One problem related to automatic transmission control module has been reported for the 2004 Suzuki Forenza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Suzuki Forenza based on all problems reported for the 2004 Forenza.
The contact stated the engine revved, it was racing, and the rpm gauge ran higher than normal. The vehicle will hesitate at any speed. There will be a loss of power, and the vehicle jerked when power went back into the vehicle. There was no prior warning. This happened every time when driving the vehicle. He took the vehicle to the dealer. They said the ecm had to be reflashed. Dealer did the work. The vehicle is still having the same problem since then. Engine check liht came on, and vehicle seemed to run higher when cold outside.
| Power Train problems | |
| Clutch Bell Housing problems | |
| Automatic Transmission Control Module problems | |
| Automatic Transmission problems | |
| Noises During Shifting problems |