2015 Nissan Altima: Transmission failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2015 Altima report: transmission failure. CarComplaints.com lists 12 owner complaints, average mileage 65,250 miles.
NHTSA has 161 owner complaints for the 2015 Altima in this area. Examples:
- NHTSA complaint ODI #11744010 (filed 06/14/2026): “Subject: dangerous transmission failure in 2015 nissan altima while my 2015 nissan altima has always exhibited questionable performance—including abnormal acceleration, hesitation during throttle response, and mismatched rpms relative to acceleration—the tran…”
- NHTSA complaint ODI #11719400 (filed 02/20/2026): “The transmission failed in my 2015 nissan altima. the check engine light is currently on due to a defective transmission. while i understand that nissan extended the transmission warranty by two years or 24,000 miles following a class action lawsuit, i find t…”
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 (8 reports) replace valve assembly (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 $4,300 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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