I have two P0301's 1st designates Eng. 2nd Mod $07. What do the extra designations mean?

Question

was running rough, swapped #1 and #2 coilds engine is smooth, but still giving P0301 code

Answer 1

Mode 1 is display current data

Mode 2 is powertrain freeze frame data

Mode 3 Emission related DTC

Mode 4 Clear / Reset

Mode 5 Oxygen sensor monitoring test result

Mode 6 Specific monitored system

Mode 7 Pending code

Mode 8 On board activation test

Mode 9 Vehicle information

Mode 7 is pending code,