2021 Subaru Forester Transmission and drivetrain Problems
- Complaints
- 15about this part
- Share
- 7%of 212 total for the year
- Median mileage
- 11,250miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 15 complaints about the transmission and drivetrain of the 2021 Subaru Forester, 7% of the 212 complaints for this model year. Where a mileage was given, the median is 11,250 miles. 5 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“On 04/02/2022, several minutes after having filled the gas tank, I was driving at about 35 mph on a two lane road at constant throttle, when the engine suddenly lost power for several seconds before it regained acceleration. There was a pickup truck following me very closely and it swerved around me to avoid hitting me. On 04/13/2022 , several minutes after leaving my driveway, at about 27 mph on a two lane road, the engine again lost power for several seconds before resuming power. In the first case the engine was at operating temp., in the second case it was cold. …”
NHTSA complaint #11462054, filed 2022-04, 12,500 miles“Having repeat issues with the windshield cracking. My vehicle has around 32k miles, and I'm already on my 3rd windshield. I've never had this issue with any other vehicle. It's been extremely costly. Also the transmission failed and had to be replaced at 26,000 miles.”
NHTSA complaint #11625815, filed 2024-11“Car was parked on driveway (6 degree slope to rear) Car was placed in park Driver exited car to go into house when she came out car had rolled down the driveway to hit another car parked across street rear facing bot cars had rear damage. The same thing happened to the car one week later when parked in the garage placed in park but started to roll back. Was able to stop it because I was still in the car I use the parking brake now all the time”
NHTSA complaint #11485237, filed 2022-09“Once or twice a day my vehicle hesitates from a light and I have to almost floor it to get it going again.I have brought it to 2 different Subaru dealers 3 times and they say they can't fix the problem.”
NHTSA complaint #11569468, filed 2024-02“The 2021 Subaru Forester had been functioning normally with no warning lights. About 25 minutes into the drive I had come to a stop light on an upward incline. When the light turned green I moved from the brake to the gas as usual. However the auto-start function on the car failed, causing the engine to stall. A loud clunking sound was heard and the dashboard lit up with multiple lights, although I do no recall which ones were illumined. I attempted to press the gas again and the car did not respond. …”
NHTSA complaint #11571429, filed 2024-02Related service bulletins
- 11037942Sep 28, 2026This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance application.
- 11036804Aug 21, 2026This Announcement provides diagnostic assistance for CVT issues.
- 11036814Aug 20, 2026This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR580 model CVT transmissions used in the models listed.
- 11036810Aug 20, 2026This bulletin announces a design change made to the CVT Control Valve Body. The updated valve body incorporates an enhanced valve sleeve to improve durability. This is an revised…
- 11036809Aug 20, 2026This Service Information Bulletin announces the release of a new diagnostic assistance application for TR690 and TR580 CVT-equipped vehicles. This is an revised version of the…
- 11036806Aug 20, 2026This Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model…
- 11034242Jun 2, 2026This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability. (This is an revised version of the…
- 11033063May 13, 2026This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.
- 11033056May 4, 2026This announcement provides information on the remanufactured CVT transmission program.
- 11032040Apr 24, 2026This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 6% |
| 2025 | 4 | 4% |
| 2023 | 5 | 7% |
| 2022 | 4 | 4% |
| 2021 | 15 | 7% |
| 2020 | 32 | 5% |
| 2019 | 38 | 5% |
| 2018 | 23 | 5% |
| 2017 | 46 | 8% |
| 2016 | 51 | 12% |
| 2015 | 95 | 15% |
| 2014 | 41 | 10% |
| 2013 | 6 | 8% |
| 2012 | 5 | 5% |
| 2011 | 8 | 5% |
| 2010 | 7 | 3% |
| 2009 | 17 | 10% |
| 2008 | 2 | 4% |
| 2007 | 11 | 15% |
| 2006 | 4 | 5% |
| 2005 | 5 | 5% |
| 2004 | 12 | 5% |
| 2003 | 9 | 5% |
| 2002 | 16 | 18% |
| 2001 | 23 | 17% |
| 2000 | 21 | 28% |
| 1999 | 32 | 24% |
| 1998 | 23 | 23% |
Other parts of the 2021 Subaru Forester
90 complaintsOther or unknown
43 complaintsElectrical system
34 complaintsEngine
34 complaintsForward collision avoidance
17 complaintsVehicle speed control
12 complaintsLane departure
8 complaintsBrakes
7 complaintsFuel system
7 complaintsBody and structure
4 complaintsSuspension
4 complaintsSteering
3 complaints
← All problems reported for the 2021 Subaru Forester
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology