Hi bkvszomorito,
I suggest to get D/B with Gear query:
0x797 03 22 11 56 00 00 00 00
and you will get 0x79A 04 62 11 56 01 00 00 00 where 5th byte is the gear value. (1=Park, 2=Reverse, 3=Neutral, 4=Drive).
Could you check what's byte value for B mode? 7?
To get ECO ON/OFF you can ask
0x797 03...