51: Short or open in driver side squib circuit
53: Short or open in driver side squib second step circuit
73: Short or open in driver side front pretensioner squib
The first and second indicate that you either got a bad clockspring or airbag (or did not plug in the connectors).
The third is because the seat belt needs to be replaced. There is a charge in the seatbelt coil that locks the seatbelt when the airbag deploys.