2019 Nissan Altima: Aeb activates sporadically no obstuction
Common wear/failure (not a recall)
Symptoms
Owners of the 2019 Altima report: aeb activates sporadically no obstuction. CarComplaints.com lists 4 owner complaints, average mileage 17,850 miles.
NHTSA has 29 owner complaints for the 2019 Altima in this area. Examples:
- NHTSA complaint ODI #11716913 (filed 02/10/2026): “I changed the air mass flow sensor and it’s still showing the check engine light on my dash board and giving me the same code after replacing it brand new. my brakes sound horrible after replacing both sets of brakes, front and back. the foward collision warn…”
- NHTSA complaint ODI #11671702 (filed 07/07/2025): “Driving down the road and my parking brake light came on when it wasn’t in park and i was on a highway. malfunction light came on, but car runs fine and had it looked at with no problems.…”
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: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Pads and rotors are a common DIY job with hand tools and a jack; ABS/hydraulic faults need a scan tool. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $1,170 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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