XL 2013 probleme import fichier VBA

Sub Tst()
Dim Fichier As Variant
    ChDir ThisWorkbook.Path
    Fichier = Application.GetOpenFilename("Text Files (*.csv), *.csv")
    If Fichier <> False Then
        Lire Fichier
    End If
End Sub

Sub Lire(ByVal NomFichier As String)

Dim Chaine As String
Dim Ar() As String
Dim i As Long
Dim iRow As Long, iCol As Long
Dim NumFichier As Integer
Dim Separateur  As String * 1
 
    '  Séparateur Point Virgule
    Separateur = ";"
    
    Cells.Clear
    Application.ScreenUpdating = False
    NumFichier = FreeFile
    iRow = 1
    
    Open NomFichier For Input As #NumFichier
        Do While Not EOF(NumFichier)
            iCol = 1
            Line Input #NumFichier, Chaine
            Ar = Split(Chaine, Separateur)
            For i = LBound(Ar) To UBound(Ar)
                Ar(i) = Replace(Ar(i), "M-", "")
                Cells(iRow, iCol) = Ar(i)
                iCol = iCol + 1
            Next
            
            Select Case Cells(iRow, 1)
                Case Is = Cells(iRow, 2)
                            
        End Select
            
            iRow = iRow + 1
        Loop
    Close #NumFichier
    
    Application.ScreenUpdating = True
End Sub