NHTSA Complaint #11316041 — 2014 TESLA MODEL S

FUEL/PROPULSION SYSTEM issue reported to NHTSA

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Complaint Details

ODI Number	11316041
Vehicle	2014 TESLA MODEL S
Component	FUEL/PROPULSION SYSTEM
Date of Incident	May 1, 2019
Date Filed	March 4, 2020
Mileage	65,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	OR

Consumer Description

RE: NHTSA ACTION NUMBER: DP19005 - INVESTIGATION SUBJECT : BATTERY MANAGEMENT SOFTWARE UPDATES A SOFTWARE UPDATE IN MAY 2019 IS WHEN THIS BEGAN, TESLA HAS CAPPED THE MAX VOLTAGE THE HIGH VOLTAGE BATTERY WOULD CHARGE TO, SHOULD BE 4.2 VOLTS AND NOW ITS 4.08 VOLTS. TESLA CLAIMS THIS WAS DONE "OUT OF AN ABUNDANCE OF CAUTION" AFTER SEVERAL NON-CRASH FIRES HAPPENED TO THESE MODELS. TESLA TOOK ACTION TO DOWNGRADE HORSEPOWER AND RANGE ALONG WITH ALL OTHER ASPECTS OF PERFORMANCE THROUGH A TOTAL VOLTAGE CAP AFTER CLAIMING TO BE RELEASING A FIRE-SAFETY UPDATE. THERE HAS BEEN NO OFFICIAL SAFETY UPDATE TO DATE. THIS CHANGE HAPPENED WHILE THE CAR WAS PARKED IN MY GARAGE AND STATIONARY.

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