2015 Nissan Sentra: Transmission failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2015 Sentra report: transmission failure. CarComplaints.com lists 31 owner complaints, average mileage 63,250 miles.
NHTSA has 173 owner complaints for the 2015 Sentra in this area. Examples:
- NHTSA complaint ODI #11771868 (filed 10/17/2026): “When accelerating the rpms jump and the car will not speed up. when trying to accelerate my car, it was not wanting to go.it kept jumping the rpms between the 1 and 2. i did finally get a video of it.doing what it has been doing the past week. today just happe…”
- NHTSA complaint ODI #11755303 (filed 08/06/2026): “I am writing to report a life-threatening, sudden-onset mechanical defect in my vehicle’s continuously variable transmission (cvt). while driving in heavy traffic, my son experienced a complete and sudden loss of motive power without any warning or dashboard l…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace transmission (17 reports) the transmission was replaced (10 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $4,150 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Estimated repair cost: transmission replacement (automatic or CVT, remanufactured unit)
Average shop cost
$835
Range $400–$1,390 (labor)
4.0–10.0 h × $100–$139/h estimated shop labor rate
Parts not included.
Average mobile mechanic cost
$1,255
Range $600–$2,085 (labor)
Shop labor × 1.5 (mobile convenience premium)
Parts not included.
Estimates only, not a quote. Actual prices vary by vehicle, shop and location. See the estimate for your city → · About this repair and its cost
Same repair on other models: 2013 Chevrolet Cruze: Transmission went out · 2015 Dodge Durango: Transmission failure · 2015 Jeep Cherokee: Transmission failure check engine light on · 2016 Subaru Forester: Transmission failure · 2019 Nissan Pathfinder: Check engine light came on transmission failure · 2021 Hyundai Santa Fe: Transmission failure
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