diff --git a/Marlin/src/core/utility.cpp b/Marlin/src/core/utility.cpp
index f0f57904a654..dd3ffd589ba8 100644
--- a/Marlin/src/core/utility.cpp
+++ b/Marlin/src/core/utility.cpp
@@ -126,7 +126,7 @@ void safe_delay(millis_t ms) {
         #if ABL_PLANAR
           SERIAL_ECHOPGM("ABL Adjustment");
           LOOP_LINEAR_AXES(a) {
-            SERIAL_CHAR(' ', AXIS_CHAR(a));
+            SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_STR[a]));
             serial_offset(planner.get_axis_position_mm(AxisEnum(a)) - current_position[a]);
           }
         #else
diff --git a/Marlin/src/gcode/calibrate/M425.cpp b/Marlin/src/gcode/calibrate/M425.cpp
index d5eb3822c8fc..3577a6f381e5 100644
--- a/Marlin/src/gcode/calibrate/M425.cpp
+++ b/Marlin/src/gcode/calibrate/M425.cpp
@@ -83,9 +83,7 @@ void GcodeSuite::M425() {
     SERIAL_ECHOLNPGM("  Correction Amount/Fade-out:     F", backlash.get_correction(), " (F1.0 = full, F0.0 = none)");
     SERIAL_ECHOPGM("  Backlash Distance (mm):        ");
     LOOP_LINEAR_AXES(a) if (axis_can_calibrate(a)) {
-      SERIAL_CHAR(' ', AXIS_CHAR(a));
-      SERIAL_ECHO(backlash.get_distance_mm(AxisEnum(a)));
-      SERIAL_EOL();
+      SERIAL_ECHOLNPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_STR[a]), backlash.get_distance_mm((AxisEnum)a));
     }
 
     #ifdef BACKLASH_SMOOTHING_MM
@@ -96,8 +94,7 @@ void GcodeSuite::M425() {
       SERIAL_ECHOPGM("  Average measured backlash (mm):");
       if (backlash.has_any_measurement()) {
         LOOP_LINEAR_AXES(a) if (axis_can_calibrate(a) && backlash.has_measurement(AxisEnum(a))) {
-          SERIAL_CHAR(' ', AXIS_CHAR(a));
-          SERIAL_ECHO(backlash.get_measurement(AxisEnum(a)));
+          SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_STR[a]), backlash.get_measurement((AxisEnum)a));
         }
       }
       else
diff --git a/Marlin/src/gcode/control/M111.cpp b/Marlin/src/gcode/control/M111.cpp
index d6aeb774108b..a92d334ae9d3 100644
--- a/Marlin/src/gcode/control/M111.cpp
+++ b/Marlin/src/gcode/control/M111.cpp
@@ -49,7 +49,7 @@ void GcodeSuite::M111() {
     LOOP_L_N(i, COUNT(debug_strings)) {
       if (TEST(marlin_debug_flags, i)) {
         if (comma++) SERIAL_CHAR(',');
-        SERIAL_ECHOPGM_P((char*)pgm_read_ptr(&debug_strings[i]));
+        SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&debug_strings[i]));
       }
     }
   }
diff --git a/Marlin/src/gcode/control/M17_M18_M84.cpp b/Marlin/src/gcode/control/M17_M18_M84.cpp
index 739a692ba6a8..26c7c6575bc2 100644
--- a/Marlin/src/gcode/control/M17_M18_M84.cpp
+++ b/Marlin/src/gcode/control/M17_M18_M84.cpp
@@ -173,7 +173,7 @@ void try_to_disable(const stepper_flags_t to_disable) {
 
   auto overlap_warning = [](const ena_mask_t axis_bits) {
     SERIAL_ECHOPGM(" not disabled. Shared with");
-    LOOP_LINEAR_AXES(a) if (TEST(axis_bits, a)) SERIAL_CHAR(' ', axis_codes[a]);
+    LOOP_LINEAR_AXES(a) if (TEST(axis_bits, a)) SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_STR[a]));
     #if HAS_EXTRUDERS
       #define _EN_STILLON(N) if (TEST(axis_bits, INDEX_OF_AXIS(E_AXIS, N))) SERIAL_CHAR(' ', 'E', '0' + N);
       REPEAT(EXTRUDERS, _EN_STILLON)
diff --git a/Marlin/src/gcode/host/M114.cpp b/Marlin/src/gcode/host/M114.cpp
index cdb9efb71b26..e5cef61d95b9 100644
--- a/Marlin/src/gcode/host/M114.cpp
+++ b/Marlin/src/gcode/host/M114.cpp
@@ -37,7 +37,7 @@
   void report_all_axis_pos(const xyze_pos_t &pos, const uint8_t n=XYZE, const uint8_t precision=3) {
     char str[12];
     LOOP_L_N(a, n) {
-      SERIAL_CHAR(' ', axis_codes[a], ':');
+      SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_LBL[a]));
       if (pos[a] >= 0) SERIAL_CHAR(' ');
       SERIAL_ECHO(dtostrf(pos[a], 1, precision, str));
     }
@@ -47,10 +47,7 @@
 
   void report_linear_axis_pos(const xyz_pos_t &pos, const uint8_t precision=3) {
     char str[12];
-    LOOP_LINEAR_AXES(a) {
-      SERIAL_CHAR(' ', AXIS_CHAR(a), ':');
-      SERIAL_ECHO(dtostrf(pos[a], 1, precision, str));
-    }
+    LOOP_LINEAR_AXES(a) SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_LBL[a]), dtostrf(pos[a], 1, precision, str));
     SERIAL_EOL();
   }
 
@@ -163,8 +160,7 @@
 
     SERIAL_ECHOPGM("Stepper:");
     LOOP_LOGICAL_AXES(i) {
-      SERIAL_CHAR(' ', axis_codes[i], ':');
-      SERIAL_ECHO(stepper.position((AxisEnum)i));
+      SERIAL_ECHOPGM_P((PGM_P)pgm_read_ptr(&SP_AXIS_LBL[i]), stepper.position((AxisEnum)i));
     }
     SERIAL_EOL();