2010 Subaru Forester engine NHTSA complaints: Vehicle Speed Control

NHTSA — Vehicle Speed Control Problems


really awful
Crashes / Fires:
7 / 0
Injuries / Deaths:
2 / 0
Average Mileage:
30,082 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2010 Subaru Forester engine problems

engine problem

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2010 Subaru Forester Owner Comments

problem #18

Jan 022017


  • 17,000 miles


Hello- I am experiencing continued issues after recall: 16V-738. I began attempting to resolve this issue in September of 2016. The issue impacts the secondary air system and my vehicle would not pass ca smog. I have to have a passing smog to renew my ca registration. I failed smog and sent the vehicle to my mechanic. My mechanic performed diagnosis and determined stored P2441 and P2443 codes (secondary air valves open). Around the same time, October 2016, Subaru released recall: 16V-738. This addresses a single relay in the secondary air series. I proceeded to schedule and take my vehicle into rancho grande Subaru in san luis obispo. I also opened a claim with Subaru corporate customer support sr #:1-19856672948). Subaru began working on my vehicle mid October 2016 and placed me in a rental SUV. I did not receive any communication from Subaru, so I followed up. The tech informed me the vehicle is ready to be picked up mid November. I visited, picked up the vehicle, drove it 3 miles and heard a loud screech from the secondary air pump. I returned the vehicle, informed the tech and he rudely responded "was that noise happening when you dropped it off". no, I responded and they resisted placing me in a rental for another 3 weeks. Late December, I followed up once again due to lack of communication and the vehicle was ready 3 days later. I drove the vehicle 200 miles and now the same check engine light is on, traction control light is flashing and vehicle intermittently accelerated. I checked the codes and the same codes remain. I feel the scope of components requires all components in the secondary air system to be replaced. The faulty relay was on the on position and has exhausted all the components in the series. This is a nation wide issue do www.subaruforester.org/vbulletin/F87/secondary-air-valves-P2443-P2441-63347/. T

- Pismo Beach, CA, USA

problem #17

Jun 272016


  • 80,000 miles
While parking my 2010 Subaru Forester suddenly accelerated causing it to jump over a curb sideswiping a hedge jumping another curb then hitting a large Ram 150 truck. The whole time I was standing on the brakes trying to avoid parked cars. Upon impact the engine was still running at high RPM's. after shutting it off I looked to see if the mats were the cause and they were not. Could not determine what the cause of acceleration. There was over $120 damage to the Forester.

- Sacramento, CA, USA

problem #16

Sep 132015


  • 90,000 miles
A family member was re-parking our car next to the house. She put the car in reverse, pressed the accelerator lightly, and the car suddenly lurched backwards and kept going even after she took her foot off the accelerator, and hit the house, causing damage to both the car and the house (and causing my daughter a concussion). Earlier, my son had a similar experience with the same car. He had the car in reverse, lightly tapped the accelerator, the car jolted backward but he did not hit anything because he was not close to any objects or structures.

- Larchmont, NY, USA

problem #15

Jan 282010


  • 50 miles


The contact owns a 2010 Subaru Forester. The contact stated that while attempting to accelerate, the engine RPM's increased but the vehicle failed to accelerate. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 50. The VIN was unavailable.

- Cicero, IL, USA

problem #14

Jul 072014

Forester 4-cyl

  • 68,800 miles
While in my driveway, I started the engine, stepped on the brake, put the vehicle in drive and it accelerated. I swerved to miss a trailer parked in front of me, pushed harder on the brake, the vehicle stopped, the engine raced for a few seconds and then idled normally. I got out, looked at the floor mat and it wasn't touching the accelerator. It hasn't happened since, but the car doesn't get driven much.

- Rapid River, MI, USA

problem #13

May 112014


  • 50,000 miles
The contact owns a 2010 Subaru Forester. The contact stated that while driving slowly in reverse, the vehicle experienced unintended acceleration and crashed into a residential home. A police report was filed but there were no injuries. The failure was not diagnosed and the vehicle was not repaired. The manufacturer was not notified of the incident. The failure mileage was 50,000.

