One problem related to transmission slip out of gear has been reported for the 1999 Mazda Millenia. The most recently reported issues are listed below.
When the vehicle was driven over bumps downhill the transmission would jump out of gear.
| Automatic Transmission Control Module problems | |
| Transmission Slip Out Of Gear problems | |
| Automatic Transmission problems | |
| Transmission Failure problems | |
| Transmission Solenoid problems |