Home · 2014 Tesla Model S 75d · Complaints

What 365 owners told NHTSA about the 2014 Tesla Model S 75d

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (365)Crash / fire / injury (59)Electrical system (132)Suspension (90)Lights (27)Steering (27)Transmission & drivetrain (27)Body & structure (26)Fuel system (24)Speed control (22)Visibility & wipers (17)Airbags (13)

Newest first · 365 complaints · page 11 of 15

Jan 27, 2020Transmission & drivetrain

SUBFRAME BROKE AFTER 80,000 MILES OR NORMAL DRIVING. NO ACCIDENTS OR DAMAGE TO CAR AFFECTING THIS AREA. JUST DRIVING ON THE HIGHWAY AND ALL OF SUDDEN STARTED TO HEAR A THUMPING SOUND WHEN ACCELERATING OR DECELERATING OR BACKING UP.

NHTSA ODI 11302375

Jan 21, 2020Speed controlElectronic Stability Control (esc)Crash1 injury

FROM A COASTING POSITION IN AN UNDERGROUND GARAGE, I TURNED RIGHT TO ROUND A 90 DEGREE CORNER. AFTER COMPLETING THE TURN MY CAR BEGAN TO SPEED UP RAPIDLY. WHEN I FIRST NOTICED THE ACCELERATION BEGINNING, I STEPPED ON THE BRAKE, WHICH HAD NO EFFECT. THE CAR CONTINUED TO ACCELERATE OVER A DISTANCE OF ABOUT 50 FEET AND COLLIDED HEAD-ON WITH A CONCRETE WALL. FRONT AIRBAGS ON THE DRIVER'S SIDE DEPLOYED AND MY BODY STRUCK THEM: FACE, CHEST, AND LOWER LEGS. I HAVE INJURIES FROM THE INCIDENT.

NHTSA ODI 11300905

Jan 17, 2020Speed controlCrash1 injury

IN DECEMBER 2016 THE CAR ACCELERATED SPONTANEOUSLY WHILE I WAS IN MY DRIVEWAY. TESLA MAINTAINED I PUSHED ON THE EXCELERATOR INSTEAD OF THE BRAKE GOING FROM 2 TO 92 MILES AN HOUR IN JUST A FEW SECONDS. THE CAR WAS REPAIRED AND ON JANUARY 12,2020 THE CAR ONCE AGAIN SELF ACCELERATED. BOTH TIMES SUBSTANTIAL DAMAGE WAS DONE TO THE FRONT OF THE CAR AND TO MY HOME. I WAS NOT INJURED HOWEVER A PASSENGER WAS IN THE CAR IN 2016 AND MAINTAINED SHE HAD HIP INJURIES AS A RESULT. THE INSURANCE COMPANY DID SETTLE WITH HER. BOTH ACCIDENTS WERE NOT THE RESULT OF MY INADVERTENTLY DEPRESSING THE EXCELERATOR. THERE DEFINITELY IS A SUBSTANTIAL DANGER TO THE PUBLIC. THE CAR IS CURRENTLY AT RAINTREE AUTO BODY IN SCOTTSDALE ARIZONA. I HAVE NOT CALLED TESLA AZ YET AS I DO NOT PARTICULARLY WANT THEM TO GET THE BLACK BOX. I DO HAVE A PHOTO OF THE CAR IMPACTING THE COURTYARD WALL OF MY HOUSE HOWEVER IT IS ON MY IPHONE AND I DO NOT KNOW HOW TO SEND IT TO YOU.

