2014–2015 Subaru Forester: CVT judder, shudder or transmission failure
Likely causes, ranked
- CVT valve body, torque converter or chain/pulley wear (repaired or replaced)Shop
- Old CVT fluid on high-mileage carsShop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: Shudder or judder when pulling away or at light throttle, a whine that rises with speed, hesitation, or a flashing AT temperature light.
Likely causes
- Internal CVT problems. Owners in the Subaru Outback Forums failure thread describe valve body, torque converter and full CVT replacements. Some note the units can be rebuilt by specialists.
- Fluid. Many owners recommend a CVT fluid drain and fill on higher-mileage cars.
DIY or shop?
Shop or dealer.
Useful steps
- Check whether you're still within 10 years/100,000 miles of the original warranty start, the extension Subaru applied in 2017.
- Ask the dealer to run your VIN for coverage.
- Get a second opinion from a Subaru transmission specialist before agreeing to a full replacement.
Vehicle focus: 2014–2015 Subaru Forester.
Safety / mechanic note
A transmission that slips or goes into limp mode can be dangerous in traffic. Verify with a mechanic.
Recalls & service bulletins
Technical service bulletins
- 16-107-17 Subaru extended CVT coverage to 10 years/100,000 miles on 2010–15 Legacy/Outback, 2012–15 Impreza, 2013–15 Crosstrek, 2014–15 Forester and 2015 WRX CVTs. Details
NHTSA complaints: 111 keyword-matched complaints (of 1,018 unique complaints filed under NHTSA model names FORESTER, 2014–2015; NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.