diff --git a/Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp b/Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp
index b97b161dc9..70395251df 100644
--- a/Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp
+++ b/Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp
@@ -83,14 +83,13 @@ bool PersistentStore::access_finish() {
 static void debug_rw(const bool write, int &pos, const uint8_t *value, const size_t size, const FRESULT s, const size_t total=0) {
   PGM_P const rw_str = write ? PSTR("write") : PSTR("read");
   SERIAL_CHAR(' ');
-  serialprintPGM(rw_str);
+  SERIAL_ECHOPGM_P(rw_str);
   SERIAL_ECHOLNPAIR("_data(", pos, ",", value, ",", size, ", ...)");
   if (total) {
     SERIAL_ECHOPGM(" f_");
-    serialprintPGM(rw_str);
+    SERIAL_ECHOPGM_P(rw_str);
     SERIAL_ECHOPAIR("()=", s, "\n size=", size, "\n bytes_");
-    serialprintPGM(write ? PSTR("written=") : PSTR("read="));
-    SERIAL_ECHOLN(total);
+    SERIAL_ECHOLNPAIR_P(write ? PSTR("written=") : PSTR("read="), total);
   }
   else
     SERIAL_ECHOLNPAIR(" f_lseek()=", s);
diff --git a/Marlin/src/HAL/shared/Delay.cpp b/Marlin/src/HAL/shared/Delay.cpp
index 8a021a2155..129698fd30 100644
--- a/Marlin/src/HAL/shared/Delay.cpp
+++ b/Marlin/src/HAL/shared/Delay.cpp
@@ -109,11 +109,11 @@
     void dump_delay_accuracy_check() {
       auto report_call_time = [](PGM_P const name, PGM_P const unit, const uint32_t cycles, const uint32_t total, const bool do_flush=true) {
         SERIAL_ECHOPGM("Calling ");
-        serialprintPGM(name);
+        SERIAL_ECHOPGM_P(name);
         SERIAL_ECHOLNPAIR(" for ", cycles);
-        serialprintPGM(unit);
+        SERIAL_ECHOPGM_P(unit);
         SERIAL_ECHOLNPAIR(" took: ", total);
-        serialprintPGM(unit);
+        SERIAL_ECHOPGM_P(unit);
         if (do_flush) SERIAL_FLUSHTX();
       };
 
@@ -169,10 +169,7 @@
 
   void calibrate_delay_loop() {}
   #if ENABLED(MARLIN_DEV_MODE)
-    void dump_delay_accuracy_check() {
-      static PGMSTR(none, "N/A on this platform");
-      serialprintPGM(none);
-    }
+    void dump_delay_accuracy_check() { SERIAL_ECHOPGM_P(PSTR("N/A on this platform")); }
   #endif
 
 #endif
diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index 4643328401..751d098606 100644
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -885,8 +885,7 @@ void setup() {
     auto log_current_ms = [&](PGM_P const msg) {
       SERIAL_ECHO_START();
       SERIAL_CHAR('['); SERIAL_ECHO(millis()); SERIAL_ECHOPGM("] ");
-      serialprintPGM(msg);
-      SERIAL_EOL();
+      SERIAL_ECHOLNPGM_P(msg);
     };
     #define SETUP_LOG(M) log_current_ms(PSTR(M))
   #else
@@ -1003,7 +1002,7 @@ void setup() {
   if (mcu & RST_SOFTWARE) SERIAL_ECHOLNPGM(STR_SOFTWARE_RESET);
   HAL_clear_reset_source();
 
-  serialprintPGM(GET_TEXT(MSG_MARLIN));
+  SERIAL_ECHOPGM_P(GET_TEXT(MSG_MARLIN));
   SERIAL_CHAR(' ');
   SERIAL_ECHOLNPGM(SHORT_BUILD_VERSION);
   SERIAL_EOL();
diff --git a/Marlin/src/core/debug_out.h b/Marlin/src/core/debug_out.h
index 6ae1b9d8bb..d93decf7ac 100644
--- a/Marlin/src/core/debug_out.h
+++ b/Marlin/src/core/debug_out.h
@@ -59,7 +59,7 @@
   #include "debug_section.h"
   #define DEBUG_SECTION(N,S,D)    SectionLog N(PSTR(S),D)
 
-  #define DEBUG_PRINT_P(P)        serialprintPGM(P)
+  #define DEBUG_ECHOPGM_P(P)      SERIAL_ECHOPGM_P(P)
   #define DEBUG_ECHO_START        SERIAL_ECHO_START
   #define DEBUG_ERROR_START       SERIAL_ERROR_START
   #define DEBUG_CHAR              SERIAL_CHAR
@@ -89,7 +89,7 @@
 #else
 
   #define DEBUG_SECTION(...)        NOOP
-  #define DEBUG_PRINT_P(P)          NOOP
+  #define DEBUG_ECHOPGM_P(P)          NOOP
   #define DEBUG_ECHO_START()        NOOP
   #define DEBUG_ERROR_START()       NOOP
   #define DEBUG_CHAR(...)           NOOP
diff --git a/Marlin/src/core/debug_section.h b/Marlin/src/core/debug_section.h
index 7f39bc7424..2862d35af1 100644
--- a/Marlin/src/core/debug_section.h
+++ b/Marlin/src/core/debug_section.h
@@ -38,10 +38,10 @@ private:
   bool debug;
 
   void echo_msg(PGM_P const pre) {
-    serialprintPGM(pre);
+    SERIAL_ECHOPGM_P(pre);
     if (the_msg) {
       SERIAL_CHAR(' ');
-      serialprintPGM(the_msg);
+      SERIAL_ECHOPGM_P(the_msg);
     }
     SERIAL_CHAR(' ');
     print_xyz(current_position);
diff --git a/Marlin/src/core/utility.cpp b/Marlin/src/core/utility.cpp
index f999568167..3d7897f95a 100644
--- a/Marlin/src/core/utility.cpp
+++ b/Marlin/src/core/utility.cpp
@@ -92,9 +92,9 @@ void safe_delay(millis_t ms) {
           SERIAL_ECHOPGM(" (Aligned With");
 
         if (probe.offset_xy.y > 0)
-          serialprintPGM(ENABLED(IS_SCARA) ? PSTR("-Distal") : PSTR("-Back"));
+          SERIAL_ECHOPGM_P(ENABLED(IS_SCARA) ? PSTR("-Distal") : PSTR("-Back"));
         else if (probe.offset_xy.y < 0)
-          serialprintPGM(ENABLED(IS_SCARA) ? PSTR("-Proximal") : PSTR("-Front"));
+          SERIAL_ECHOPGM_P(ENABLED(IS_SCARA) ? PSTR("-Proximal") : PSTR("-Front"));
         else if (probe.offset_xy.x != 0)
           SERIAL_ECHOPGM("-Center");
 
@@ -102,7 +102,7 @@ void safe_delay(millis_t ms) {
 
       #endif
 
-      serialprintPGM(probe.offset.z < 0 ? PSTR("Below") : probe.offset.z > 0 ? PSTR("Above") : PSTR("Same Z as"));
+      SERIAL_ECHOPGM_P(probe.offset.z < 0 ? PSTR("Below") : probe.offset.z > 0 ? PSTR("Above") : PSTR("Same Z as"));
       SERIAL_ECHOLNPGM(" Nozzle)");
 
