2021 Nissan Sentra Forward Collision Avoidance: Automatic Emergency Braking Problems

NHTSA component category: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · data through 07/14/2026

26Forward Collision Avoidance: Automatic Emergency Braking complaints

20.5%Of all 127 complaints

#3Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How forward collision avoidance: automatic emergency braking ranks on this vehicle

ELECTRICAL SYSTEM38 · 29.9%

STEERING36 · 28.3%

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING26 · 20.5%

SERVICE BRAKES23 · 18.1%

Unspecified / other18 · 14.2%

Share of the 127 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Nissan Sentra overview page.

What owners report

“Automatic emergency brake engaged while driving when there was not a car directly in front of me. There were no obstructions on the road and…”NHTSA complaint 11641476 — filed 02/08/2025

“My ABS light randomly come on along side of traction control, front and rear collision assistance lights. Car has had electrical problems since I got…”NHTSA complaint 11603078 — filed 07/18/2024

“While driving, car brakes by itself. There were no cars in front or behind. Red light flash on dashboard and then snatched brakes by itself…”NHTSA complaint 11567102 — filed 01/22/2024

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Forward Collision Avoidance: Automatic Emergency Braking complaints by year filed

Frequently asked questions

Does the 2021 Nissan Sentra have forward collision avoidance: automatic emergency braking problems?

Forward Collision Avoidance: Automatic Emergency Braking is the #3 most-reported problem area on the 2021 Nissan Sentra: 26 of 127 complaints on file (20.5%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2021 Nissan Sentra have in total?

127 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 14 involved a crash, 1 involved a fire, 8 reported injuries, and none reported deaths.

What does NHTSA's forward collision avoidance: automatic emergency braking category include?

NHTSA assigns each complaint to standard component categories; this page reports the FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.