docs: def parse_0101(v):
      """
      Parses the DTC status and returns two elements.
      https://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_1_PID_01
      :param v:
      :return bool, int:
      """
      tv = trim_obd_value(v)
      mil_status = None  # type: bool
      num_dtc = None  # type: int
  
      try:
          byte_a = int(v[:2], 16)
          mil_status = byte_a / 0xF >= 1
          num_dtc = mil_status % 0xF
      except ValueError:
          mil_status = None
          num_dtc = None
  
      return mil_status, num_dtc