     #endif
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.cpp b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
index 601f0ebb54..05b96daefa 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.cpp
@@ -181,7 +181,7 @@ void unified_bed_leveling::display_map(const int map_type) {
   }
   else {
     SERIAL_ECHOPGM(" for ");
-    serialprintPGM(csv ? PSTR("CSV:\n") : PSTR("LCD:\n"));
+    SERIAL_ECHOPGM_P(csv ? PSTR("CSV:\n") : PSTR("LCD:\n"));
   }
 
   // Add XY probe offset from extruder because probe.probe_at_point() subtracts them when
@@ -212,7 +212,7 @@ void unified_bed_leveling::display_map(const int map_type) {
         // TODO: Display on Graphical LCD
       }
       else if (isnan(f))
-        serialprintPGM(human ? PSTR("  .   ") : PSTR("NAN"));
+        SERIAL_ECHOPGM_P(human ? PSTR("  .   ") : PSTR("NAN"));
       else if (human || csv) {
         if (human && f >= 0.0) SERIAL_CHAR(f > 0 ? '+' : ' ');  // Display sign also for positive numbers (' ' for 0)
         SERIAL_ECHO_F(f, 3);                                    // Positive: 5 digits, Negative: 6 digits
diff --git a/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp b/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
index 044f6b610c..8c70feb661 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
+++ b/Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp
@@ -908,11 +908,11 @@ void unified_bed_leveling::shift_mesh_height() {
       if (do_ubl_mesh_map) display_map(g29_map_type);  // show user where we're probing
 
       if (parser.seen('B')) {
-        serialprintPGM(GET_TEXT(MSG_UBL_BC_INSERT));
+        SERIAL_ECHOPGM_P(GET_TEXT(MSG_UBL_BC_INSERT));
         LCD_MESSAGEPGM(MSG_UBL_BC_INSERT);
       }
       else {
-        serialprintPGM(GET_TEXT(MSG_UBL_BC_INSERT2));
+        SERIAL_ECHOPGM_P(GET_TEXT(MSG_UBL_BC_INSERT2));
         LCD_MESSAGEPGM(MSG_UBL_BC_INSERT2);
       }
 
@@ -1576,7 +1576,7 @@ void unified_bed_leveling::smart_fill_mesh() {
           return normal.x * pos.x + normal.y * pos.y + zadd;
         };
         auto debug_pt = [](PGM_P const pre, const xy_pos_t &pos, const float &zadd) {
-          d_from(); serialprintPGM(pre);
+          d_from(); SERIAL_ECHOPGM_P(pre);
           DEBUG_ECHO_F(normed(pos, zadd), 6);
           DEBUG_ECHOLNPAIR_F("   Z error = ", zadd - get_z_correction(pos), 6);
         };
diff --git a/Marlin/src/feature/host_actions.cpp b/Marlin/src/feature/host_actions.cpp
index 77e4f3b9da..2a0b3dc3d5 100644
--- a/Marlin/src/feature/host_actions.cpp
+++ b/Marlin/src/feature/host_actions.cpp
@@ -40,7 +40,7 @@
 void host_action(PGM_P const pstr, const bool eol) {
   PORT_REDIRECT(SERIAL_ALL);
   SERIAL_ECHOPGM("//action:");
-  serialprintPGM(pstr);
+  SERIAL_ECHOPGM_P(pstr);
   if (eol) SERIAL_EOL();
 }
 
@@ -86,14 +86,13 @@ void host_action(PGM_P const pstr, const bool eol) {
   void host_action_notify_P(PGM_P const message) {
     PORT_REDIRECT(SERIAL_ALL);
     host_action(PSTR("notification "), false);
-    serialprintPGM(message);
-    SERIAL_EOL();
+    SERIAL_ECHOLNPGM_P(message);
   }
 
   void host_action_prompt(PGM_P const ptype, const bool eol=true) {
     PORT_REDIRECT(SERIAL_ALL);
     host_action(PSTR("prompt_"), false);
-    serialprintPGM(ptype);
+    SERIAL_ECHOPGM_P(ptype);
     if (eol) SERIAL_EOL();
   }
 
@@ -101,7 +100,7 @@ void host_action(PGM_P const pstr, const bool eol) {
     host_action_prompt(ptype, false);
     PORT_REDIRECT(SERIAL_ALL);
     SERIAL_CHAR(' ');
-    serialprintPGM(pstr);
+    SERIAL_ECHOPGM_P(pstr);
     if (extra_char != '\0') SERIAL_CHAR(extra_char);
     SERIAL_EOL();
   }
diff --git a/Marlin/src/feature/max7219.cpp b/Marlin/src/feature/max7219.cpp
index ebcb56490d..d7433cb7d9 100644
--- a/Marlin/src/feature/max7219.cpp
+++ b/Marlin/src/feature/max7219.cpp
@@ -127,7 +127,7 @@ uint8_t Max7219::suspended; // = 0;
 void Max7219::error(const char * const func, const int32_t v1, const int32_t v2/*=-1*/) {
   #if ENABLED(MAX7219_ERRORS)
     SERIAL_ECHOPGM("??? Max7219::");
-    serialprintPGM(func);
+    SERIAL_ECHOPGM_P(func);
     SERIAL_CHAR('(');
     SERIAL_ECHO(v1);
     if (v2 > 0) SERIAL_ECHOPAIR(", ", v2);
diff --git a/Marlin/src/feature/meatpack.cpp b/Marlin/src/feature/meatpack.cpp
index cb3979ea0a..7e81dbed79 100644
--- a/Marlin/src/feature/meatpack.cpp
+++ b/Marlin/src/feature/meatpack.cpp
@@ -179,7 +179,7 @@ void MeatPack::report_state() {
   SERIAL_ECHOPGM("[MP] ");
   SERIAL_ECHOPGM(MeatPack_ProtocolVersion " ");
   serialprint_onoff(TEST(state, MPConfig_Bit_Active));
-  serialprintPGM(TEST(state, MPConfig_Bit_NoSpaces) ? PSTR(" NSP\n") : PSTR(" ESP\n"));
+  SERIAL_ECHOPGM_P(TEST(state, MPConfig_Bit_NoSpaces) ? PSTR(" NSP\n") : PSTR(" ESP\n"));
 }
 
 /**
diff --git a/Marlin/src/feature/pause.cpp b/Marlin/src/feature/pause.cpp
index e0b4f88f9b..c1f951e764 100644
--- a/Marlin/src/feature/pause.cpp
+++ b/Marlin/src/feature/pause.cpp
@@ -460,7 +460,7 @@ void show_continue_prompt(const bool is_reload) {
 
   ui.pause_show_message(is_reload ? PAUSE_MESSAGE_INSERT : PAUSE_MESSAGE_WAITING);
   SERIAL_ECHO_START();
-  serialprintPGM(is_reload ? PSTR(_PMSG(STR_FILAMENT_CHANGE_INSERT) "\n") : PSTR(_PMSG(STR_FILAMENT_CHANGE_WAIT) "\n"));
+  SERIAL_ECHOPGM_P(is_reload ? PSTR(_PMSG(STR_FILAMENT_CHANGE_INSERT) "\n") : PSTR(_PMSG(STR_FILAMENT_CHANGE_WAIT) "\n"));
 }
 
 void wait_for_confirmation(const bool is_reload/*=false*/, const int8_t max_beep_count/*=0*/ DXC_ARGS) {
diff --git a/Marlin/src/feature/powerloss.cpp b/Marlin/src/feature/powerloss.cpp
index 46b94dbc11..1b1f2bd681 100644
--- a/Marlin/src/feature/powerloss.cpp
+++ b/Marlin/src/feature/powerloss.cpp
@@ -531,7 +531,7 @@ void PrintJobRecovery::resume() {
 #if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
 
