NHTSA Complaint #11714886 — 2018 TESLA MODEL 3

UNKNOWN OR OTHER issue reported to NHTSA

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Complaint Details

ODI Number	11714886
Vehicle	2018 TESLA MODEL 3
Component	UNKNOWN OR OTHER
Date of Incident	January 25, 2026
Date Filed	February 2, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	WA

Consumer Description

After downloading Tesla’s update (no. 2025.44.25.4) software my heater (with the window defrost functionality) in winter stopped operating. I made my update while at my nearest Tesla service compound (location verifiable per system location log) on 01/25/26 when that same day software began throwing HVAC error codes with blowing cold air, when previously my heat ran well. This is not coincidental; this is system design failure.

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