One problem related to transmission gear slipping has been reported for the 2007 Lexus IS250. The most recently reported issues are listed below.
The transmission slips on reverse. It does not traverse unless I driven 30 minutes and going 40 amd higher, the rpms start at 4k then 5k amd keeps getting higher. The engines wants to stall from time to time. The suspension is hard, even after changing the shocks.
| Power Train problems | |
| Transmission Gear Slipping problems |