   void PrintJobRecovery::debug(PGM_P const prefix) {
-    DEBUG_PRINT_P(prefix);
+    DEBUG_ECHOPGM_P(prefix);
     DEBUG_ECHOLNPAIR(" Job Recovery Info...\nvalid_head:", info.valid_head, " valid_foot:", info.valid_foot);
     if (info.valid_head) {
       if (info.valid_head == info.valid_foot) {
diff --git a/Marlin/src/feature/probe_temp_comp.cpp b/Marlin/src/feature/probe_temp_comp.cpp
index af8039d8b1..8fdf160d0f 100644
--- a/Marlin/src/feature/probe_temp_comp.cpp
+++ b/Marlin/src/feature/probe_temp_comp.cpp
@@ -73,7 +73,7 @@ void ProbeTempComp::print_offsets() {
   LOOP_L_N(s, TSI_COUNT) {
     float temp = cali_info[s].start_temp;
     for (int16_t i = -1; i < cali_info[s].measurements; ++i) {
-      serialprintPGM(s == TSI_BED ? PSTR("Bed") :
+      SERIAL_ECHOPGM_P(s == TSI_BED ? PSTR("Bed") :
         #if ENABLED(USE_TEMP_EXT_COMPENSATION)
           s == TSI_EXT ? PSTR("Extruder") :
         #endif
diff --git a/Marlin/src/feature/runout.h b/Marlin/src/feature/runout.h
index 60154c5e43..ecf47b22c2 100644
--- a/Marlin/src/feature/runout.h
+++ b/Marlin/src/feature/runout.h
@@ -287,7 +287,7 @@ class FilamentSensorBase {
           if (out != was_out) {
             was_out = out;
             SERIAL_ECHOPGM("Filament ");
-            serialprintPGM(out ? PSTR("OUT\n") : PSTR("IN\n"));
+            SERIAL_ECHOPGM_P(out ? PSTR("OUT\n") : PSTR("IN\n"));
           }
         #endif
       }
@@ -320,10 +320,8 @@ class FilamentSensorBase {
           const millis_t ms = millis();
           if (ELAPSED(ms, t)) {
             t = millis() + 1000UL;
-            LOOP_L_N(i, EXTRUDERS) {
-              serialprintPGM(i ? PSTR(", ") : PSTR("Remaining mm: "));
-              SERIAL_ECHO(runout_mm_countdown[i]);
-            }
+            LOOP_L_N(i, EXTRUDERS)
+              SERIAL_ECHOPAIR_P(i ? PSTR(", ") : PSTR("Remaining mm: "), runout_mm_countdown[i]);
             SERIAL_EOL();
           }
         #endif
diff --git a/Marlin/src/feature/tmc_util.cpp b/Marlin/src/feature/tmc_util.cpp
index a16af31e55..a4f71414a6 100644
--- a/Marlin/src/feature/tmc_util.cpp
+++ b/Marlin/src/feature/tmc_util.cpp
@@ -546,7 +546,7 @@
   };
 
   template<class TMC>
-  static void print_vsense(TMC &st) { serialprintPGM(st.vsense() ? PSTR("1=.18") : PSTR("0=.325")); }
+  static void print_vsense(TMC &st) { SERIAL_ECHOPGM_P(st.vsense() ? PSTR("1=.18") : PSTR("0=.325")); }
 
   #if HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC5130)
     static void _tmc_status(TMC2130Stepper &st, const TMC_debug_enum i) {
@@ -717,7 +717,7 @@
           SERIAL_ECHO(st.cs());
           SERIAL_ECHOPGM("/31");
           break;
-        case TMC_VSENSE: serialprintPGM(st.vsense() ? PSTR("1=.165") : PSTR("0=.310")); break;
+        case TMC_VSENSE: SERIAL_ECHOPGM_P(st.vsense() ? PSTR("1=.165") : PSTR("0=.310")); break;
         case TMC_MICROSTEPS: SERIAL_ECHO(st.microsteps()); break;
         //case TMC_OTPW: serialprint_truefalse(st.otpw()); break;
         //case TMC_OTPW_TRIGGERED: serialprint_truefalse(st.getOTPW()); break;
@@ -1208,7 +1208,7 @@ static bool test_connection(TMC &st) {
     case 1: stat = PSTR("HIGH"); break;
     case 2: stat = PSTR("LOW"); break;
   }
-  serialprintPGM(stat);
+  SERIAL_ECHOPGM_P(stat);
   SERIAL_EOL();
 
   return test_result;
diff --git a/Marlin/src/feature/twibus.cpp b/Marlin/src/feature/twibus.cpp
index 855a3188d1..755224544c 100644
--- a/Marlin/src/feature/twibus.cpp
+++ b/Marlin/src/feature/twibus.cpp
@@ -83,7 +83,7 @@ void TWIBus::send() {
 // static
 void TWIBus::echoprefix(uint8_t bytes, const char pref[], uint8_t adr) {
   SERIAL_ECHO_START();
-  serialprintPGM(pref);
+  SERIAL_ECHOPGM_P(pref);
   SERIAL_ECHOPAIR(": from:", adr, " bytes:", bytes, " data:");
 }
 
@@ -172,7 +172,7 @@ void TWIBus::flush() {
   // static
   void TWIBus::prefix(const char func[]) {
     SERIAL_ECHOPGM("TWIBus::");
-    serialprintPGM(func);
+    SERIAL_ECHOPGM_P(func);
     SERIAL_ECHOPGM(": ");
   }
   void TWIBus::debug(const char func[], uint32_t adr) {
diff --git a/Marlin/src/gcode/bedlevel/G35.cpp b/Marlin/src/gcode/bedlevel/G35.cpp
index 5195ff87c0..88f02e6de2 100644
--- a/Marlin/src/gcode/bedlevel/G35.cpp
+++ b/Marlin/src/gcode/bedlevel/G35.cpp
@@ -114,7 +114,7 @@ void GcodeSuite::G35() {
 
     if (DEBUGGING(LEVELING)) {
       DEBUG_ECHOPAIR("Probing point ", i, " (");
-      DEBUG_PRINT_P((char *)pgm_read_ptr(&tramming_point_name[i]));
+      DEBUG_ECHOPGM_P((char *)pgm_read_ptr(&tramming_point_name[i]));
       DEBUG_CHAR(')');
       DEBUG_ECHOLNPAIR_P(SP_X_STR, screws_tilt_adjust_pos[i].x, SP_Y_STR, screws_tilt_adjust_pos[i].y, SP_Z_STR, z_probed_height);
     }
diff --git a/Marlin/src/gcode/bedlevel/abl/G29.cpp b/Marlin/src/gcode/bedlevel/abl/G29.cpp
index 233e7f7415..e642c1ccf2 100644
--- a/Marlin/src/gcode/bedlevel/abl/G29.cpp
+++ b/Marlin/src/gcode/bedlevel/abl/G29.cpp
@@ -786,7 +786,7 @@ G29_TYPE GcodeSuite::G29() {
         float min_diff = 999;
 
         auto print_topo_map = [&](PGM_P const title, const bool get_min) {
-          serialprintPGM(title);
+          SERIAL_ECHOPGM_P(title);
           for (int8_t yy = abl_grid_points.y - 1; yy >= 0; yy--) {
             LOOP_L_N(xx, abl_grid_points.x) {
               const int ind = indexIntoAB[xx][yy];
diff --git a/Marlin/src/gcode/calibrate/G28.cpp b/Marlin/src/gcode/calibrate/G28.cpp
index a2de1dfe38..430daf6ba2 100644
--- a/Marlin/src/gcode/calibrate/G28.cpp
+++ b/Marlin/src/gcode/calibrate/G28.cpp
@@ -259,7 +259,7 @@ void GcodeSuite::G28() {
 
