One problem related to automatic transmission has been reported for the 2003 Chevrolet Cavalier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chevrolet Cavalier based on all problems reported for the 2003 Cavalier.
On moderate inclines the automatic transmission rolls backwards and continues, even accelerates until you brake. Dealer and manufacturer both say this is a design feature and is not a defect. The computer module has already been replaced for other reasons but this unsafe defect continues.