2021 Tesla Model S Forward Collision Avoidance: Automatic Emergency Braking Problems
NHTSA component category: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · data through 07/12/2026
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
Share of the 175 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Tesla Model S overview page.
What owners report
“Oncoming vehicle suddenly turned in front of 2021 Tesla Model S resulting in collision at 34mph. Automatic braking did not engage, collision warning system failed…”NHTSA complaint 11520934 — filed 05/08/2023
“Our Tesla, in the "Full Self Drive" mode, has on more than one occasion applied the brakes suddenly without warning while traveling on the freeways…”NHTSA complaint 11497620 — filed 12/15/2022
“When in autopilot, at highway speeds, the car suddenly will brake. There is nothing that instigates this and it seems to be a safety hazard.”NHTSA complaint 11493763 — filed 11/16/2022
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 Tesla Model S have forward collision avoidance: automatic emergency braking problems?
Forward Collision Avoidance: Automatic Emergency Braking is the #3 most-reported problem area on the 2021 Tesla Model S: 27 of 175 complaints on file (15.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Tesla Model S have in total?
175 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 13 involved a crash, 2 involved a fire, 4 reported injuries, and 1 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.