NHTSA ODI 11300127

Jan 2, 2020SuspensionTransmission & drivetrainBody & structure

REAR SUBFRAME FAILED AT 78K MILES. TESLA RESPONSE WAS I DID HARSH ACCELERATION AND STREET POTHOLES WERE THE ISSUES. I WAS DRIVING 20 MPH WHEN I SUDDENLY HEARD KNOCKING NOISE. I CAME TO COMPLETE STOP. LOOKED AROUND AND UNDERNEATH MY CAR FOR ANY FOREIGN OBSTACLES. EVERYTHING WAS CLEAR SO I PUT MY CAR IN REVERSE. HEARD LOUD KNOCKING SOUNDS FROM REAR LEFT TIRE. TOOK IT TO TESLA SERVICE, WHERE I WAS TOLD THAT THIS IS NOT DRIVE UNIT( PART THAT'S UNDER WARRANTY, WHICH IS HOLD BY THE FAILED SUBFRAME AND WAS REPLACED TWICE PRIOR, BUT THE SUBFRAME ITSELF) AND ITS A SAFETY ISSUE. SPEAKING OF SAFETY ISSUE I HAD TO GO TO THE NEAREST TESLA SERVICE, WHEN I OCCURRED THIS ISSUE AND ADVISOR TOLD ME, THEY DON'T HAVE TIME TO RESOLVE MY ISSUE RIGHT NOW , SO I HAD TO DRIVE IT 30 MILES AWAY TO A DIFFERENT ONE, WHERE I WAS TOLD THAT THIS IS SAFETY ISSUE.

NHTSA ODI 11296615

Dec 23, 2019Suspension

HERE IS A MODEL S IN THE SALVAGE YARD. SOMEBODY RAN INTO THE BACK OF IT. MOST LIKELY BECAUSE THE FRONT WHEEL AND SUSPENSION FELL OFF CAUSING IT TO SLOW DOWN UNEXPECTEDLY. HTTPS://WWW.COPART.COM/LOT/58905699/PHOTOS EVEN THE HEADLIGHTS ARE INTACT. THE AIR-BAGS HAVE NOT DEPLOYED. SO WHY DID THE SUSPENSION FALL TO BITS? I THINK WE KNOW THE ANSWER TO THAT. THE SUSPENSION PARTS ARE AS FRAGILE AS A SPARROWS LEG. TESLAS ARE STUCK IN LUDICROUS/INSANE MODE. PLEASE INVESTIGATE. THANK YOU. KEEF

NHTSA ODI 11290797

Dec 4, 2019Suspension

PLEASE NOTE THAT I HAVE USED THE VIN OF ANOTHER WRECKED TESLA TO MAKE THIS COMPLAINT SINCE I DO NOT HAVE ACCESS TO THE CORRECT VIN OF THE CAR INVOLVED. HERE IS AN AUCTION LISTING OF A TESLA IN AUSTRALIA. HTTPS://WWW.PICKLES.COM.AU/DAMAGED-SALVAGE/ITEM/-/DETAILS/NO-C-P--TESLA--MODEL-S--HATCHBACK--5-DOORS/2003433925 THE CAR HAS NOT BEEN IN A CRASH, THE ONLY DAMAGE IS A DETACHED REAR WHEEL AND SUSPENSION WITH SLIGHT BODYWORK DAMAGE WHERE THE WHEEL EXITED THE VEHICLE. SINCE I AM AN AUSTRALIAN CITIZEN I FEEL THAT THESE CARS POSE A RISK TO MY OWN SAFETY AS WELL AS TO OTHER ROAD USERS AND THAT I AM PERFECTLY ENTITLED TO MAKE SUCH COMPLAINTS. I AM HOPING THAT BY THE SHEER VOLUME OF INCIDENCES OF TESLA SUSPENSION FAILURES REPORTED NHTSA WILL AT LEAST CONCEDE THAT THERE MAY BE A PROBLEM AND WILL LAUNCH A PROPER INVESTIGATION. THANK YOU FOR PUBLISHING ALL OF MY COMPLAINTS. JUST NEED THAT INVESTIGATION TO COMMENCE. HAVE A GREAT DAY. KEEF

NHTSA ODI 11286958

Nov 25, 2019Fuel system

RE: NHTSA ACTION NUMBER: DP19005 - INVESTIGATION SUBJECT : BATTERY MANAGEMENT SOFTWARE UPDATES THE BATTERY RANGE ON MY VEHICLE HAS BEEN CAPPED VIA A SOFTWARE UPDATE BY TESLA WITHOUT MY CONSENT. I WAS NOT NOTIFIED THAT TESLA WOULD CAP MY BATTERY'S MAXIMUM CHARGE, WHICH IN TURN REDUCED THE RANGE AND POWER OF MY VEHICLE VIA AN OVER THE AIR SOFTWARE UPDATE. THE CAR WAS ADVERTISED AS A 85 KWH BATTERY, BUT NOW, WITH THE BATTERY CAP, THE BATTERY IS MUCH LESS THAN 85 KWH. IF THERE WAS A SAFETY ISSUE WITH THE BATTERY, TESLA SHOULD HAVE NOTIFIED ME. ALSO, THE BATTERY SHOULD BE REPLACED INSTEAD OF HAVING THE SAFETY ISSUE STILL THERE AND DECREASING THE PERFORMANCE.

