Speed Control Cable Problems of Subaru Outback

The contact owns a 2004 Subaru Outback. The contact stated that while driving approximately 65 mph and the cruise control engaged, the vehicle erroneously accelerated. The contact also began to hear an abnormal sound in the front of the vehicle and deactivated the cruise control. The vehicle persisted to accelerate independently and the contact lost control of the vehicle. The vehicle was towed to an independent mechanic where it was diagnosed that the cruise control cable was disarranged causing the cruise control to fail. The vehicle was repaired however, the mechanic informed the contact that the vehicle was damaged due to a rod in the engine from the damage of the cruise control failure. The manufacturer was notified of the failure and informed the contact that the vehicle was not included in NHTSA campaign number: 04v128000(vehicle speed control). The approximate failure mileage was 250,000. The VIN was unavailable.

See all problems of the 2004 Subaru Outback 🔎.

I was accelerating to get on the freeway entrance in my Subaru Outback (with my wife and two small children) when I notice a complete loss in throttle response. The car was just barely moving due to the engine idle. Check engine light came on. I drove at that pace to a parking lot to check my options. I had not noted, until now, that this car has no throttle cable and is completely drive-by-wire. I looked at the connection of wire harness to the pedal assembly and did not see any red flags - no corrosion, etc. It appeared to be in good shape. I shut the car off, waited about 30 sec, and restarted it. It then got us home. When I got home tonight, I ran my obd diagnostic tool and got a p2138 error code. This is listed as "throttle/pedal position sensor/switch "d"/"e" voltage correlation" trouble code description. I am going to check into my options tomorrow, but felt this was worth reporting since it appears there are others out there that have experienced this problem as well. There is definitely a safety concern with a failure of this nature as I was traveling at a good rate and in traffic. Luckily, everyone is ok - but my wife and I worry when this will happen again. Thanks.

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The contact owns a 2001 Subaru Outback. While driving 65 mph, the contact applied the brakes, but the vehicle continued to accelerate. He attempted to decelerate and stop the vehicle. The dealer replaced the throttle cable and no other failures have occurred since. A valid VIN was unavailable. The current mileage was 150,000 and failure mileage was 149,000.

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Last month I purchesed a new 2004 Subaru Outback. After my purchase I discovered that the vehicle had been repaired by the dealership for a recall that involved the speed control cable. This problem could cause the throttle to remain open and the driver could lose control of the vehicle and crash. Had I know about this problem I would have not purchased this vehicle. The dealer never told me about the repairs or recall and I beleived I was buying a new and safe vehicle.