   #if HAS_HOMING_CURRENT
     auto debug_current = [](PGM_P const s, const int16_t a, const int16_t b){
-      serialprintPGM(s); DEBUG_ECHOLNPAIR(" current: ", a, " -> ", b);
+      DEBUG_ECHOPGM_P(s); DEBUG_ECHOLNPAIR(" current: ", a, " -> ", b);
     };
     #if HAS_CURRENT_HOME(X)
       const int16_t tmc_save_current_X = stepperX.getMilliamps();
diff --git a/Marlin/src/gcode/calibrate/G33.cpp b/Marlin/src/gcode/calibrate/G33.cpp
index 77cc45771c..5530bc7089 100644
--- a/Marlin/src/gcode/calibrate/G33.cpp
+++ b/Marlin/src/gcode/calibrate/G33.cpp
@@ -93,7 +93,7 @@ void ac_cleanup(TERN_(HAS_MULTI_HOTEND, const uint8_t old_tool_index)) {
 
 void print_signed_float(PGM_P const prefix, const float &f) {
   SERIAL_ECHOPGM("  ");
-  serialprintPGM(prefix);
+  SERIAL_ECHOPGM_P(prefix);
   SERIAL_CHAR(':');
   if (f >= 0) SERIAL_CHAR('+');
   SERIAL_ECHO_F(f, 2);
@@ -449,7 +449,7 @@ void GcodeSuite::G33() {
 
   // Report settings
   PGM_P const checkingac = PSTR("Checking... AC");
-  serialprintPGM(checkingac);
+  SERIAL_ECHOPGM_P(checkingac);
   if (verbose_level == 0) SERIAL_ECHOPGM(" (DRY-RUN)");
   SERIAL_EOL();
   ui.set_status_P(checkingac);
@@ -625,7 +625,7 @@ void GcodeSuite::G33() {
     }
     else { // dry run
       PGM_P const enddryrun = PSTR("End DRY-RUN");
-      serialprintPGM(enddryrun);
+      SERIAL_ECHOPGM_P(enddryrun);
       SERIAL_ECHO_SP(35);
       SERIAL_ECHOLNPAIR_F("std dev:", zero_std_dev, 3);
 
diff --git a/Marlin/src/gcode/calibrate/M852.cpp b/Marlin/src/gcode/calibrate/M852.cpp
index b60f41748f..e52f03b86c 100644
--- a/Marlin/src/gcode/calibrate/M852.cpp
+++ b/Marlin/src/gcode/calibrate/M852.cpp
@@ -93,7 +93,7 @@ void GcodeSuite::M852() {
 
   if (!ijk) {
     SERIAL_ECHO_START();
-    serialprintPGM(GET_TEXT(MSG_SKEW_FACTOR));
+    SERIAL_ECHOPGM_P(GET_TEXT(MSG_SKEW_FACTOR));
     SERIAL_ECHOPAIR_F(" XY: ", planner.skew_factor.xy, 6);
     #if ENABLED(SKEW_CORRECTION_FOR_Z)
       SERIAL_ECHOPAIR_F(" XZ: ", planner.skew_factor.xz, 6);
diff --git a/Marlin/src/gcode/config/M217.cpp b/Marlin/src/gcode/config/M217.cpp
index ebe1dbc03c..2035ae55ab 100644
--- a/Marlin/src/gcode/config/M217.cpp
+++ b/Marlin/src/gcode/config/M217.cpp
@@ -36,7 +36,7 @@
 void M217_report(const bool eeprom=false) {
 
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
-    serialprintPGM(eeprom ? PSTR("  M217") : PSTR("Toolchange:"));
+    SERIAL_ECHOPGM_P(eeprom ? PSTR("  M217") : PSTR("Toolchange:"));
     SERIAL_ECHOPAIR(" S", LINEAR_UNIT(toolchange_settings.swap_length));
     SERIAL_ECHOPAIR_P(SP_B_STR, LINEAR_UNIT(toolchange_settings.extra_resume),
                       SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime),
diff --git a/Marlin/src/gcode/config/M302.cpp b/Marlin/src/gcode/config/M302.cpp
index afdc6c9e85..e3ce5a10ef 100644
--- a/Marlin/src/gcode/config/M302.cpp
+++ b/Marlin/src/gcode/config/M302.cpp
@@ -55,7 +55,7 @@ void GcodeSuite::M302() {
     // Report current state
     SERIAL_ECHO_START();
     SERIAL_ECHOPGM("Cold extrudes are ");
-    serialprintPGM(thermalManager.allow_cold_extrude ? PSTR("en") : PSTR("dis"));
+    SERIAL_ECHOPGM_P(thermalManager.allow_cold_extrude ? PSTR("en") : PSTR("dis"));
     SERIAL_ECHOLNPAIR("abled (min temp ", thermalManager.extrude_min_temp, "C)");
   }
 }
diff --git a/Marlin/src/gcode/config/M43.cpp b/Marlin/src/gcode/config/M43.cpp
index 42a74fb54f..4009721a57 100644
--- a/Marlin/src/gcode/config/M43.cpp
+++ b/Marlin/src/gcode/config/M43.cpp
@@ -303,7 +303,7 @@ void GcodeSuite::M43() {
   if (parser.seen('E')) {
     endstops.monitor_flag = parser.value_bool();
     SERIAL_ECHOPGM("endstop monitor ");
-    serialprintPGM(endstops.monitor_flag ? PSTR("en") : PSTR("dis"));
+    SERIAL_ECHOPGM_P(endstops.monitor_flag ? PSTR("en") : PSTR("dis"));
     SERIAL_ECHOLNPGM("abled");
     return;
   }
diff --git a/Marlin/src/gcode/control/M111.cpp b/Marlin/src/gcode/control/M111.cpp
index 38cb065322..8e677080e0 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(',');
-        serialprintPGM((char*)pgm_read_ptr(&debug_strings[i]));
+        SERIAL_ECHOPGM_P((char*)pgm_read_ptr(&debug_strings[i]));
       }
     }
   }
diff --git a/Marlin/src/gcode/control/M80_M81.cpp b/Marlin/src/gcode/control/M80_M81.cpp
index 394b06d8ac..1b5ea2f7ef 100644
--- a/Marlin/src/gcode/control/M80_M81.cpp
+++ b/Marlin/src/gcode/control/M80_M81.cpp
@@ -56,7 +56,7 @@
 