NHTSA ODI 11282366

Nov 14, 2019Electrical systemVisibility & wipers

VEHICLES MEDIA CONTROL UNIT (MCU) HAS A KNOWN AND WELL-PUBLICIZED DEFECT CAUSED BY OVER-LOGGING ON THE EMMC CHIP. THIS DEFECT CAUSES THE MCU TO GLITCH, REBOOT AND FAIL ELIMINATING THE ABILITY TO CONTROL BOTH SAFETY AND CONVENIENCE FEATURES INCLUDING CLIMATE CONTROL, DEFROSTER, GPS, AUDIBLE SAFETY WARNINGS AND OTHER SYSTEMS. VEHICLE CAN ALSO STOP CHARGING. THIS IS A WELL-DOCUMENTED DESIGN FLAW THAT TESLA IS WELL AWARE OF (SIMPLY GOOGLE TESLA MCU FAILURE) BUT REFUSES TO COVER OUT OF WARRANTY. THE MOST RECENT "FIX" VIA AN OVER THE AIR UPDATE SIMPLY DELAYS THE ISSUE UNTIL VEHICLE IS OUT OF WARRANTY BUT BASED ON CURRENT EVIDENCE THIS DEFECT WILL EFFECT 100% OF CARS, BOTH MODEL S AND X, MADE BETWEEN 2012 AND EARLY 2018.

NHTSA ODI 11279959

Nov 11, 2019Transmission & drivetrainElectrical system

SUDDEN LOSS OF RANGE WITH 2019.16.X SOFTWARE UPDATE. MY VEHICLE WAS ONE OF THE MANY VEHICLES THAT WAS EFFECTED BY SOFTWARE UPDATE BY TESLA. I HAVE LOST ABOUT 30 MILES IN RANGE AND THE SUPERCHARGING SPEED IS SIGNIFICANTLY DECREASED COMPARE TO PRIOR TO THE SOFTWARE UPDATE.

NHTSA ODI 11279353

Nov 7, 2019EngineFire

TL* THE CONTACT OWNED A 2014 TESLA MODEL S. WHILE THE VEHICLE WAS PARKED IN THE GARAGE CHARGING, IT CAUGHT FIRE AND BURNED AT THE CONTACT'S RESIDENCE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND POLICE AND FIRE REPORTS WERE FILED. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO A RESEARCH CENTER, BUT WAS NOT DIAGNOSED BECAUSE IT WAS DESTROYED. THE VEHICLE WAS NOT TAKEN TO A LOCAL DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND SENT AN INVESTIGATOR TO INSPECT THE VEHICLE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 17,000.

NHTSA ODI 11278643

Nov 3, 2019Electrical systemFuel system

IN MAY 2019 OUR TESLA MODEL S P85D BATTERY CHARGING CAPACITY REDUCED FROM ABOUT A MAXIMUM CHARGE OF 248 MILES TO ABOUT 218 MILES. TESLA DID NOT NOTIFY US THAT THIS WOULD HAPPEN AND AFTER SEVERAL PHONE CALLS AND LETTERS THERE HAS NOT EXPLANATION OR INFORMATION AS TO WHY IT OCCURRED.

NHTSA ODI 11277777

Oct 19, 2019Transmission & drivetrainElectrical systemFuel system

I HAVE A P85D AND SINCE RECENT SOFTWARE UPDATES MY RANGE HAS DROPPED SIGNIFICANTLY.. MY SUPERCHARGER SESSIONS HAVE ALSO BECOME EXTREMELY SLOW RESULTING IN ALMOST AN AN EXTRA HOUR TO CHARGE THE CAR COMPARED TO BEFORE UPDATES. THESE UPDATES SEEM TO BE A MAKESHIFT COVER FOR DEFECTIVE BATTERIES DUE TO HIGH FIRE AND EXPLOSION RISK, WHICH HAVE OCCURRED ON OTHER TESLA CARS. SO INSTEAD OF FIXING BATTERIES TESLA REDUCED THEIR CAPABILITIES ACROSS THE BOARD.

