2015 Subaru Legacy 2.5i, approximately 48,000 miles. CVT transmission failed suddenly with no prior warning signs. Vehicle was exclusively dealer-serviced for its entire life. While driving, the transmission began shuddering, slipping, and making metallic grinding noises. Vehicle could barely climb a small ramp and was locked in limp mode, making it unsafe to operate in traffic. Diagnostic codes P0841, P0700, and C1431 were stored. Authorized Subaru dealer confirmed the failure. Technician stated the valve body likely failed first — a known defect per Subaru TSB 16-107-17R — which then caused the CVT chain to slip. Dealer quoted $11,000 for a remanufactured CVT replacement. Service representative stated she had never seen a transmission need replacement at such low mileage. No warning lamps or symptoms existed prior to sudden onset. CVT fluid was never changed, consistent with the manufacturer's U.S. maintenance schedule. This vehicle falls under Subaru's CVT Warranty Extension covering 2010-2015 Legacy models due to known defects. Vehicle is well under the 100,000-mile limit but approximately 13 months past the 10-year time limit. I opened a case with Subaru of America Customer Advocacy. My dealer informed me that Subaru Corporate contacted them and communicated a decision regarding my case, but Subaru has never communicated any decision to me directly. Multiple emails, a voicemail, and a request for escalation have gone unanswered over several days. This failure poses a safety risk as the transmission can fail suddenly and without warning while in motion, potentially with passengers including children.
Subaru Legacy shudder problems
35 of the 3,184 owner complaints about the Subaru Legacy describe shudder or vibration when accelerating, most of them for the 2011 model year.
- owner complaints
- 35
- worst model year
- 2011
- typical mileage
- 117,894
By model year
Often reported together
Stalling 25CVT failure 6Transmission failure 3Sudden acceleration 1Won't shift 1Slipping 1Premature wear 1Hesitation 1
Trouble codes mentioned
P0841 1P0700 1C1431 1
What owners say
Please see ODI#11486236 & request # 562681 “ part 1” I wrote complaining about a 2012 Subaru Legacy Torque Converter issue. It was “ out of warranty 7/31/22 or 100k miles. At the time it started stalling it was at 103k miles in August 2022! I did not feel comfortable driving it. On 10/19/22 My mechanic drove my car & it shuddered & stalled at intersections for him also. I did not feel comfortable driving it 25 miles to a Subaru dealer to have them check it, diagnose it & repair it. My mechanic replaced the Torque Converter as well as the appropriate fluids. It cost about $1500 for parts & labor. Since this is a FAULTY part installed prior to purchase I feel Subaru needs to recall all these vehicles affected. I emailed you MULTIPLE emails online re: multiple complaints about this faulty part which causes a dangerous situation stalling at lights & intersections requiring one to stop & start. I was almost broadsided a few times. Subaru should do the right thing and recall all vehicles involved & your Agency should do the right thing & demand it for the safety of the public.
The contact owns a 2012 Subaru Legacy. The contact stated while driving 35 MPH and coming to a stop, the vehicle shuddered and shut off. There was no warning light illuminated. The contact was able to restart the vehicle and continued driving. The contact’s husband, an independent mechanic, replaced the spark plugs, ignition coils, and fuel filter; however, the failure reoccurred several times while driving. Upon investigation, the contact became aware of Subaru Technical Service Bulletin Number: 16-90-13R for transmission failure. An unknown dealer and the manufacturer were notified of the failure and informed the contact that the vehicle was not eligible for the Technical Service Bulletin repair due to the mileage. The vehicle was not diagnosed or repaired. The failure mileage was approximately 145,000.
1. When coming to a stop the vehicle will shudder and stall. Vehicle drives fine until slowing down to and then will sometimes shudder and stall. 2. The car stalling when slowing down others drivers can hit you as they do not expect you to come to a complete stop. 3. I am taking the car to the dealer tomorrow. 4. I have notified the dealer of the issue and I have found two bulletins from the manufacture regarding this issue, which I found from other people who have complained of the same exact problem with their make of vehicle 5. No warning lights came on, I would slow down for a stop sign and before even stopping the car shudders and stalls, I have to put the car in park to start the and the car so far has started.
