diff --git a/src/passcode/passcode.service.ts b/src/passcode/passcode.service.ts
index 34c47c9..049044c 100644
--- a/src/passcode/passcode.service.ts
+++ b/src/passcode/passcode.service.ts
@@ -20,7 +20,7 @@ export class PasscodeService {
     private prestamoService: PrestamoService,
   ) {}
 
-  crearPasscode(prestamo: Prestamo) {
+  create(prestamo: Prestamo) {
     return this.repository
       .save(this.repository.create({ prestamo }))
       .then((passcodeInterno) => {
@@ -33,7 +33,7 @@ export class PasscodeService {
           6: '',
         };
 
-        passcodeInterno.passcode = `${prestamo.equipo.carrito.id_carrito}${
+        passcodeInterno.passcode = `0${prestamo.equipo.carrito.id_carrito}${
           aux[passcodeInterno.id_passcode.toString().length]
         }${passcodeInterno.id_passcode}${Math.floor(
           Math.random() * 99999 + 10000,
diff --git a/src/prestamo/prestamo.service.ts b/src/prestamo/prestamo.service.ts
index e0e931d..d33da13 100644
--- a/src/prestamo/prestamo.service.ts
+++ b/src/prestamo/prestamo.service.ts
@@ -51,8 +51,6 @@ export class PrestamoService {
     private fullInformacionPrestamoView: Repository<FullInformacionPrestamoView>,
     @InjectRepository(PrestamoInformacionView)
     private prestamoInformacionView: Repository<PrestamoInformacionView>,
-    @Inject(forwardRef(() => PasscodeService))
-    private passcodeService: PasscodeService,
     private appGateway: AppGateway,
     private equipoService: EquipoService,
     private institucionService: InstitucionService,
@@ -65,6 +63,8 @@ export class PrestamoService {
     @Inject(forwardRef(() => MultaService))
     private multaService: MultaService,
     private operadorService: OperadorService,
+    @Inject(forwardRef(() => PasscodeService))
+    private passcodeService: PasscodeService,
     private tipoUsuarioService: TipoUsuarioService,
     private usuarioService: UsuarioService,
   ) {}
@@ -244,7 +244,14 @@ export class PrestamoService {
       .then((prestamo) => {
         // Actualizo la interfaz del operador
         this.appGateway.actualizarOperador(modulo.institucion.id_institucion);
-        return this.prestamoPasscode(prestamo);
+        if (
+          prestamo.equipo.carrito.tipoCarrito.id_tipo_carrito === 4 ||
+          prestamo.equipo.carrito.tipoCarrito.id_tipo_carrito === 5
+        )
+          return this.passcodeService
+            .create(prestamo)
+            .then((passcode) => ({ ...prestamo, passcode: passcode.passcode }));
+        return prestamo;
       });
   }