     // S: Report the current power supply state and exit
     if (parser.seen('S')) {
-      serialprintPGM(powersupply_on ? PSTR("PS:1\n") : PSTR("PS:0\n"));
+      SERIAL_ECHOPGM_P(powersupply_on ? PSTR("PS:1\n") : PSTR("PS:0\n"));
       return;
     }
 
diff --git a/Marlin/src/gcode/feature/L6470/M122.cpp b/Marlin/src/gcode/feature/L6470/M122.cpp
index d2b7f73997..cfac427642 100644
--- a/Marlin/src/gcode/feature/L6470/M122.cpp
+++ b/Marlin/src/gcode/feature/L6470/M122.cpp
@@ -41,16 +41,16 @@ inline void L6470_say_status(const L64XX_axis_t axis) {
     SERIAL_ECHO(temp_buf);
     print_bin(sh.STATUS_AXIS_RAW);
     switch (sh.STATUS_AXIS_LAYOUT) {
-      case L6470_STATUS_LAYOUT: serialprintPGM(PSTR("   L6470")); break;
-      case L6474_STATUS_LAYOUT: serialprintPGM(PSTR("   L6474")); break;
-      case L6480_STATUS_LAYOUT: serialprintPGM(PSTR("   L6480/powerSTEP01")); break;
+      case L6470_STATUS_LAYOUT: SERIAL_ECHOPGM("   L6470"); break;
+      case L6474_STATUS_LAYOUT: SERIAL_ECHOPGM("   L6474"); break;
+      case L6480_STATUS_LAYOUT: SERIAL_ECHOPGM("   L6480/powerSTEP01"); break;
     }
   #endif
   SERIAL_ECHOPGM("\n...OUTPUT: ");
-  serialprintPGM(sh.STATUS_AXIS & STATUS_HIZ ? PSTR("OFF") : PSTR("ON "));
+  SERIAL_ECHOPGM_P(sh.STATUS_AXIS & STATUS_HIZ ? PSTR("OFF") : PSTR("ON "));
   SERIAL_ECHOPGM("   BUSY: "); echo_yes_no((sh.STATUS_AXIS & STATUS_BUSY) == 0);
   SERIAL_ECHOPGM("   DIR: ");
-  serialprintPGM((((sh.STATUS_AXIS & STATUS_DIR) >> 4) ^ L64xxManager.index_to_dir[axis]) ? PSTR("FORWARD") : PSTR("REVERSE"));
+  SERIAL_ECHOPGM_P((((sh.STATUS_AXIS & STATUS_DIR) >> 4) ^ L64xxManager.index_to_dir[axis]) ? PSTR("FORWARD") : PSTR("REVERSE"));
   if (sh.STATUS_AXIS_LAYOUT == L6480_STATUS_LAYOUT) {
     SERIAL_ECHOPGM("   Last Command: ");
     if (sh.STATUS_AXIS & sh.STATUS_AXIS_WRONG_CMD) SERIAL_ECHOPGM("VALID");
@@ -67,7 +67,7 @@ inline void L6470_say_status(const L64XX_axis_t axis) {
     SERIAL_ECHOPGM("   Last Command: ");
     if (!(sh.STATUS_AXIS & sh.STATUS_AXIS_WRONG_CMD)) SERIAL_ECHOPGM("IN");
     SERIAL_ECHOPGM("VALID    ");
-    serialprintPGM(sh.STATUS_AXIS & sh.STATUS_AXIS_NOTPERF_CMD ?  PSTR("COMPLETED    ") : PSTR("Not PERFORMED"));
+    SERIAL_ECHOPGM_P(sh.STATUS_AXIS & sh.STATUS_AXIS_NOTPERF_CMD ?  PSTR("COMPLETED    ") : PSTR("Not PERFORMED"));
     SERIAL_ECHOPAIR("\n...THERMAL: ", !(sh.STATUS_AXIS & sh.STATUS_AXIS_TH_SD) ? "SHUTDOWN       " : !(sh.STATUS_AXIS & sh.STATUS_AXIS_TH_WRN) ? "WARNING        " : "OK             ");
   }
   SERIAL_ECHOPGM("   OVERCURRENT:"); echo_yes_no((sh.STATUS_AXIS & sh.STATUS_AXIS_OCD) == 0);
diff --git a/Marlin/src/gcode/feature/L6470/M906.cpp b/Marlin/src/gcode/feature/L6470/M906.cpp
index 7bd446a1ab..3638fae45b 100644
--- a/Marlin/src/gcode/feature/L6470/M906.cpp
+++ b/Marlin/src/gcode/feature/L6470/M906.cpp
@@ -132,7 +132,7 @@ void L64XX_report_current(L64XX &motor, const L64XX_axis_t axis) {
       SERIAL_ECHOPAIR("...MicroSteps: ", MicroSteps,
                       "   ADC_OUT: ", L6470_ADC_out);
       SERIAL_ECHOPGM("   Vs_compensation: ");
-      serialprintPGM((motor.GetParam(sh.L6470_AXIS_CONFIG) & CONFIG_EN_VSCOMP) ? PSTR("ENABLED ") : PSTR("DISABLED"));
+      SERIAL_ECHOPGM_P((motor.GetParam(sh.L6470_AXIS_CONFIG) & CONFIG_EN_VSCOMP) ? PSTR("ENABLED ") : PSTR("DISABLED"));
       SERIAL_ECHOLNPAIR("   Compensation coefficient: ~", comp_coef * 0.01f);
 
       SERIAL_ECHOPAIR("...KVAL_HOLD: ", motor.GetParam(L6470_KVAL_HOLD),
diff --git a/Marlin/src/gcode/feature/powerloss/M1000.cpp b/Marlin/src/gcode/feature/powerloss/M1000.cpp
index 14c92531fa..a31b7732f4 100644
--- a/Marlin/src/gcode/feature/powerloss/M1000.cpp
+++ b/Marlin/src/gcode/feature/powerloss/M1000.cpp
@@ -40,7 +40,7 @@ void menu_job_recovery();
 inline void plr_error(PGM_P const prefix) {
   #if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
     DEBUG_ECHO_START();
-    serialprintPGM(prefix);
+    DEBUG_ECHOPGM_P(prefix);
     DEBUG_ECHOLNPGM(" Job Recovery Data");
   #else
     UNUSED(prefix);
diff --git a/Marlin/src/gcode/feature/powerloss/M413.cpp b/Marlin/src/gcode/feature/powerloss/M413.cpp
index 64573e5dff..e6e3ac3b3c 100644
--- a/Marlin/src/gcode/feature/powerloss/M413.cpp
+++ b/Marlin/src/gcode/feature/powerloss/M413.cpp
@@ -54,8 +54,8 @@ void GcodeSuite::M413() {
     #if PIN_EXISTS(POWER_LOSS)
       if (parser.seen('O')) recovery._outage();
     #endif
-    if (parser.seen('E')) serialprintPGM(recovery.exists() ? PSTR("PLR Exists\n") : PSTR("No PLR\n"));
-    if (parser.seen('V')) serialprintPGM(recovery.valid() ? PSTR("Valid\n") : PSTR("Invalid\n"));
+    if (parser.seen('E')) SERIAL_ECHOPGM_P(recovery.exists() ? PSTR("PLR Exists\n") : PSTR("No PLR\n"));
+    if (parser.seen('V')) SERIAL_ECHOPGM_P(recovery.valid() ? PSTR("Valid\n") : PSTR("Invalid\n"));
   #endif
 }
 
