One problem related to transmission gear slipping has been reported for the 2005 Suzuki Forenza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Suzuki Forenza based on all problems reported for the 2005 Forenza.
I purchased a 2005 Suzuki Forenza. It ran great for the first year, and then the problems began. My transmission kept slipping and it would flash d with a line through it. The check engine light is on and will not turn off.