In the DTC format, is one missing format leading to the error `Unknown DTC Format Identifier %s. Value should be between 0 and 3` ``` ISO15031_6 = 0 ISO14229_1 = 1 SAE_J1939_73 = 2 ISO11992_4 = 3 ``` The above are the only format identifiers present the one for 4 is missing. 