OFFICIAL CAMPAIGN FILE

NHTSA campaign 21V846000

NHTSA campaign 21V846000 covers 17 published year-and-model reports from 1 makes in this index and lists 11,728 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received October 29, 2021 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 21V846000 says

NHTSA campaign 21V846000 identifies FORWARD COLLISION AVOIDANCE and states that Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.

Defect summary

Tesla, Inc. (Tesla) is recalling certain 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y vehicles operating software version 2021.36.5.2. A communication error may cause false forward-collision warning (FCW) or unexpected activation of the automatic emergency brake (AEB) system.

Consequence summary

Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 21V846000

For NHTSA campaign 21V846000, the filed corrective action says: Tesla Service has released an over-the-air (OTA) software update, free of charge. The recall began October 25, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-00-004.

Tesla Service has released an over-the-air (OTA) software update, free of charge. The recall began October 25, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-00-004.

Owner notification: October 25, 2021
Filing manufacturer: Tesla, Inc.
Component groups: FORWARD COLLISION AVOIDANCE

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 21V846000

RecallRoad links 17 year-and-model reports associated with NHTSA campaign 21V846000; the list reflects published source rows, not individual VIN coverage.