NHTSA ODI 11269564

Oct 16, 2019Lights

TL* THE CONTACT OWNS A 2014 TESLA MODEL S. THE CONTACT STATED THAT ONE OF THE HEADLIGHTS WOULD NOT FUNCTION WITHOUT WARNING. THE CONTACT STATED THAT THE FAILURE OCCURRED INTERMITTENTLY AND, AT TIMES, BOTH HEADLIGHTS WOULD NOT ILLUMINATE. THE CONTACT TOOK THE VEHICLE TO TESLA (470 LANCASTER AVE, DEVON, PA 19333, 610-407-7030) AND WAS INFORMED THAT THERE WAS A PRIOR COMPLAINT RELATED TO THE SAME FAILURE; HOWEVER, THE ONLY SOLUTION WOULD BE TO REPLACE BOTH HEADLIGHTS. THE CONTACT WAS PROVIDED AN ESTIMATE FOR THE COST TO REPLACE BOTH HEADLIGHTS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.*DT*JB

NHTSA ODI 11268947

Oct 10, 2019Transmission & drivetrainElectrical systemEngine

AFTER SOFTWARE UPDATE SUPERCHARGING SLOWED BY MORE THAN 50% AND RANGE ON FULL CHARGE DROPPED

NHTSA ODI 11267565

Oct 10, 2019Fuel system

RE: NHTSA ACTION NUMBER: DP19005 - INVESTIGATION SUBJECT : BATTERY MANAGEMENT SOFTWARE UPDATESSTARTING WITH A SOFTWARE UPDATE IN MAY 2019, TESLA REDUCED BATTERY CAPACITY FROM 73KWH TO 62KWH. THEY CLAIM THEY DID THIS "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, BUT OFFICIALLY NO SAFETY UPDATE WAS RELEASED. THIS CHANGE HAPPENED WHILE THE CAR WAS PARKED IN MY GARAGE AND STATIONARY. THERE IS A FIRE SAFETY ISSUE HERE THAT IS NOT MADE PUBLIC BY TESLA.

NHTSA ODI 11267572

Oct 10, 2019Fuel system

NHTSA ACTION NUMBER: DP19005 ' INVESTIGATION SUBJECT: BATTERY MANAGEMENT SOFTWARE UPDATES I AM CONCERNED ABOUT THE SAFETY OF MY FAMILY BEING IN AND AROUND MY CAR. ON MAY 29, 2019 I RECEIVED SOFTWARE 2019.16.2 73D3F3C. ALTHOUGH NOT KNOWN AT THE TIME, WHEN INSTALLED, IT REDUCED BATTERY CAPACITY BY ABOUT 8KWH, AND PERFORMANCE BY ABOUT THAN 40KW. THERE WAS NO NOTIFICATION FROM TESLA THIS WAS BEING DONE. ON 14 FEBRUARY 2017, (BEFORE SOFTWARE 2019.16.2 73D3F3C), AT 100% AND 76.6KWH OF 76.4KWH REMAINING CAPACITY, MODULE VOLTAGES WERE ABOUT 4.19V. THIS IS EXPECTED AND TYPICAL FOR A FULLY CHARGED LI ION BATTERY. AFTER THE SOFTWARE CHANGE THE BATTERY CHARGES TO 390V, AND A MAX CELL VOLTAGE OF ABOUT 4.07V. IT IS WELL UNDERSTOOD THE LI ION BATTERIES DEGRADE WITH USE. HOWEVER, LIMITING THE CELL VOLTAGES AT 100% SOC IS NOT 'NORMAL DEGRADATION', BUT THIS IS CLEARLY NOW BEING DONE, BASED ON THE DATA ABOVE, AND THE LACK OF REGEN WHILE DRIVING THE CAR AT THESE REDUCED CELL VOLTAGES. THIS APPEARS TO BE A DELIBERATE ACTION ON THE PART OF TESLA. IT MAY BE THE RESULT OF SOME NOW-DETECTABLE DEFECT, WHICH THROUGH DECEPTION, TESLA IS ATTEMPTING TO COVER UP. TESLA CLAIMS TO HAVE DONE THIS 'OUT OF AN ABUNDANCE OF CAUTION' AFTER SEVERAL NON-CRASH FIRES. I BELIEVE THAT THIS MAY BE A SAFETY ISSUE. IF MY BATTERY IS 'NORMAL" THEN IT SHOULDN'T NEED PROTECTING VIA A SOFTWARE UPDATE, THE CONDITIONS WOULD HAVE BEEN KNOWN TO TESLA FOR THE LAST FIVE YEARS. IF TESLA DECIDES TO SUDDENLY, AND WITHOUT ANY OWNER NOTIFICATION, TO "PROTECT" SOMETHING FIVE YEARS AFTER IT WAS MANUFACTURED, I SUSPECT IT'S BECAUSE SOMETHING IS VERY, VERY WRONG. THERE ARE ALSO INDICATIONS THIS WAS DELIBERATELY DONE IN SUCH A WAY AS TO MAKE IT LESS NOTICEABLE TO OWNERS. PLEASE PROVIDE AN INDEPENDENT ASSESSMENT OF THE SAFETY OF MY CAR AND BATTERY PACK.

