2014 Nissan Sentra: Transmission failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2014 Sentra report: transmission failure. CarComplaints.com lists 49 owner complaints, average mileage 85,750 miles.
NHTSA has 182 owner complaints for the 2014 Sentra in this area. Examples:
- NHTSA complaint ODI #11709350 (filed 01/07/2026): “The contact owns a 2014 nissan sentra. the contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. the vehicle was taken to an independent mechanic, where it was diagnosed with a mass air flow sensor failure under…”
- NHTSA complaint ODI #11684032 (filed 08/29/2025): “Transmission failed, as i went to turn left it stalled and on coming traffic had to slam on there brakes and 6 veh. ran into each other i dud not get hit but feel so bad that the 2914 nissan sentra i drive caused this traffic hazard. 2 people had to go to the …”
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: transmission replacement (26 reports) replaced transmission (17 reports) replace transmission (1 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 $3,700 (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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