diff --git a/Marlin/src/gcode/feature/trinamic/M569.cpp b/Marlin/src/gcode/feature/trinamic/M569.cpp
index 6b379f1190..a92812004f 100644
--- a/Marlin/src/gcode/feature/trinamic/M569.cpp
+++ b/Marlin/src/gcode/feature/trinamic/M569.cpp
@@ -32,8 +32,7 @@ template<typename TMC>
 void tmc_say_stealth_status(TMC &st) {
   st.printLabel();
   SERIAL_ECHOPGM(" driver mode:\t");
-  serialprintPGM(st.get_stealthChop() ? PSTR("stealthChop") : PSTR("spreadCycle"));
-  SERIAL_EOL();
+  SERIAL_ECHOLNPGM_P(st.get_stealthChop() ? PSTR("stealthChop") : PSTR("spreadCycle"));
 }
 template<typename TMC>
 void tmc_set_stealthChop(TMC &st, const bool enable) {
diff --git a/Marlin/src/gcode/geometry/G17-G19.cpp b/Marlin/src/gcode/geometry/G17-G19.cpp
index 7510eaba8c..0154598ccb 100644
--- a/Marlin/src/gcode/geometry/G17-G19.cpp
+++ b/Marlin/src/gcode/geometry/G17-G19.cpp
@@ -29,7 +29,7 @@
 inline void report_workspace_plane() {
   SERIAL_ECHO_START();
   SERIAL_ECHOPGM("Workspace Plane ");
-  serialprintPGM(
+  SERIAL_ECHOPGM_P(
       gcode.workspace_plane == GcodeSuite::PLANE_YZ ? PSTR("YZ\n")
     : gcode.workspace_plane == GcodeSuite::PLANE_ZX ? PSTR("ZX\n")
                                                     : PSTR("XY\n")
diff --git a/Marlin/src/gcode/host/M115.cpp b/Marlin/src/gcode/host/M115.cpp
index 40fdbd6d3a..ac712aea07 100644
--- a/Marlin/src/gcode/host/M115.cpp
+++ b/Marlin/src/gcode/host/M115.cpp
@@ -34,8 +34,8 @@
 #if ENABLED(EXTENDED_CAPABILITIES_REPORT)
   static void cap_line(PGM_P const name, bool ena=false) {
     SERIAL_ECHOPGM("Cap:");
-    serialprintPGM(name);
-    SERIAL_CHAR(':', ena ? '1' : '0');
+    SERIAL_ECHOPGM_P(name);
+    SERIAL_CHAR(':', '0' + ena);
     SERIAL_EOL();
   }
 #endif
diff --git a/Marlin/src/gcode/host/M360.cpp b/Marlin/src/gcode/host/M360.cpp
index b0bd4a3b8e..50a4e45426 100644
--- a/Marlin/src/gcode/host/M360.cpp
+++ b/Marlin/src/gcode/host/M360.cpp
@@ -34,10 +34,9 @@
 
 static void config_prefix(PGM_P const name, PGM_P const pref=nullptr, const int8_t ind=-1) {
   SERIAL_ECHOPGM("Config:");
-  if (pref) serialprintPGM(pref);
+  if (pref) SERIAL_ECHOPGM_P(pref);
   if (ind >= 0) { SERIAL_ECHO(ind); SERIAL_CHAR(':'); }
-  serialprintPGM(name);
-  SERIAL_CHAR(':');
+  SERIAL_ECHOPAIR_P(name, AS_CHAR(':'));
 }
 static void config_line(PGM_P const name, const float val, PGM_P const pref=nullptr, const int8_t ind=-1) {
   config_prefix(name, pref, ind);
diff --git a/Marlin/src/gcode/queue.cpp b/Marlin/src/gcode/queue.cpp
index 7ce8211484..ebf95f86c6 100644
--- a/Marlin/src/gcode/queue.cpp
+++ b/Marlin/src/gcode/queue.cpp
@@ -304,8 +304,7 @@ inline int read_serial(const uint8_t index) { return SERIAL_IMPL.read(index); }
 void GCodeQueue::gcode_line_error(PGM_P const err, const serial_index_t serial_ind) {
   PORT_REDIRECT(SERIAL_PORTMASK(serial_ind)); // Reply to the serial port that sent the command
   SERIAL_ERROR_START();
-  SERIAL_ECHOPGM_P(err);
-  SERIAL_ECHOLN(serial_state[serial_ind].last_N);
+  SERIAL_ECHOLNPAIR_P(err, serial_state[serial_ind].last_N);
   while (read_serial(serial_ind) != -1) { /* nada */ } // Clear out the RX buffer. Why don't use flush here ?
   flush_and_request_resend();
   serial_state[serial_ind].count = 0;
diff --git a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
index 37f3c4e320..fd91138a4f 100644
--- a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
@@ -290,7 +290,7 @@ namespace Anycubic {
 
   void ChironTFT::SendtoTFT(PGM_P str) {  // A helper to print PROGMEN string to the panel
     #if ACDEBUG(AC_SOME)
-      serialprintPGM(str);
+      SERIAL_ECHOPGM_P(str);
     #endif
     while (const char c = pgm_read_byte(str++)) TFTSer.write(c);
   }
diff --git a/Marlin/src/libs/L64XX/L64XX_Marlin.cpp b/Marlin/src/libs/L64XX/L64XX_Marlin.cpp
index 0358f3f59a..d079e0b4b3 100644
--- a/Marlin/src/libs/L64XX/L64XX_Marlin.cpp
+++ b/Marlin/src/libs/L64XX/L64XX_Marlin.cpp
@@ -37,8 +37,6 @@ L64XX_Marlin L64xxManager;
 #include "../../module/planner.h"
 #include "../../HAL/shared/Delay.h"
 
-void echo_yes_no(const bool yes) { serialprintPGM(yes ? PSTR(" YES") : PSTR(" NO ")); }
-
 static const char str_X[] PROGMEM = "X ",  str_Y[] PROGMEM = "Y ",  str_Z[] PROGMEM = "Z ",
                  str_X2[] PROGMEM = "X2", str_Y2[] PROGMEM = "Y2",
                  str_Z2[] PROGMEM = "Z2", str_Z3[] PROGMEM = "Z3", str_Z4[] PROGMEM = "Z4",
@@ -56,6 +54,8 @@ PGM_P const L64XX_Marlin::index_to_axis[] PROGMEM = {
 #define DEBUG_OUT ENABLED(L6470_CHITCHAT)
 #include "../../core/debug_out.h"
 
+void echo_yes_no(const bool yes) { DEBUG_ECHOPGM_P(yes ? PSTR(" YES") : PSTR(" NO ")); UNUSED(yes); }
+
 uint8_t L64XX_Marlin::dir_commands[MAX_L64XX];  // array to hold direction command for each driver
 
 const uint8_t L64XX_Marlin::index_to_dir[MAX_L64XX] = {
@@ -375,7 +375,7 @@ inline void echo_min_max(const char a, const float &min, const float &max) {
 }
 inline void echo_oct_used(const float &oct, const uint8_t stall) {
   DEBUG_ECHOPAIR("over_current_threshold used     : ", oct);
-  serialprintPGM(stall ? PSTR("  (Stall") : PSTR("  (OCD"));
+  DEBUG_ECHOPGM_P(stall ? PSTR("  (Stall") : PSTR("  (OCD"));
   DEBUG_ECHOLNPGM(" threshold)");
 }
 inline void err_out_of_bounds() { DEBUG_ECHOLNPGM("Test aborted - motion out of bounds"); }
@@ -652,7 +652,7 @@ void L64XX_Marlin::say_axis(const L64XX_axis_t axis, const uint8_t label/*=true*
   ) {
     say_axis(axis);
     DEBUG_ECHOPGM("  THERMAL: ");
-    serialprintPGM((status & _status_axis_th_sd) ? PSTR("SHUTDOWN") : (status & _status_axis_th_wrn) ? PSTR("WARNING ") : PSTR("OK      "));
+    DEBUG_ECHOPGM_P((status & _status_axis_th_sd) ? PSTR("SHUTDOWN") : (status & _status_axis_th_wrn) ? PSTR("WARNING ") : PSTR("OK      "));
     DEBUG_ECHOPGM("   OVERCURRENT: ");
     echo_yes_no((status & _status_axis_ocd) != 0);
     if (!(_status_axis_layout == L6474_STATUS_LAYOUT)) {  // L6474 doesn't have these bits
diff --git a/Marlin/src/libs/stopwatch.cpp b/Marlin/src/libs/stopwatch.cpp
index 601efe5517..adfaa3b043 100644
--- a/Marlin/src/libs/stopwatch.cpp
+++ b/Marlin/src/libs/stopwatch.cpp
@@ -98,7 +98,7 @@ millis_t Stopwatch::duration() {
   void Stopwatch::debug(const char func[]) {
     if (DEBUGGING(INFO)) {
       SERIAL_ECHOPGM("Stopwatch::");
-      serialprintPGM(func);
+      SERIAL_ECHOPGM_P(func);
       SERIAL_ECHOLNPGM("()");
     }
   }
diff --git a/Marlin/src/libs/vector_3.cpp b/Marlin/src/libs/vector_3.cpp
index 6f87a523e0..0ef29f33bd 100644
--- a/Marlin/src/libs/vector_3.cpp
+++ b/Marlin/src/libs/vector_3.cpp
@@ -77,7 +77,7 @@ void vector_3::apply_rotation(const matrix_3x3 &matrix) {
 }
 
