Is the Civic auto transmission D17A 3 Speed or 4 Speed?

Is the Automatic Transmission that Honda Civic uses D17A a 3 Speed or a 4 Speed?

2000-2005 Civic use a four speed automatic transmission. It's a bad year for transmission failure, specially 2001 Civic. Read the article:
http://www.hondaproblems.com/trends/transmission-failure/

If you are having problem with the transmission: Have it rebuild, do not buy a used unit. You might end up with a bad transmission.

It is a 4-speed automatic.