Transmission complaints by model year
| Year | Complaints | Share of year's complaints | Typical mileage |
|---|---|---|---|
| 2022 | 1 | 3% | — |
| 2021 | 2 | 6% | — |
| 2020 | 7 | 6% | 45,000 miles |
| 2019 | 1 | 1% | — |
| 2018 | 2 | 2% | 45,000 miles |
| 2017 | 4 | 3% | 33,000 miles |
| 2016 | 13 | 9% | 17,000 miles |
| 2015 | 15 | 9% | 90,000 miles |
| 2014 | 6 | 11% | 50,000 miles |
| 2013 | 12 | 18% | 109,000 miles |
| 2012 | 34 | 38% | 112,000 miles |
| 2011 | 47 | 28% | 115,000 miles |
| 2010 | 50 | 33% | 100,000 miles |
| 2009 | 2 | 3% | 83,000 miles |
| 2008 | 6 | 9% | 95,000 miles |
| 2007 | 1 | 3% | 50,000 miles |
| 2006 | 8 | 9% | 40,000 miles |
| 2005 | 13 | 7% | 72,000 miles |
| 2004 | 2 | 4% | 1,000 miles |
| 2003 | 5 | 8% | 23,000 miles |
| 2002 | 7 | 13% | 21,000 miles |
| 2001 | 2 | 3% | 126,000 miles |
| 2000 | 14 | 15% | 76,000 miles |
| 1999 | 18 | 19% | 101,000 miles |
| 1998 | 14 | 12% | 111,000 miles |
| 1997 | 17 | 12% | 113,000 miles |
| 1996 | 8 | 7% | 130,000 miles |
| 1995 | 9 | 5% | — |
Which parts fail
Components named in complaints (automatic and manual transmissions, CVT, axles, driveshaft, 4WD/AWD).
Mileage when the problem started
What owners report
The contact owns a 2020 Subaru Legacy. The contact stated that while in a parking space with her foot on the brake pedal and the transmission in drive(D), the vehicle independently accelerated without warning. The contact stated that the vehicle drove over the parking median; however, she managed to stop the vehicle before accelerating up a hill. Due to the failure, the contact had the vehicle towed to a dealer but the mechanic found no defect with vehicle. The manufacturer was notified of the failure and a complaint was filed. The vehicle was not diagnosed or repaired. The failure mileage was approximately 45,000.
The contact owns a 2020 Subaru Legacy. The contact stated while driving at an undisclosed speed, the contact stated that several unknown warning lights illuminated, and the gear shifter was inoperable. The contact stated that the transmission failed to shift as needed. The vehicle was towed to the dealer but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 69,738.
A 2017 Subaru Legacy was stopped on a hill, on the shoulder of a two lane service road. The driver, who was the car owner, placed the gear selector in park, left the motor idling, exited the vehicle, closed the driver side door, loaded several logs into the trunk, and slammed the trunk. The passenger remained in the vehicle, seated in the passenger seat. The motor idled for about 10 minutes after the driver exited the vehicle. No alarms sounded to alert the driver or passenger that the car was not left as intended-motor running and in park. The vehicle remained completely stationary for about 10 minutes until the passenger reached over and pushed the ignition button to turn off the engine. At this time, the vehicle started to roll forwards down the hill. The passenger was not able to climb over the center console into the driver seat, but found she was was able to steer the vehicle. …
Driving to work in the morning I began slowing down for a red light. When the vehicle get to ten miles an hour there was a loud bang and felt like the car downshifting. I stopped and checked nothing was abnormal , no warning lights or and signs of damage or failure and the vehicle continued to function normally. So I proceeded to work roughly 20 miles. About 30 minutes later as I was on the off ramp and at about the same speed of 10 miles per hour the vehicle had multiple loud bangs followed but screaching and metal grinding. I was at my job so I pulled into the parking lot as to not get stuck in the road. The vehicle made one more louder bang and all the warning light illuminated and the vehicle lost all ability to drive. Underneath was a puddle off oil. This vehicle has 89,000 miles and to have thus happen to the transmission for no apparent reason was a shock and disappointment. …
The contact owned a 2016 Subaru Legacy. The contact stated that while attempting to park the vehicle, it suddenly accelerated crashing a small tree causing the contact to reverse the vehicle. When placed in reverse the vehicle accelerated and crashed into another vehicle. The air bags did not deploy. There was damage done to both the tree and other vehicle. The vehicle was towed and deemed total. A police report was filed. The contact had received a bruise on their knee and sought out medical attention. The contact dealer was not made aware of the falure. The manufacturer was not made aware of the failure. The approximate failure mileage was 17,000.
The contact owns a 2016 Subaru Legacy. The contact stated that the key would not release from the ignition switch. The contact had to move the shift lever back and forth to take the key out of the ignition switch. The vehicle was taken to the dealer and diagnosed with a faulty shift lever plate that needed to be replaced. The vehicle was not repaired and remained at the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 35,000.
The contact owned a 2015 Subaru Legacy. The contact stated that while the vehicle was parked, the contact opened and closed the trunk, triggering the alarm system. The alarm system failed to deactivate immediately. The vehicle then failed to restart as needed, and the "Shift to Park" message was displayed while the transmission was in park(P). The vehicle was towed to the dealer, where the brake fuse was replaced; however, the failure persisted. The contact replaced the brake fuse for a second time, but the failure recurred. The vehicle was towed back to the dealer, where an unknown repair was performed. The contact later sold the vehicle. The manufacturer was not made aware of the failure. The failure mileage was approximately 175,000.
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. …
Related recalls (11)
Power train › Automatic transmission › Park/neutral start interlock switch
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.
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.
Power train › Driveline › Driveshaft
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.
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.
Power train › Driveline › Chain/belt
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.
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.
Power train › Driveline › Chain/belt
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.
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.
Power train › Driveline › Differential unit
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.
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.
Show 6 more recalls
Power train › Driveline › Driveshaft
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.
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.
Power train › Automatic transmission
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.
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.
Power train › Manual transmission
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.
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.
Power train › Automatic transmission
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.
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.
Power train › Driveline › Center support bearing
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.
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.
Power train › Automatic transmission › Gear position indication (PRNDL)
Vehicle description: passenger vehicles equipped with automatic transmissions. Due to poor welds, ignition keys can stick, shift levers/linkages can break and shift levers can move.
Remedy: Dealers will replace the automatic transmission shift lever assemblies (except the handle grip).
Frequently asked questions
Which Subaru Legacy years have transmission problems?
By NHTSA complaints, the 2010 (50), 2011 (47), 2012 (34), 1999 (18) and 1997 (17) model years. Transmission complaints make up 33% of all complaints for the 2010.
Is there a recall for Subaru Legacy transmission problems?
Yes — 11 recalls, including 23V-755 (park/neutral start interlock switch, Nov 9, 2023); 23V-647 (driveshaft, Sep 21, 2023); 22V-485 (chain/belt, Jul 8, 2022). Recall repairs are free at authorized dealers; check a specific car with the VIN recall check.
At what mileage do Subaru Legacy transmission problems start?
Across all years, half of the complaints with a recorded mileage happened before about 91,000 miles; 31% happened before 50,000 miles.
What part fails most often?
Owners most often name the automatic transmission (54 mentions), followed by the manual transmission (21).
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.