 void vector_3::debug(PGM_P const title) {
-  serialprintPGM(title);
+  SERIAL_ECHOPGM_P(title);
   SERIAL_ECHOPAIR_F_P(SP_X_STR, x, 6);
   SERIAL_ECHOPAIR_F_P(SP_Y_STR, y, 6);
   SERIAL_ECHOLNPAIR_F_P(SP_Z_STR, z, 6);
@@ -139,10 +139,7 @@ matrix_3x3 matrix_3x3::transpose(const matrix_3x3 &original) {
 }
 
 void matrix_3x3::debug(PGM_P const title) {
-  if (title) {
-    serialprintPGM(title);
-    SERIAL_EOL();
-  }
+  if (title) SERIAL_ECHOLNPGM_P(title);
   LOOP_L_N(i, 3) {
     LOOP_L_N(j, 3) {
       if (vectors[i][j] >= 0.0) SERIAL_CHAR('+');
diff --git a/Marlin/src/module/endstops.cpp b/Marlin/src/module/endstops.cpp
index b9d2c1cdf5..9550799a2d 100644
--- a/Marlin/src/module/endstops.cpp
+++ b/Marlin/src/module/endstops.cpp
@@ -405,10 +405,9 @@ void Endstops::event_handler() {
 }
 
 static void print_es_state(const bool is_hit, PGM_P const label=nullptr) {
-  if (label) serialprintPGM(label);
+  if (label) SERIAL_ECHOPGM_P(label);
   SERIAL_ECHOPGM(": ");
-  serialprintPGM(is_hit ? PSTR(STR_ENDSTOP_HIT) : PSTR(STR_ENDSTOP_OPEN));
-  SERIAL_EOL();
+  SERIAL_ECHOLNPGM_P(is_hit ? PSTR(STR_ENDSTOP_HIT) : PSTR(STR_ENDSTOP_OPEN));
 }
 
 void _O2 Endstops::report_states() {
diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
index 7fcf37e044..dd87a0d24d 100644
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@@ -2973,7 +2973,7 @@ inline void limit_and_warn(float &val, const uint8_t axis, PGM_P const setting_n
   if (before != val) {
     SERIAL_CHAR(axis_codes[lim_axis]);
     SERIAL_ECHOPGM(" Max ");
-    serialprintPGM(setting_name);
+    SERIAL_ECHOPGM_P(setting_name);
     SERIAL_ECHOLNPAIR(" limited to ", val);
   }
 }
diff --git a/Marlin/src/module/printcounter.cpp b/Marlin/src/module/printcounter.cpp
index 45072c8f01..1caaee352a 100644
--- a/Marlin/src/module/printcounter.cpp
+++ b/Marlin/src/module/printcounter.cpp
@@ -118,7 +118,7 @@ void PrintCounter::initStats() {
   inline bool _service_warn(const char * const msg) {
     _print_divider();
     SERIAL_ECHO_START();
-    serialprintPGM(msg);
+    SERIAL_ECHOPGM_P(msg);
     SERIAL_ECHOLNPGM("!");
     _print_divider();
     return true;
@@ -177,7 +177,7 @@ void PrintCounter::saveStats() {
 #if HAS_SERVICE_INTERVALS
   inline void _service_when(char buffer[], const char * const msg, const uint32_t when) {
     SERIAL_ECHOPGM(STR_STATS);
-    serialprintPGM(msg);
+    SERIAL_ECHOPGM_P(msg);
     SERIAL_ECHOLNPAIR(" in ", duration_t(when).toString(buffer));
   }
 #endif
@@ -339,7 +339,7 @@ void PrintCounter::reset() {
   void PrintCounter::debug(const char func[]) {
     if (DEBUGGING(INFO)) {
       SERIAL_ECHOPGM("PrintCounter::");
-      serialprintPGM(func);
+      SERIAL_ECHOPGM_P(func);
       SERIAL_ECHOLNPGM("()");
     }
   }
diff --git a/Marlin/src/module/probe.cpp b/Marlin/src/module/probe.cpp
index d7fafc8932..7dcf1dff31 100644
--- a/Marlin/src/module/probe.cpp
+++ b/Marlin/src/module/probe.cpp
@@ -279,8 +279,7 @@ FORCE_INLINE void probe_specific_action(const bool deploy) {
       PGM_P const ds_str = deploy ? GET_TEXT(MSG_MANUAL_DEPLOY) : GET_TEXT(MSG_MANUAL_STOW);
       ui.return_to_status();       // To display the new status message
       ui.set_status_P(ds_str, 99);
-      serialprintPGM(ds_str);
-      SERIAL_EOL();
+      SERIAL_ECHOLNPGM_P(ds_str);
 
       TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_USER_CONTINUE, PSTR("Stow Probe"), CONTINUE_STR));
       TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired_P(PSTR("Stow Probe")));
@@ -586,7 +585,7 @@ float Probe::run_z_probe(const bool sanity_check/*=true*/) {
                early_fail = (scheck && current_position.z > -offset.z + clearance); // Probe triggered too high?
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING) && (probe_fail || early_fail)) {
-        DEBUG_PRINT_P(plbl);
+        DEBUG_ECHOPGM_P(plbl);
         DEBUG_ECHOPGM(" Probe fail! -");
         if (probe_fail) DEBUG_ECHOPGM(" No trigger.");
         if (early_fail) DEBUG_ECHOPGM(" Triggered early.");
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index f4b4bf0b8b..d78d97e688 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -2990,7 +2990,7 @@ void MarlinSettings::reset() {
     if (!repl) {
       SERIAL_ECHO_START();
       SERIAL_ECHOPGM("; ");
-      serialprintPGM(pstr);
+      SERIAL_ECHOPGM_P(pstr);
       if (eol) SERIAL_EOL();
     }
   }
@@ -3007,7 +3007,7 @@ void MarlinSettings::reset() {
         SERIAL_ECHOPGM("  M569 S1");
         if (etc) {
           SERIAL_CHAR(' ');
-          serialprintPGM(etc);
+          SERIAL_ECHOPGM_P(etc);
         }
         if (newLine) SERIAL_EOL();
       }
@@ -3025,7 +3025,7 @@ void MarlinSettings::reset() {
   #endif
 
