There are 1 owner-reported powertrain & transmission complaints for the 2003 Lexus LSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
SEVERE LOSS OF POWER (TRANSMISSION HESITATION) DURING FULL-THROTTLE DOWNSHIFT. THIS COULD CAUSE AN ACCIDENT WHEN IMMEDIATE POWER IS NEEDED, SUCH AS ENTERING A HIGH-SPEED EXPRESSWAY. *JB
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 25, 2026