NHTSA ODI 11267632

Oct 10, 2019Electrical systemFuel system

MY ELECTRIC CAR BATTERY OVERHEATS SO MUCH AND LOST MORE THAN 25% OF THE RANGE WITH THE LATEST COMPUTER UPGRADE. THIS IS CHEATING. TESLA REMOTELY LOWERED MY BATTERY RANGE WITHOUT MY APPROVAL

NHTSA ODI 11267674

Oct 10, 2019Electrical systemFuel system

THE CAR HAS LOST A LARGE AMOUNT OF CHARGING SPEED. TESLA HAS INFORMED ME MULTIPLE TIMES THERE IS NOTHING WRONG WHEN I KNOW FOR A FACT THE CHARGE SPEED HAS DROPPED AN AVERAGE OF 10KW FROM WHEN I FIRST BOUGHT IT. MY MAIN MARKER WAS AT 5P% THE CAR WOULD BE AT 72KW AND NOW AFTER A RANDOM OTA UPDATE A FEW MONTHS AGO AT 5P% I'M AM USUALLY AROUND 55KW. THIS DROP IN CHARGE RATE HAS CAUSED ME TO BE LATE, AND IT MAKES EVERY CHARGE STOP TAKE ABOUT 15 MINUTES LONGER THAN IT WOULD PREVIOUSLY

NHTSA ODI 11267744

Oct 6, 2019Electrical systemFuel system

SHORTLY AFTER UPDATING THE VEHICLE WITH TESLA'S SOFTWARE UPDATES 2019.16.1 AND 2019.16.2, IT WAS DISCOVERED FOR THE FIRST TIME THAT THE VEHICLE HAD SUFFERED FROM A SUDDEN AND IMMEDIATE LOSS OF APPROXIMATELY 26 MILES OF RANGE AS A RESULT OF THE PAIR OF SOFTWARE UPDATES. THE UPDATES IN QUESTION ALSO SEVERELY DECREASED THE SUPERCHARGING SPEEDS FOR THE VEHICLE. IN ADDITION, THE SOFTWARE UPDATES ISSUED BY TESLA DID NOT DISCLOSE ANYTHING WITH REGARDS TO THE RANGE LOSS OR DECREASED CHARGING SPEEDS. TESLA HAS RELEASED UPDATES SINCE INITIAL RANGE-REDUCING AND CHARGE-SPEED LIMITING UPDATES WHICH WERE SUPPOSED TO AND PURPORTEDLY WERE ISSUED TO CORRECT THE PROBLEMS, HOWEVER, THERE IS NO SIGNIFICANT CHANGE OR INCREASE IN RANGE OR CHARGING FOR THE VEHICLE TO DATE. NOTE - THIS COMPLAINT HAS BEEN SUBMITTED BY LEGAL COUNSEL WHO CURRENTLY REPRESENTS THE AFFECTED OWNER FOR THIS SPECIFIC VEHICLE. LEGAL COUNSEL HERE ALSO SERVES AS COUNSEL TO THE PUTATIVE CLASS MEMBERS AND NAMED CLASS PLAINTIFF IN THE LITIGATION CURRENTLY PENDING IN THE U.S. DISTRICT COURT, NORTHERN DISTRICT OF CA, CASE NO. 5:19-CV-01422-VKD.

