Problems · by component
2006 Subaru Legacy vehicle speed control problems
30 owner complaints to NHTSA about the 2006 Subaru Legacy cite vehicle speed control, 34% of all 87 complaints for this model year.
Complaints
30
34% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the vehicle speed control
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2006 SUBARU LEGACY OUTBACK. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE ACCELERATOR PEDAL WAS DEPRESSED TO THE FLOORBOARD HOWEVER, THE VEHICLE FAILED TO RESPOND. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED NOR REPAIRED. NEITHER THE DEALER NOR THE MANUFACTURER WERE CONTACTED NOR NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125,000. THE VIN WAS NOT AVAILABLE.”
“CAR LOSS POWER AND WENT INTO LIMP MODE WITH A SOLID CHECK ENGINE LIGHT AND BLINKING CRUISE ON THE DASH. THE RPM JUMPED HIGH WITH OUT THE GAS PEDAL BEING PUSHED DOWN. VEHICLE WAS IN MOTION DRIVING AT 25 MPH BEFORE THE AFOREMENTIONED HAPPENED.”
“WHILE DRIVING IN TRAFFIC ALL OF A SUDDEN THE GAS PEDAL STOPS WORKING, THE CHECK ENGINE LIGHT ILLUMINATES THE CRUISE CONTROL LIGHT ILLUMINATES BUT THE PEDAL HAS NO EFFECT ON THE ENGINE THE CAR SLOWS VERY QUICKLY AND COMES CLOSE TO CAUSING AN ACCIDENT. I HAVE CHECKED FORUMS ON THE WEB AND FOUND WHERE MANY OTHERS HAVE HAD SAME ISSUES. THE FORUM IS SUBARUOUTBACK.ORG PLEASE CHECK THIS SIGHT THE CODE IS P2138 ANY HELP WILL BE APPRECIATED”
“CAR WOULD NOT ACCELERATE UPON ENTERING THE HIGHWAY AFTER PUSHING ON THE GAS PEDAL THE CAR WOULDN'T DO ANYTHING . I WAS ABLE TO GET OFF TO THE SIDE AND MISSED BEING HIT FROM BEHIND FROM ON COMING TRAFFIC...I NOTICE CHECK ENGINE LIGHT AND FLASHING CRUSE CONTROL LIGHT... SECOND TIME SOME WEEKS LATER IT DID THE SAME THING THIS IS VERY DANGEROUS BECAUSE YOU NEVER KNOW WHEN THIS WILL HAPPEN.”
“WHILE DRIVING, THE CHECK ENGINE LIGHT COMES ON AND THERE IS NO POWER TO THE GAS PEDAL. THE CAR IS UNABLE TO ACCELERATE OR MAINTAIN SPEED AND THE DRIVER NEEDS TO AVOID POTENTIAL COLLISIONS BY PULLING OVER ON THE ROAD OR FREEWAY.”
“TRAVEL POSITION SENSOR FAILS WHEN DRIVING CAUSING DRIVER TO LOOSE CONTROL OF THE VEHICLE. THE ACCELERATOR STOPS RESPONDING, THE CAR GOES INTO FAIL SAFE MODE IGNORES ALL INPUTS FROM DRIVER. THE CAR MAY COAST AT ABOUT 15MPH. THIS COULD HAPPEN WHEN MAKING A LEFT TURN OR ON THE HIGHWAY AT HIGH SPEEDS.”
Showing 6 of 30 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.