What does codes B1286 B136 and B1225 mean on a 1999 Pontiac Grand Am GT?

The codes B1286, B136, and B1225 on a 1999 Pontiac Grand Am GT relate to issues with the vehicle's electrical system. B1286 indicates a problem with the voltage supply to the power window motors, B136 points to a malfunction in the power door lock system, and B1225 signifies a fault in the passenger presence system, which monitors the occupancy of the passenger seat. These codes suggest potential wiring issues or component failures that may require further diagnosis and repair.