[SOLVED]LCD 16x2 showing garbage

Using Arduino Displays
7

I changed the LCD pins to

LiquidCrystal lcd(9, 8, 5, 4, 3, 2);

The same thing happens, I get Prueba, Prueba1, Prueba2 and Prueba3 correctly in the LCD, but Prueba4 prints like garbage, just random symbols. The following setup code gives me this result.

void setup() {
  Serial.begin(9600);
   while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo only
  }
  lcd.begin(16, 2);
  lcd.print("Prueba");
  delay(500);
  lcd.clear();
  
  zero=0x00;
  // Open serial communications and wait for port to open:
  
  // set up the LCD's number of columns and rows: 
  lcd.print("Prueba1");
  delay(500);
  lcd.clear();
  
  // Initialize SdFat or print a detailed error message and halt
  // Use half speed like the native library.
  // change to SPI_FULL_SPEED for more performance.
  
  lcd.print("Prueba2");
  delay(500);
  lcd.clear();
  
  if (!sd.begin(chipSelect, SPI_HALF_SPEED)) sd.initErrorHalt();
  lcd.print("Prueba3");
  delay(500);
  lcd.clear();
  
  Wire.begin();
  lcd.print("Prueba4");
  delay(500);
  
}