NHTSA Complaint #11506593 — 2018 TESLA MODEL 3

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL issue reported to NHTSA

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Complaint Details

ODI Number	11506593
Vehicle	2018 TESLA MODEL 3
Component	FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Date of Incident	February 7, 2023
Date Filed	February 10, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MA

Consumer Description

FSD Beta code version: 2022.44.30.10 seems to have a nasty bug where due to some bad speed limit data for highways, will automatically change the max cruising speed set by me. Hence the car results in abruptly slowing down on the highway. I have filed bug reports via the car as soon as its happened. Locations it has occurred: On I-90 eastbound right after the Framingham on-ramp around the place where the service plaza exit happens. And on Route-2, eastbound between the I-95 offramp to Rt-2 thru Rt-2 exit to Winter Street. Its due to bad navigation data as the speed change happens very predictablely in the same area, regardless of road conditions, car position in lane, or weather conditions. This never happened in the past 4 years. FSD automatically changed max speed from 75 to 61 miles per hr, causing the slow down.

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