There are 2 owner-reported speed control & cruise complaints for the 2003 Acura RSXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS 2003 ACURA RSX. THE CONTACT STATED THAT THE VEHICLE SPONTANEOUSLY ACCELERATED WITHOUT WARNING. THE ONLY WAY THE CONTACT COULD STOP THE FAILURE WAS BY SHIFTING INTO PARK AND BRAKING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS AWAITING DIAGNOSIS OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 139,000.
2003 ACURA RSX. ACCELERATES FOR NO REASON, WITHOUT PUSHING ON THE THROTTLE PEDAL. THIS USUALLY OCCURS AFTER THE VEHICLE HAS FIRST STARTED, AND ABOUT 30-60 SECONDS AFTER STARTING. THIS IS AN ON-GOING PROBLEM FOR THE PAST 10 MONTHS. *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