   inline void say_units(const bool colon) {
-    serialprintPGM(
+    SERIAL_ECHOPGM_P(
       #if ENABLED(INCH_MODE_SUPPORT)
         parser.linear_unit_factor != 1.0 ? PSTR(" (in)") :
       #endif
@@ -3066,7 +3066,7 @@ void MarlinSettings::reset() {
         SERIAL_ECHOPGM("  M149 ");
         SERIAL_CHAR(parser.temp_units_code());
         SERIAL_ECHOPGM(" ; Units in ");
-        serialprintPGM(parser.temp_units_name());
+        SERIAL_ECHOPGM_P(parser.temp_units_name());
       #else
         SERIAL_ECHOLNPGM("  M149 C ; Units in Celsius");
       #endif
@@ -3254,12 +3254,12 @@ void MarlinSettings::reset() {
           LOOP_L_N(py, GRID_MAX_POINTS_Y) {
             LOOP_L_N(px, GRID_MAX_POINTS_X) {
               CONFIG_ECHO_START();
-              SERIAL_ECHOPAIR_P(PSTR("  G29 S3 I"), px, PSTR(" J"), py);
+              SERIAL_ECHOPAIR("  G29 S3 I", px, " J", py);
               SERIAL_ECHOLNPAIR_F_P(SP_Z_STR, LINEAR_UNIT(mbl.z_values[px][py]), 5);
             }
           }
           CONFIG_ECHO_START();
-          SERIAL_ECHOLNPAIR_F_P(PSTR("  G29 S4 Z"), LINEAR_UNIT(mbl.z_offset), 5);
+          SERIAL_ECHOLNPAIR_F("  G29 S4 Z", LINEAR_UNIT(mbl.z_offset), 5);
         }
 
       #elif ENABLED(AUTO_BED_LEVELING_UBL)
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index e85e48c2d4..be98972b77 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -664,9 +664,9 @@ volatile bool Temperature::raw_temps_ready = false;
 
         #if EITHER(PIDTEMPBED, PIDTEMPCHAMBER)
           PGM_P const estring = GHV(PSTR("chamber"), PSTR("bed"), NUL_STR);
-          say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Kp ", tune_pid.Kp);
-          say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Ki ", tune_pid.Ki);
-          say_default_(); serialprintPGM(estring); SERIAL_ECHOLNPAIR("Kd ", tune_pid.Kd);
+          say_default_(); SERIAL_ECHOPGM_P(estring); SERIAL_ECHOLNPAIR("Kp ", tune_pid.Kp);
+          say_default_(); SERIAL_ECHOPGM_P(estring); SERIAL_ECHOLNPAIR("Ki ", tune_pid.Ki);
+          say_default_(); SERIAL_ECHOPGM_P(estring); SERIAL_ECHOLNPAIR("Kd ", tune_pid.Kd);
         #else
           say_default_(); SERIAL_ECHOLNPAIR("Kp ", tune_pid.Kp);
           say_default_(); SERIAL_ECHOLNPAIR("Ki ", tune_pid.Ki);
@@ -868,7 +868,7 @@ void Temperature::_temp_error(const heater_id_t heater_id, PGM_P const serial_ms
 
   if (IsRunning() && TERN1(BOGUS_TEMPERATURE_GRACE_PERIOD, killed == 2)) {
     SERIAL_ERROR_START();
-    serialprintPGM(serial_msg);
+    SERIAL_ECHOPGM_P(serial_msg);
     SERIAL_ECHOPGM(STR_STOPPED_HEATER);
     if (heater_id >= 0)
       SERIAL_ECHO(heater_id);
@@ -1532,7 +1532,7 @@ void Temperature::manage_heater() {
     SERIAL_ECHOPAIR_F_P(SP_B_STR, t.beta, 1);
     SERIAL_ECHOPAIR_F_P(SP_C_STR, t.sh_c_coeff, 9);
     SERIAL_ECHOPGM(" ; ");
-    serialprintPGM(
+    SERIAL_ECHOPGM_P(
       TERN_(TEMP_SENSOR_0_IS_CUSTOM, t_index == CTI_HOTEND_0 ? PSTR("HOTEND 0") :)
       TERN_(TEMP_SENSOR_1_IS_CUSTOM, t_index == CTI_HOTEND_1 ? PSTR("HOTEND 1") :)
       TERN_(TEMP_SENSOR_2_IS_CUSTOM, t_index == CTI_HOTEND_2 ? PSTR("HOTEND 2") :)
diff --git a/Marlin/src/pins/pinsDebug.h b/Marlin/src/pins/pinsDebug.h
index 5f153cfa2b..e2e56081b7 100644
--- a/Marlin/src/pins/pinsDebug.h
+++ b/Marlin/src/pins/pinsDebug.h
@@ -238,7 +238,7 @@ const PinInfo pin_array[] PROGMEM = {
 #endif
 
 static void print_input_or_output(const bool isout) {
-  serialprintPGM(isout ? PSTR("Output = ") : PSTR("Input  = "));
+  SERIAL_ECHOPGM_P(isout ? PSTR("Output = ") : PSTR("Input  = "));
 }
 
 // pretty report with PWM info
@@ -266,8 +266,8 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
   LOOP_L_N(x, COUNT(pin_array))  {    // scan entire array and report all instances of this pin
     if (GET_ARRAY_PIN(x) == pin) {
       if (!found) {    // report digital and analog pin number only on the first time through
-        if (start_string) serialprintPGM(start_string);
-        serialprintPGM(PSTR("PIN: "));
+        if (start_string) SERIAL_ECHOPGM_P(start_string);
+        SERIAL_ECHOPGM("PIN: ");
         PRINT_PIN(pin);
         PRINT_PORT(pin);
         if (int8_t(DIGITAL_PIN_TO_ANALOG_PIN(pin)) >= 0) {
@@ -317,8 +317,8 @@ inline void report_pin_state_extended(pin_t pin, const bool ignore, const bool e
   } // end of for loop
 
   if (!found) {
-    if (start_string) serialprintPGM(start_string);
-    serialprintPGM(PSTR("PIN: "));
+    if (start_string) SERIAL_ECHOPGM_P(start_string);
+    SERIAL_ECHOPGM("PIN: ");
     PRINT_PIN(pin);
     PRINT_PORT(pin);
     if (int8_t(DIGITAL_PIN_TO_ANALOG_PIN(pin)) >= 0) {
diff --git a/Marlin/src/sd/cardreader.cpp b/Marlin/src/sd/cardreader.cpp
index fd26bdd671..c973ba5945 100644
--- a/Marlin/src/sd/cardreader.cpp
+++ b/Marlin/src/sd/cardreader.cpp
@@ -552,7 +552,7 @@ void announceOpen(const uint8_t doing, const char * const path) {
     PORT_REDIRECT(SERIAL_ALL);
     SERIAL_ECHO_START();
     SERIAL_ECHOPGM("Now ");
-    serialprintPGM(doing == 1 ? PSTR("doing") : PSTR("fresh"));
+    SERIAL_ECHOPGM_P(doing == 1 ? PSTR("doing") : PSTR("fresh"));
     SERIAL_ECHOLNPAIR(" file: ", path);
   }
 }
@@ -1251,7 +1251,7 @@ void CardReader::fileHasFinished() {
       removeFile(recovery.filename);
       #if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
         SERIAL_ECHOPGM("Power-loss file delete");
-        serialprintPGM(jobRecoverFileExists() ? PSTR(" failed.\n") : PSTR("d.\n"));
+        SERIAL_ECHOPGM_P(jobRecoverFileExists() ? PSTR(" failed.\n") : PSTR("d.\n"));
       #endif
     }
   }