There are 2 owner-reported speed control & cruise complaints for the 2003 Subaru WRXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE VEHICLE ACCELERATED SUDDENLY WITHOUT WARNING. THE CONSUMER WAS UNABLE TO MAINTAIN CONTROL OF THE VEHICLE AND COLLIDED INTO ANOTHER VEHICLE. NO INJURIES TO REPORT. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. PLEASE PROVIDE ADDITIONAL INFORMATION. *JB
THE CRUISE CONTROL UNIT ON MY CAR WILL CAUSE THE THROTTLE TO REMAIN OPEN, EVEN IF THE CRUISE IS TURNED OFF. THIS CAN RESULT IN ANYTHING FROM HIGHER THAN NORMAL IDLE TO RANDOM INSTANCES OF WIDE OPEN, UNCONTROLLED ACCELERATION. THE CAR HAS BEEN TO 2 DIFFERENT SUBARU DEALERS FOR A TOTAL OF 7 TIMES OVER THE COURSE OF 5 YEARS, AND THE PROBLEM HAS YET TO BE RESOLVED. ALL APPLICABLE TSB'S AND RECALLS HAVE BEEN PERFORMED, BUT PROBLEM STILL OCCURS. *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