- Minneapolis, MN, USA

problem #12

Dec 082013

Forester 4-cyl

  • 41,000 miles


Sudden acceleration from full stop. The vehicle had exhibited sudden acceleration 3 weeks prior but the dealer did not find any problem. From a full stop, the vehicle was placed into reverse at which time the engine revved to full throttle, overriding the brakes, resulting in the vehicle backing uncontrollably and stopping on top of a boulder with the back wheels off the ground approximately 4 feet. The incident was witnessed by a bystander. The vehicle undercarriage severely damaged and not drive-able. Photos and a police report were submitted.

- Trenton, NJ, USA

problem #11

Nov 182013

Forester 4-cyl

  • 40,430 miles
Sudden acceleration incident. Parked at the county recycling center, when placed into drive (full brake pressure required to shift out of park), the engine accelerated to maximum power causing the car to drive away uncontrollably and overriding the previously applied brake. Immediately shifting to neutral, the car was brought under control and then functioned normally. Driver and passenger were witnesses and unharmed. The vehicle was taken to the dealership for inspection. No cause was found.

- Trenton, NJ, USA

problem #10

Feb 042013


  • 22,000 miles
The contact owns a 2010 Subaru Forester. The contact stated that after starting the vehicle, it erroneously accelerated while still in park. The vehicle then crashed into a building. Upon impact, the air bags did not deploy. The vehicle was destroyed. The vehicle was not diagnosed. The manufacturer was not contacted. The failure mileage was approximately 22,000.

- Kent, WA, USA

problem #9

Jul 022011

Forester 4-cyl

  • 23,400 miles
The vehicle is a 2010 Subaru Forester. When the car was put in reverse to back into a parking space and the gas pedal was pressed the car accelerated as if the gas pedal had been floored. The brakes were slammed on and no damage was done. This is the second time this has happened with this vehicle. The floor mat was in the normal position and was not involved. I was driving the car. This same thing happened with my wife driving the car on 12/10/2010. See id# 10370392.

- Oriskany, NY, USA

problem #8

Feb 282011

Forester 4-cyl

  • Automatic transmission
  • 38,000 miles


The contact owns a 2010 Subaru Forester. While the contact was driving approximately 60 mph with the cruise control activated, a rapid increase in speed occurred and vehicle failed to slow down. The emergency brake was engaged and the engine was turned off to stop the vehicle. The contact restarted the engine and resumed normal operation. The vehicle was taken to an authorized dealer where they were unable to duplicate the problem. The failure mileage was 38,000 updated 03/31/11 the consumer was able to turn off the ignition and used the emergency brake to stop the vehicle. Updated 04/28/11

- Burnsville , NC, USA

problem #7

Feb 192011

Forester 4-cyl

  • 5,800 miles
The contact owns a 2010 Subaru Forester. The contact shifted into reverse and the vehicle abnormally accelerated backward, crashing into a building. A police report was filed and a bystander was reported as injured. The vehicle was towed to an authorized dealer where they were unable to diagnose the failure. The vehicle was then taken to an independent repair shop where the body damage was repaired. Approximately one month later the failure recurred, again upon shifting the vehicle into reverse. The vehicle continued to accelerate backward until heavy pressure was applied to the brake pedal and the ignition was turned off. The vehicle was not taken to have the failure diagnosed because the authorized dealer refused to examine the vehicle. The vehicle was not repaired. The contact also stated that there were no floor mats present in the vehicle during either failure. The failure mileage was 5,800 and the current mileage was 5,900. Updated 06/06/11 the consumer stated the dealer notified her to come in to have the ECM reprogrammed#wvu31. Updated 09/23/11 updated 01/13/2012

