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2021 Tesla Model Y Forward Collision Avoidance: Adaptive Cruise Control Problems

NHTSA component category: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL · data through 07/12/2026

403Forward Collision Avoidance: Adaptive Cruise Control complaints
38.9%Of all 1,035 complaints
#1Most-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: adaptive cruise control ranks on this vehicle

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL403 · 38.9%
SERVICE BRAKES177 · 17.1%
Unspecified / other131 · 12.7%

Share of the 1,035 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Tesla Model Y overview page.

What owners report

“While using Tesla Autopilot, I’m receiving significant “phantom breaking” events where the vehicle, for no apparent reason, applies the breaks, quickly and unexpectedly decelerating at…”NHTSA complaint 11440478 — filed 11/15/2021
“While driving using cruise control the vehicle will occasionally brake suddenly for unknown reasons. In one instance I was worried that the car following me…”NHTSA complaint 11439924 — filed 11/09/2021
“Our 2021 Model Y features the new vision based cruise control system, both traffic aware cruise control and autopilot utilize this camera only system. At…”NHTSA complaint 11439876 — filed 11/09/2021

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

Forward Collision Avoidance: Adaptive Cruise Control complaints by year filed

50202127220225020231520249202572026

Frequently asked questions

Does the 2021 Tesla Model Y have forward collision avoidance: adaptive cruise control problems?

Forward Collision Avoidance: Adaptive Cruise Control is the most-reported problem area on the 2021 Tesla Model Y: 403 of 1,035 complaints on file (38.9%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2021 Tesla Model Y have in total?

1,035 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 85 involved a crash, 6 involved a fire, 25 reported injuries, and 4 reported deaths.

What does NHTSA's forward collision avoidance: adaptive cruise control category include?

NHTSA assigns each complaint to standard component categories; this page reports the FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL 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 07/12/2026.