Yes, there have been several recalls affecting the PT Cruiser over the years. The specific recalls depend on the model year and VIN (Vehicle Identification Number). To find out if *your* specific PT Cruiser has any outstanding recalls, you should check the National Highway Traffic Safety Administration (NHTSA) website (nhtsa.gov) and enter your vehicle's VIN.
NHTSA is the best source for this information as it's the official government agency tracking vehicle recalls in the United States. Other websites may provide recall information, but NHTSA is the most reliable.