There are 2 owner-reported powertrain & transmission complaints for the 2007 Lexus ISin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Lexus as made these cars with sealed transmissions Lexus says not to change transmission fluid but 2006 to 2013 has had known issues by many people of transmissions going out and need replaced the car will not reverse and jerks or the drive become reverse and neutral becomes drive at times this is not just a one car issue there are many is250s with this issue just search the web..
TRANSMISSION NOT SHIFTING RAN MY VINYL AND IT COMES BACK TO A IS200T MY VEHICLE IS 2007 IS 250 NON TURBO. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026