- Auburn, NY, USA

problem #6

Mar 032010


  • 15,000 miles
The contact owns a 2010 Subaru Forester. The contact was driving 5 mph and attempting to accelerate when the vehicle would either not respond or would abnormally accelerate at a rapid pace. The dealer was unable to duplicate the failure and the vehicle was not repaired. The manufacturer was contacted via mail but had not yet responded to the contact. The failure mileage was 15,000. Updated 05/13/11 updated 12/30/11

- Midlothian, VA, USA

problem #5

Dec 102010


  • 15,000 miles
The vehicle is a 2010 Subaru Forester. When stepping on the gas pedal to back up, the car accelerated as if the accelerator had been floored. The car shot up a snow bank and rested on a guard rail still running fast. The car was turned off and the winter mat that came with the car was on the lower part of the accelerator. We do not know if the mat caused the rapid acceleration or there was a malfunction with the car. If this had happened in a busy parking lot someone could have been killed. The mat has been removed from the car. There was damage to the under side of the car and fender.

- Oriskany, NY, USA

problem #4

Nov 062010

Forester 4-cyl

  • 21,797 miles
We experienced brake failure twice on a trip 11/4/10 - 11/6/10. The first incident occurred on 11/4 while using cruise control. To slow for a vehicle in front of us, I hit the brake pedal. The brakes were not responsive and the cruise control remained active. Pumping the brake pedal in a few seconds deactivated the cruise control and the brakes returned. This occurred with a noticeable jerk. The second incident occurred 11/6 while on heading East on rt 30 coming down sidling hill. The cruise control was not in use. While attempting to brake to reduce speed going down the hill, the brakes completely failed. Repeated attempts to use the brake pedal failed to provide any braking. I used the parking brake to slow us down; however, the parking brake did not seem very effective. It took a considerable distance to come to a stop. I proceeded down the hill in a lower gear and at some point the brakes returned to use. There does not appear to be any reason as to why they failed or how or why they returned. The car has over 20,000 miles on it and this was the first incident of brake failure; although the situation with the cruise not deactivating had occurred once before. The car was taken to the dealer on 11/7. the dealer checked both the cruise and the braking system and found no problems. The dealer reported consulting with Subaru on the problem as well. On 11/12 at the suggestion of the dealer, I contacted Subaru customer service (ref#1-1157948155). Subaru's follow up was that the car was checked and found to be ok and we should drive it and see if it happens again. This was not acceptable and we opted for a replacement vehicle at considerable out of pocket expense. This vehicle should not be sold to someone else. It should be returned to Subaru to determine what caused the failures described.

- Elizabethtown, PA, USA

problem #3

Mar 152010


  • 6,000 miles
The contact owns a 2010 Subaru Forester. The contact was driving 35 mph when the vehicle abnormally accelerated and began independently shifting gears. The failure would occur intermittently when driving at 35 mph or less. The vehicle was taken to an authorized dealer five times but the dealer could not duplicate or locate the failure. The contact spoke with the manufacturer and was awaiting a response for a request for assistance. The failure mileage was approximately 6,000 and the current mileage was approximately 15,000.

- Kirkland, WA, USA

problem #2

Feb 022010


  • 4,500 miles
The contact owns a 2010 Subaru Forester. While the contact was driving at an unknown speed the vehicle suddenly accelerated on its own. The contact was unable to stop the vehicle causing the vehicle to travel through an intersection and two residential backyards before traveling over a thick patch of snow which stopped the vehicle. The vehicle has not been diagnosed by the dealership and there were no prior warnings. The current and failure mileages were 4500.

- Somers, NY, USA

problem #1

Jan 152010


  • 2,700 miles
I purchased a 2010 subrau Forester in August 2009, ,I bought the car in to the dealer city side subrau for the 3500 mile checkup, and to have E.C.M. adjusted under a recall. This was done on 1/14/2010 the next day I was experiencing problems with sudden acceleration car back to dealer ON1/16/2010 the fact that I had no problems before adjusting the E.C.M.tells me that the sudden acceleration is computer based problem not floor mats or sticking gas pedals.

- Somerville, MA, USA

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