10/4/21 engine suddenly surges while waiting in line at bank -- thunderous roar, heavy shaking. Assumed it was transmission problem. I put it in park and removed the key to stop it. I got out of car because I was scared. Got back in after a few minutes and started it up again. It shook and roared again. Turned it off and got back out. After about half an hour I tried again, and it seemed to run normally. Afraid to drive it home, I pulled into bank parking lot and called my husband for advice. It is a risk because car could accelerate unexpectedly and hit someone Not yet seen by dealer but I plan to take it in for repair No warning indicators noticed Prior to this for some weeks, car shuddered frequently when braking
First time car stalled when brakes were applied. Car (subaru legacy 2012) had 140k miles on it. Went to a subaru dealer and they replaced the torque converter. There is a service bulletin out there for this model which caps the mileage for free repair at 100k miles. After 30 miles with a new torque converter, car started shuddering at 45mph. Multiple sensor lights came on with steering becoming difficult. Turned into a small street where the car stalled at low speeds. Took a couple of tries to start the car and sent it back to the dealership for repairs.
Vehicle stalls and hesitates from completes and shudders when coming to a stop usually at intersections. Contributing factor is torque converter and possibly valve body. Known safety issue to subaru that is no longer covered by warrenty.
My subaru has a stalling problem. It will stall at hard stops or when I roll to a stop. It can be very dangerous when going up a hill where you need to slow down or if someone stops hard in front of me. It shudders like it wants to stall many times throughout the day. Subaru need to look into this cause many people have this problem and it is very unsafe.
Car shudders when turning left or right. Subaru has other models on recall for this issue. Noticed it at first when pulling into a parking lot space
My 2011 subaru legacy is experiencing shuddering and stalls when coming to a stop resulting in the engine shutting off. I can describe this condition similar to coming to a stop in a manual transmission equipped vehicle without depressing the clutch. It is seem similar to like the vehicle is stalling or cause it to stall.
Related recalls
Power train: automatic transmission: park/neutral start interlock switch
- What is wrong
- Subaru of America, Inc. is recalling certain model year 2021 Crosstrek, 2022 Forester, 2021-2023 Legacy, and Outback vehicles. An insufficient weld may allow water to enter the inhibitor switch, causing it to fail.
- Risk
- An inoperative inhibitor switch may prevent the reverse lights from illuminating and the rearview camera image from displaying, increasing the risk of a crash.
- Remedy
- Dealers will replace the inhibitor switch, free of charge. Owner notification letters were mailed January 8, 2024. Owners may contact Subaru customer service at 1‑800‑782‑2783. Subaru's number for this recall is WRQ-23.
Recall number 23V755000 · Recall details
Power train: driveline: driveshaft
- What is wrong
- Subaru of America, Inc. (Subaru) is recalling certain 2023 Outback, Legacy, Ascent, and Impreza vehicles. The center support bolts for the driveshaft may loosen, resulting in the disconnection of the front end of the driveshaft.
- Risk
- Separation of the front end of the driveshaft increases the risk of a crash.
- Remedy
- Dealers will clean the bolt mounting surfaces of the center support brace and install new bolts, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Subaru's customer service at 1‑844‑373‑6614. Subaru's number for this recall is WRN-23.
Recall number 23V647000 · Recall details
Power train: driveline: chain/belt
- What is wrong
- Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
- Risk
- An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
- Remedy
- Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters are expected to be mailed August 24, 2022. Owners may contact Subaru's customer service at 1‑844‑373‑6614. Subaru's number for this recall is WRK-22. This recall is an expansion of previous recall number 21V‑955.
Recall number 22V485000 · Recall details
Power train: driveline: chain/belt
- What is wrong
- Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
- Risk
- An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
- Remedy
- Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 19, 2022. This recall includes all vehicles previously recalled under 19V‑855. Vehicles previously recalled under 19V‑855 will need to have the new remedy performed for this recall once available. Owners may contact Subaru customer service at 1‑844‑373‑6614. Subaru's number for this recall is WRK-21.
Recall number 21V955000 · Recall details
Power train: driveline: differential unit
- What is wrong
- Subaru of America, Inc. (Subaru) is recalling certain model year 2016 Legacy vehicles manufactured October 24, 2015, to November 16, 2015, and Outback vehicles manufactured October 24, 2015, to November 17, 2015. Due to the improper tightening of the securing nuts, the drive shaft may separate from the rear differential.
