From 98d79fb8bb8deccebfed3d44d56dbdc7abb8460f Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Thu, 2 Oct 2025 12:21:14 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20'T'=20tool=20index=20handl?=
 =?UTF-8?q?ing=20(#28086)?=
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---
 Marlin/src/gcode/gcode.cpp | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 5ee1ba6b4f..9088407f81 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -126,16 +126,13 @@ void GcodeSuite::say_units() {
  * Return -1 if the T parameter is out of range
  */
 int8_t GcodeSuite::get_target_extruder_from_command() {
-  #if HAS_TOOLCHANGE
-    if (parser.seenval('T')) {
-      const int8_t e = parser.value_byte();
-      if (e < EXTRUDERS) return e;
-      SERIAL_ECHO_START();
-      SERIAL_CHAR('M'); SERIAL_ECHO(parser.codenum);
-      SERIAL_ECHOLNPGM(" " STR_INVALID_EXTRUDER " ", e);
-      return -1;
-    }
-  #endif
+  if (parser.seenval('T')) {
+    const int8_t e = parser.value_byte();
+    if (e < EXTRUDERS) return e;
+    SERIAL_ECHO_START();
+    SERIAL_ECHOLN(C('M'), parser.codenum, F(" " STR_INVALID_EXTRUDER " "), e);
+    return -1;
+  }
   return active_extruder;
 }
 
@@ -151,7 +148,7 @@ int8_t GcodeSuite::get_target_e_stepper_from_command(const int8_t dval/*=-1*/) {
   if (dval == -2) return dval;
 
   SERIAL_ECHO_START();
-  SERIAL_CHAR('M'); SERIAL_ECHO(parser.codenum);
+  SERIAL_ECHO(C('M'), parser.codenum);
   if (e == -1)
     SERIAL_ECHOLNPGM(" " STR_E_STEPPER_NOT_SPECIFIED);
   else