NHTSA ODI 11266565

Oct 5, 2019Electrical system

MY VEHICLE HV BATTERY FAILED TWICE IN 2 MONTHS. TESLA CHANGED IT, LOST USE OF VEHICLE DURING 9 WEEKS. ON THE 2ND BATTERY SWAP, I NOW LOST RANGE BY 25 TO 35 MILES.

NHTSA ODI 11266515

Sep 25, 2019Suspension

TESLA. GONE WHOMPY. VERY WHOMPY INDEED. HTTPS://WWW.IAAI.COM/VEHICLE?ITEMID=33592193&ROWNUMBER=5&LOADRECENT=TRUE

NHTSA ODI 11257906

Sep 19, 2019

TOUCH SCREEN CONTROL PANEL HAS BEEN DETERIORATING OVER THE PAST 2 YEARS. SINCE THE SCREEN IS AN INTEGRAL PART OF THE VEHICLE CONTROL SYSTEM FUNCTIONALITY OF THE VEHICLE CONTROL IS BEGINNING TO BE IMPACTED. TESLA HAS HAD A KNOWN PROBLEM, BUT HAS NOT BEEN WILLING TO REPAIR OR REPLACE. I BELIEVE THIS IS A SAFETY CONCERN THAT NHTSA SHOULD INVESTIGATE AND THAT TESLA SHOULD BE HELD ACCOUNTABLE.

NHTSA ODI 11256588

Sep 7, 2019Crash

THE DRIVER OF THE TESLA (VIN ENTERED) REPORTED THAT THE TESLA WAS OPERATED IN AUTOPILOT WHEN IT STRUCK OUR PARKED CAR. OUR CAR WAS PARKED ON A RESIDENTIAL STREET WITH A 25MPH SPEED LIMIT. BOTH CARS SUSTAINED SIGNIFICANT DAMAGE RENDERING THEM UN-DRIVABLE. SEE THE ATTACHED PHOTOS OF OUR DAMAGED PARKED CAR AND THE TESLA.

NHTSA ODI 11253913

Sep 5, 2019SteeringAirbags

"TAKATA RECALL" AND BOLTS THAT ATTACH THE POWER STEERING MOTOR TO THE POWER STEERING GEAR. SUBJECT: RECALL CODE: 19V-002 / RECALL CODE: 18V-204 / RECALL CODE: 19V-002. REPLACEMENT OF FRONT AIRBAGS AND POWER STEERING ENGINE BOLTS. HON. GENTLEMEN, MY ADVANCE AND RESPECTFUL REGARDS. AS AGENT OF THE HON. MR. (XXXX), I COME TO EXPOSE AND REQUEST AS FOLLOWS: PLEASE INFORM MY CONSTITUENT MEMBER THAT I HAVE RECEIVED A LETTER FROM YOU. REALIZING THE NEED TO REPLACE YOUR TESLA BRAND AIR BAG. THIS NEED, ACCORDING TO YOUR INFORMATION, IS RELATED TO A DEFECT DETECTED IN CERTAIN MODELS PRODUCED BETWEEN 2014 AND 2016. MORE INFORM YOU. FAILURE TO REMEDY THE ANOMALY MAY RESULT IN THE EXPLOSION OF THE AFOREMENTIONED AIR BAG, AND AS A CONSEQUENCE PASSENGERS MAY BE HIT WITH SHARP METAL FRAGMENTS, RESULTING IN SERIOUS INJURY OR EVEN DEATH (AS DOCUMENT ATTACHED). I HAVE ALSO LEARNED FROM YOU THAT DUE TO EXPOSURE TO CORROSIVE ENVIRONMENTS CERTAIN BOLTS MAY BREAK AND RESULT IN THE LOSS OF POWER STEERING, WHICH MAY RESULT IN ACCIDENTS (SEE ATTACHED DOCUMENT). IN THE LIGHT OF THE FOREGOING, MY CONSTITUENT IMMEDIATELY WENT TO TESLA'S PREMISES IN LISBON, AV. ANTNIO AUGUSTO DE AGUIAR 31, 1069-413, IN ORDER THAT YOUR REPRESENTATIVE SHOULD CARRY OUT THE INTERVENTIONS INDICATED BY YOUR SERVICES. SUCCESSES THAT REGRETTABLY, TESLA IN LISBON REFUSES TO MAKE THE NECESSARY REPLACEMENT, AND FOR THIS REASON THE VEHICLE IN QUESTION REMAINS A SERIOUS DANGER TO THOSE WHO DRIVE IT. NOW, IN THE LIGHT OF ALL THE ABOVE, AND SINCE THE LIFE OF MY CONSTITUENT AND HIS FAMILY IS AT PRESENT IN DANGER, I USE THIS LETTER IN ORDER TO ASK YOU TO TELL ME WHERE TO GO TO SOLVE IT. THE REPORTED ANOMALIES. WITHOUT ANOTHER MATTER AT THE MOMENT, AWAITING YOUR DEAR NEWS, I SUBSCRIBE MYSELF WITH HIGH CONSIDERATION. ANNEX: YOUR CALLING ACTIONS, VEHICLE REGISTRATION. THE LAWYER REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI 11253506

