diff --git a/Marlin/src/HAL/DUE/fastio/G2_PWM.cpp b/Marlin/src/HAL/DUE/fastio/G2_PWM.cpp
index 800915ff69..5cf86f147c 100644
--- a/Marlin/src/HAL/DUE/fastio/G2_PWM.cpp
+++ b/Marlin/src/HAL/DUE/fastio/G2_PWM.cpp
@@ -61,7 +61,7 @@
 #else
   #define G2_PWM_Z 0
 #endif
-#if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+#if HAS_MOTOR_CURRENT_PWM_E
   #define G2_PWM_E 1
 #else
   #define G2_PWM_E 0
diff --git a/Marlin/src/gcode/feature/digipot/M907-M910.cpp b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
index e36cf76e88..ab1c316705 100644
--- a/Marlin/src/gcode/feature/digipot/M907-M910.cpp
+++ b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
@@ -68,7 +68,7 @@ void GcodeSuite::M907() {
       #define HAS_X_Y_XY_I_J_K_U_V_W 1
     #endif
 
-    #if HAS_X_Y_XY_I_J_K_U_V_W || ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_Z)
+    #if HAS_X_Y_XY_I_J_K_U_V_W || HAS_MOTOR_CURRENT_PWM_E || PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
 
       if (!parser.seen("S"
         #if HAS_X_Y_XY_I_J_K_U_V_W
@@ -77,7 +77,7 @@ void GcodeSuite::M907() {
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
           "Z"
         #endif
-        #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        #if HAS_MOTOR_CURRENT_PWM_E
           "E"
         #endif
       )) return M907_report();
@@ -94,7 +94,7 @@ void GcodeSuite::M907() {
       #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
         if (parser.seenval('Z')) stepper.set_digipot_current(1, parser.value_int());
       #endif
-      #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+      #if HAS_MOTOR_CURRENT_PWM_E
         if (parser.seenval('E')) stepper.set_digipot_current(2, parser.value_int());
       #endif
 
@@ -133,7 +133,7 @@ void GcodeSuite::M907() {
       SERIAL_ECHOLNPGM_P(                                     // PWM-based has 3 values:
           PSTR("  M907 X"), stepper.motor_current_setting[0]  // X, Y, (I, J, K, U, V, W)
         , SP_Z_STR,         stepper.motor_current_setting[1]  // Z
-        #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        #if HAS_MOTOR_CURRENT_PWM_E
           , SP_E_STR,       stepper.motor_current_setting[2]  // E
         #endif
       );
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index 64c95fa6c4..8446a1acf0 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -2814,7 +2814,7 @@
 #if PIN_EXISTS(DIGIPOTSS)
   #define HAS_MOTOR_CURRENT_SPI 1
 #endif
-#if HAS_EXTRUDERS && PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+#if ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_E0, MOTOR_CURRENT_PWM_E1)
   #define HAS_MOTOR_CURRENT_PWM_E 1
 #endif
 #if HAS_MOTOR_CURRENT_PWM_E || ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY, MOTOR_CURRENT_PWM_Z, MOTOR_CURRENT_PWM_I, MOTOR_CURRENT_PWM_J, MOTOR_CURRENT_PWM_K, MOTOR_CURRENT_PWM_U, MOTOR_CURRENT_PWM_V, MOTOR_CURRENT_PWM_W)
diff --git a/Marlin/src/lcd/menu/menu_advanced.cpp b/Marlin/src/lcd/menu/menu_advanced.cpp
index 22c0823f26..38d56bf912 100644
--- a/Marlin/src/lcd/menu/menu_advanced.cpp
+++ b/Marlin/src/lcd/menu/menu_advanced.cpp
@@ -91,7 +91,7 @@ void menu_backlash();
     #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
       EDIT_CURRENT_PWM(STR_C, 1);
     #endif
-    #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+    #if HAS_MOTOR_CURRENT_PWM_E
       EDIT_CURRENT_PWM(STR_E, 2);
     #endif
     END_MENU();
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index 252bf5526b..3416cda3c0 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -3906,7 +3906,7 @@ void Stepper::report_positions() {
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
           case 1:
         #endif
-        #if ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_E0, MOTOR_CURRENT_PWM_E1)
+        #if HAS_MOTOR_CURRENT_PWM_E
           case 2:
         #endif
             set_digipot_current(i, motor_current_setting[i]);
@@ -3973,7 +3973,7 @@ void Stepper::report_positions() {
             #endif
             break;
           case 2:
-            #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+            #if HAS_MOTOR_CURRENT_PWM_E
               _WRITE_CURRENT_PWM(E);
             #endif
             #if PIN_EXISTS(MOTOR_CURRENT_PWM_E0)
@@ -4036,7 +4036,7 @@ void Stepper::report_positions() {
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
           INIT_CURRENT_PWM(Z);
         #endif
-        #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        #if HAS_MOTOR_CURRENT_PWM_E
           INIT_CURRENT_PWM(E);
         #endif
         #if PIN_EXISTS(MOTOR_CURRENT_PWM_E0)
diff --git a/Marlin/src/pins/pins_postprocess.h b/Marlin/src/pins/pins_postprocess.h
index ac81eb3f25..891076b2db 100644
--- a/Marlin/src/pins/pins_postprocess.h
+++ b/Marlin/src/pins/pins_postprocess.h
@@ -1736,3 +1736,43 @@
     #define NEOPIXEL_PIN BOARD_NEOPIXEL_PIN
   #endif
 #endif
+
+// Undefine motor PWM pins for nonexistent axes since the existence of a MOTOR_CURRENT_PWM_*_PIN implies its standard use.
+// TODO: Allow remapping (e.g., E => Z2). Spec G-codes to use logical axis with index (e.g., to set Z2: Mxxx Z P1 Snnn).
+#if !HAS_X_AXIS
+  #undef MOTOR_CURRENT_PWM_X_PIN
+#endif
+#if !HAS_Y_AXIS
+  #undef MOTOR_CURRENT_PWM_Y_PIN
+#endif
+#if !HAS_X_AXIS && !HAS_Y_AXIS
+  #undef MOTOR_CURRENT_PWM_XY_PIN
+#endif
+#if !HAS_Z_AXIS
+  #undef MOTOR_CURRENT_PWM_Z_PIN
+#endif
+#if !HAS_I_AXIS
+  #undef MOTOR_CURRENT_PWM_I_PIN
+#endif
+#if !HAS_J_AXIS
+  #undef MOTOR_CURRENT_PWM_J_PIN
+#endif
+#if !HAS_K_AXIS
+  #undef MOTOR_CURRENT_PWM_K_PIN
+#endif
+#if !HAS_U_AXIS
+  #undef MOTOR_CURRENT_PWM_U_PIN
+#endif
+#if !HAS_V_AXIS
+  #undef MOTOR_CURRENT_PWM_V_PIN
+#endif
+#if !HAS_W_AXIS
+  #undef MOTOR_CURRENT_PWM_W_PIN
+#endif
+#if !HAS_EXTRUDERS
+  #undef MOTOR_CURRENT_PWM_E_PIN
+  #undef MOTOR_CURRENT_PWM_E0_PIN   // Archim 1.0
+  #undef MOTOR_CURRENT_PWM_E1_PIN   // Kept in sync with E0
+#elif !HAS_MULTI_EXTRUDER
+  #undef MOTOR_CURRENT_PWM_E1_PIN
+#endif