  | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
 
 /* Buttons.  The S32K146EVB supports two buttons:
  *
diff --git a/boards/arm/s32k1xx/s32k148evb/README.txt b/boards/arm/s32k1xx/s32k148evb/README.txt
index 3f13e70411a..e15fa51532f 100644
--- a/boards/arm/s32k1xx/s32k148evb/README.txt
+++ b/boards/arm/s32k1xx/s32k148evb/README.txt
@@ -39,6 +39,8 @@ LEDs and Buttons
     GreenLED PTE22
     BlueLED  PTE23
 
+  An output of '1' illuminates the LED.
+
   If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
   any way.  The following definitions are used to access individual RGB
   components.
diff --git a/boards/arm/s32k1xx/s32k148evb/src/s32k148_autoleds.c b/boards/arm/s32k1xx/s32k148evb/src/s32k148_autoleds.c
index e0c76ed2393..73b89125284 100644
--- a/boards/arm/s32k1xx/s32k148evb/src/s32k148_autoleds.c
+++ b/boards/arm/s32k1xx/s32k148evb/src/s32k148_autoleds.c
@@ -38,6 +38,8 @@
  *   GreenLED PTE22
  *   BlueLED  PTE23
  *
+ * An output of '1' illuminates the LED.
+ *
  * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
  * the Freedom K66F.  The following definitions describe how NuttX controls
  * the LEDs:
@@ -91,14 +93,6 @@
 #define LED_OFF_ON_OFF    3 /* LED_STACKCREATED */
 #define LED_ON_OFF_OFF    4 /* LED_PANIC */
 
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -124,9 +118,9 @@ void board_autoled_on(int led)
 {
   if (led != LED_NOCHANGE)
     {
-      bool redoff   = true;
-      bool greenoff = true;
-      bool blueoff  = true;
+      bool redon   = false;
+      bool greenon = false;
+      bool blueon  = false;
 
       switch (led)
         {
@@ -135,21 +129,21 @@ void board_autoled_on(int led)
             break;
 
           case LED_OFF_OFF_ON:
-            blueoff = false;
+            blueon = true;
             break;
 
           case LED_OFF_ON_OFF:
-            greenoff = false;
+            greenon = true;
             break;
 
           case LED_ON_OFF_OFF:
-            redoff = false;
+            redon = true;
             break;
         }
 
-      s32k1xx_gpiowrite(GPIO_LED_R, redoff);
-      s32k1xx_gpiowrite(GPIO_LED_G, greenoff);
-      s32k1xx_gpiowrite(GPIO_LED_B, blueoff);
+      s32k1xx_gpiowrite(GPIO_LED_R, redon);
+      s32k1xx_gpiowrite(GPIO_LED_G, greenon);
+      s32k1xx_gpiowrite(GPIO_LED_B, blueon);
     }
 }
 
@@ -162,8 +156,8 @@ void board_autoled_off(int led)
   if (led == LED_ON_OFF_OFF)
     {
       s32k1xx_gpiowrite(GPIO_LED_R, true);
-      s32k1xx_gpiowrite(GPIO_LED_G, true);
-      s32k1xx_gpiowrite(GPIO_LED_B, true);
+      s32k1xx_gpiowrite(GPIO_LED_G, false);
+      s32k1xx_gpiowrite(GPIO_LED_B, false);
     }
 }
 
diff --git a/boards/arm/s32k1xx/s32k148evb/src/s32k148_userleds.c b/boards/arm/s32k1xx/s32k148evb/src/s32k148_userleds.c
index 05bddcabe22..deec5af192d 100644
--- a/boards/arm/s32k1xx/s32k148evb/src/s32k148_userleds.c
+++ b/boards/arm/s32k1xx/s32k148evb/src/s32k148_userleds.c
@@ -97,7 +97,7 @@ void board_userled(int led, bool ledon)
       return;
     }
 
-  s32k1xx_gpiowrite(ledcfg, !ledon); /* Low illuminates */
+  s32k1xx_gpiowrite(ledcfg, ledon); /* High illuminates */
 }
 
 /****************************************************************************
@@ -108,9 +108,9 @@ void board_userled_all(uint8_t ledset)
 {
   /* Low illuminates */
 
-  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) == 0);
-  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) == 0);
+  s32k1xx_gpiowrite(GPIO_LED_R, (ledset & BOARD_LED_R_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_G, (ledset & BOARD_LED_G_BIT) != 0);
+  s32k1xx_gpiowrite(GPIO_LED_B, (ledset & BOARD_LED_B_BIT) != 0);
 }
 
 #endif /* !CONFIG_ARCH_LEDS */
diff --git a/boards/arm/s32k1xx/s32k148evb/src/s32k148evb.h b/boards/arm/s32k1xx/s32k148evb/src/s32k148evb.h
index f133791639d..ba85f505a57 100644
--- a/boards/arm/s32k1xx/s32k148evb/src/s32k148evb.h
+++ b/boards/arm/s32k1xx/s32k148evb/src/s32k148evb.h
@@ -61,11 +61,13 @@
  *   RedLED   PTE21
  *   GreenLED PTE22
  *   BlueLED  PTE23
+ *
+ * An output of '1' illuminates the LED.
  */
 
-#define GPIO_LED_R     (PIN_PTE21 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_G     (PIN_PTE22 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
-#define GPIO_LED_B     (PIN_PTE23 | GPIO_LOWDRIVE | GPIO_OUTPUT_ONE)
+#define GPIO_LED_R     (PIN_PTE21 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_G     (PIN_PTE22 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
+#define GPIO_LED_B     (PIN_PTE23 | GPIO_LOWDRIVE | GPIO_OUTPUT_ZERO)
 
 /* Buttons.  The S32K148EVB supports two buttons:
  *