2020 Nissan Sentra: Car brakes without reason or warning
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Sentra report: car brakes without reason or warning. CarComplaints.com lists 4 owner complaints, average mileage 18,750 miles.
NHTSA has 25 owner complaints for the 2020 Sentra in this area. Examples:
- NHTSA complaint ODI #11669440 (filed 06/26/2025): “Vehicle had aeb system malfunctioning. the brakes did not work. the emergency brake barely worked. we were driving on fathers day to a family gathering and the system and brakes malfunctioned, yes we collided with the curb and debris on the side of the road ca…”
- NHTSA complaint ODI #11668938 (filed 06/24/2025): “On june 10 2025 the brake sensor malfunctioned for my 2020 nissan sentra this was the secound timethe first time was about one week before..the brake peddle went down , car brakes ,brakes.i was driving speed limit of 20.there were no cars on the street or obje…”
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: check sensor defective (2 reports). 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
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Car brakes without reason or warning (2020 Sentra)
- NHTSA complaints API, 2020 Sentra
Page last updated .