Dodge Caravan problems were worst on the 2005 models. Common dodge caravan problems for 2005 are mostly electrical problems like power door lock failure. There were also a number of brake failures and suspension problems reported in the 2005 dodge caravan problems.
Other years with heavy dodge caravan problems were 200 and 2001.
In 2000 most Dodge Caravan problems were related to the transmission, along with some engine and brake problems and some AC/heat and electrical issues.
In 2001 most Dodge Caravan problems were power steering failure, transmission failure, and assorted AC/heat and light issues. Especially if you are buying a used vehicle, do some research on Dodge Caravan problems.