- Risk
- If the drive shaft detaches from the rear differential, it may strike the fuel tank and result in a fuel leak, increasing the risk of a fire.
- Remedy
- Subaru has notified owners, and dealers will inspect the fastening nuts, and tighten or replace them, as necessary, free of charge. The recall began on December 10, 2015. Owners may contact Subaru customer service at 1‑856‑488‑8500. Subaru's number for this recall is WQV-57.
Recall number 15V794000 · Recall details
Power train: automatic transmission
- What is wrong
- Subaru of America, Inc. (Subaru) is recalling certain 2015 and 2016 model year Subaru Legacy 4-Door and Outback vehicles manufactured July 3, 2015, to July 27, 2015. Transmission oil may leak from a deformed seal cap on the propeller shaft yoke.
- Risk
- If the transmission oil leaks onto the exhaust pipe, there is a possible risk of fire.
- Remedy
- Subaru will notify owners, and dealers will replace the propeller shaft, free of charge. The recall began on August 28, 2015. Owners may contact 1‑800‑782‑2783. Subaru's number for this recall is WQU-56.
Recall number 15V502000 · Recall details
Power train: automatic transmission
- What is wrong
- Subaru of America is recalling certain model year 2014 Legacy 3.6R and Outback 3.6R and 2013 Tribeca vehicles manufactured June 12, 2013, through June 28, 2013 and equipped with 5-speed automatic transmissions. In the affected vehicles, the parking rod may come loose inside the automatic transmission.
- Risk
- As a result of the parking rod detaching, the transmission may not be able to be moved from the "park" position preventing the vehicle from being moved or driven. Furthermore, even with the transmission shifted into the 'park' position, the parking mechanism may not engage, and the vehicle may roll away while in the "park" position, increasing the risk of a crash.
- Remedy
- Subaru will notify owners, and dealers will replace the transmission, free of charge. The recall began during August 2013. Owners may contact Subaru at 1‑800‑782‑2783. Subaru's recall number is WQJ-46.
Recall number 13V336000 · Recall details
Power train: manual transmission
- What is wrong
- Subaru is recalling certain model year 2010 and 2011 outback and legacy passenger vehicles manufactured from april 28 through june 23, 2010. Due to a programming error, a lubrication hole within the 6-speed manual transmission was omitted.
- Risk
- If the transmission gears are not properly lubricated, a groaning sound may begin to develop alerting the driver of a problem. If the sound is ignored and no action is taken, the gears will eventually break and this condition will lead to vehicle power loss, possibly resulting in a crash.
- Remedy
- Subaru will notify owners and dealers will repair the vehicles by drilling an oil lubrication hole and, if necessary, replace the internal parts with new ones free of charge. The safety recall began on july 28, 2010. Owners may contact subaru at 1‑800‑782‑2783.
Recall number 10V326000 · Recall details
Power train: automatic transmission
- What is wrong
- Certain sport utility and passenger vehicles equipped with automatic transmissions were produced with an improperly manufactured transmission parking rod. When the transmission selector lever is placed in the "p" (park) position, the transmission park mechanism, that is intended to hold your vehicle, may not engage.
- Risk
- The vehicle could then move/roll without prior warning, increasing the risk of a crash.
- Remedy
- Dealers will replace the automatic transmission parking rod assembly. Owner notification january 8, 2003. An interim owner notification will be sent during november 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact subaru at 1‑800‑782‑2783.
Recall number 02V282000 · Recall details
Power train: driveline: center support bearing
- What is wrong
- Vehicle description: sedan l model passenger vehicles. Anti-rust coating was incorrectly applied to the transverse link mounting surface of the vehicle body. Over time the coating shrinks, causing a torque decrease of the bolt that secures the transverse link bracket to the vehicle body.
- Risk
- This can result in loosening of the bracket and subsequent separation of the transverse link from the vehicle frame.
- Remedy
- Dealers will inspect the vehicles and, if necessary, remove the anti-rust coating under the mounting location of the left transverve link mounting bracket bolt and retorque the mounting bolt to the required torque.
Recall number 99V249000 · Recall details
Questions about the Subaru Legacy shudder
Which Subaru Legacy years have shudder or vibration when accelerating problems?
The model years with the most reports are 2011 (11 complaints), 2012 (9 complaints) and 2010 (6 complaints).
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