0x01 ⇒ Number of DTC by status mask
0x02 ⇒ DTC by status mask (follows 1 byte mask. Mask could be 0xFF to get all kinds, or less like 0x8F)
0x03 ⇒ DTC snapshot identification
0x04 ⇒ DTC snapshot record by DTC number
0x05 ⇒ DTC stored data by record number
0x06 ⇒ DTC extended data record by DTC number
0x07 ⇒ Numer of DTC by severity mask record
0x08 ⇒ DTC by severity mask record
0x0A ⇒ Supported DTC
0x0B ⇒ First failed DTC
0x0C ⇒ First confirmed DTC
0x0D ⇒ Most recent failed DTC
0x0E ⇒ Most recent confirmed DTC
0x0F ⇒ Mirror memory DTC by status mask
0x10 ⇒ Mirror memory DTC by DTC number
0x11 ⇒ Number of mirror memory DTC by status mask
0x12 ⇒ Number of emissions OBD DTC by status mask
0x13 ⇒ Emissions OBD DTC by status mask
0x14 ⇒ DTC fault detection counter
0x15 ⇒ DTC with permanent status
0x16 ⇒ DTC extended data record by record number
0x17 ⇒ User defined memory DTC by status mask
0x18 ⇒ User defined memory DTC snapshot by number
0x19 ⇒ User defined memory DTC record by number
0x42 ⇒ WWH-OBD DTC by status mask record