The 2000 Dodge Neon is a OBD 2 port
The 2000 Pontiac Grand Am OBD 2 port is on lower edge of dash; left of steering column
I don't know about a 2001, but on a 99 v70 it is located in center console glove box between driver and passenger seat.
The 2000 Nissan Pathfinder OBD 2 port is on lower edge of dash; right of hood release
The 2000 Hyundai Accent OBD 2 port is on rear of lower edge of dash; right of hood release
The 2000 Acura Integra OBD 2 port is under passenger dash
The 2000 Honda Insight OBD 2 port is on right side edge of console; near floor
The 2000 Acura TL OBD 2 port is above shifter
The 2000 Isuzu Trooper OBD 2 port is behind unmarked panel over hood release
The 2000 GMC Sierra OBD 2 port is on lower edge of dash; right of parking brake
The 2000 Mercedes-Benz SL280 OBD 2 port is under driver side dash next to center console
The 2000 Mercury Cougar OBD 2 port is under driver side dash next to kick panel