Aug 23, 2019Fuel systemElectrical system

BEGINNING IN JUNE, THE SUBJECT VEHICLE SUFFERED FROM A SEVERE AND SUDDEN DECREASE IN THE AMOUNT OF RANGE AVAILABLE AS A DIRECT RESULT OF SOFTWARE UPDATES ISSUED BY TESLA WITHOUT DISCLOSURE TO OWNERS. PRIOR TO THE UPDATES, THE SUBJECT VEHICLE HAD APPROXIMATELY 255 RATED MILES AVAILABLE. FOLLOWING UPDATES 2019.16.1 AND 2019.16.2, THE SUBJECT VEHICLE SUFFERED IMMEDIATELY FROM A RANGE DROP TO 225 AVAILABLE MILES. THE SUBJECT VEHICLE HAS ALSO BEEN UNABLE TO CHARGE FULLY AND NOW SUFFERS FROM DECREASED CHARGING SPEEDS. THE OWNER OF THE SUBJECT VEHICLE WENT TO NCDS ARBITRATION, SEEKING A MANUFACTURER REPLACEMENT OF THE BATTERY UNDER WARRANTY, BUT THE ARBITRATOR DECIDED THAT THERE WAS NO PROOF OF DEFECT. TESLA CLAIMS THAT THIS IS NORMAL DEGRADATION. HOWEVER, THE NEGATIVE EFFECTS WERE CAUSED SOLELY BY TESLA'S SOFTWARE UPDATES, FOR WHICH IT HAS YET TO DISCLOSE WHETHER THERE ARE CARS AFFECTED AND POTENTIALLY AT HIGHER RISK OF CATCHING ON FIRE. TESLA HAS FAILED TO COMMUNICATE ANYTHING WITH REGARDS TO THE SAFETY OF THE AFFECTED VEHICLES AND HAS CONTINUED TO MAKE ADJUSTMENTS TO THE SOFTWARE WITHOUT PROVIDING OWNERS WITH ANY NOTICE OR INFORMATION THAT THEIR VEHICLE MAY BE AFFECTED. THE OWNER OF THIS VEHICLE WAS DENIED A WARRANTY REPLACEMENT AFTER HAVING THE CLAIMS ARBITRATED WITH NATIONAL CENTER FOR DISPUTE SETTLEMENT, WHERE THE ARBITRATOR FOUND THAT THERE WAS NO MANUFACTURING DEFECT. THE SUBJECT VEHICLE CONTINUES TO SUFFER FROM A HIGH RATE OF BATTERY LOSS WHEN THE CAR IS PARKED AND NOT IN OPERATION. THE CAR HAS NOT REGAINED ANY MILEAGE AS A RESULT OF TESLA'S MOST RECENT UPDATES THAT HAVE ATTEMPTED TO REMEDY THE SITUATION. THE SUBJECT VEHICLE SUFFERS FORM REDUCED CHARGING SPEEDS AND IS NOT CAPABLE OF REACHING THE SAME NUMBER OF MILES AS IT DID BEFORE.

NHTSA ODI 11246771

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Working with the data? Download all 365 complaints as CSV · fetched from NHTSA July 24, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2014 Tesla Model S 75d verdict →