2020 Toyota Corolla Complaints

POWER TRAIN,SERVICE BRAKES,ENGINE — Filed 09/16/2026

What component or system failed or malfunctioned: complete slave cylinder failure resulting in loss of braking and ability to shift. Luckily I was traveling at a low rate of speed when this happened, but if this happens to anyone on the freeway or while turning against traffic for example they would have no control of their car and could be seriously injured. I took it to the dealership and they diagnosed it as a slave cylinder failure at only 70k miles. This is incredibly pre-mature. The vehicle has not been inspected by the manufacturer, only the dealership but I am trying to escalate the issue. No warnings at all, I regularly get my car serviced on there were no instances of the clutch acting strange or brakes losing power (because the clutch and brakes share the same fluid reservoir) prior to this incident.

ENGINE — Filed 07/15/2025

Coolant Bypass Valve

FORWARD COLLISION AVOIDANCE — Filed 05/14/2025

The automatic emergency breaking and forward collision warning failed to alert and turn on and I wrecked into an object. My life was put at risk and I wrecked my car. The problem has not been reproduced or confirmed by the independent service center. The vehicle is currently being inspected by insurance estimator. There was no other alerts or messages to alert prior to collision.

AIR BAGS — Filed 04/09/2024

I was in a car accident where someone hit us at a high speed from behind. Unfortunately the air bags malfunctioned resulting in my face being busted on the front dash. The car gave me a malfunction warning when they didn’t deploy

AIR BAGS — Filed 10/18/2023

My car, a 2020 Toyota Corolla Hybrid, impacted an abandoned motorcycle on the dark road at full speed; however, none of the airbags deployed.

UNKNOWN OR OTHER — Filed 06/22/2023

Issue with unlocked driver's door after the collision reported on 6/25/23 # 11528724 Additional concern: After the accident, my car engine was not turned off automatically; even after automatic speaker announced collision and that 911 was informed. After I got out of the car ( # 1152874) I was standing by the car, drivers door I left opened and at one point I realized that my car was still running ( Gear shift was left in P). I manually switched off the car and I removed the key from ignition.

UNKNOWN OR OTHER — Filed 06/22/2023

As a driver I was involved in frontal collision with my Toyota Corolla LE 2020 properly serviced. ([XXX]) . Air bags were deployed followed by smoky air that made me difficult to breathe. I opened the windows, but I could not open the door to get out; it was locked. A passer -by could not open the door from the outside either. He told me to move gear shift to P; I did that and he was able to open the door and I got out. There was on loud automatic message informing about collision…. Certain safety steps must be automatically activated after collision. I am very surprise to experience that the driver’s door could not be opened after collision from inside or outside. I had to move gear shift from D to P myself for the door to be opened. I could not breathe properly inside the car even with open windows with air bags deployed. The door should be automatically unlocked after the collision. Driver may be unconscious, the car is in the fire or may be nobody to help the driver. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

VEHICLE SPEED CONTROL,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — Filed 12/15/2022

I was going to work on 12/15/2022. There was a stop sign and I needed to take a right turn in order to join the freeway-10 east highway to head on to work. it was about 6: 40 am approximate time. There were too many cars ahead of me at the stop sign. My brakes failed to hold on while I waited for my turn. There were at least 3-4 cars ahead of me. Therefore I did not want to hurt anyone or any other car ahead of me. Therefore I veered off to my right-hand side where there was some space and tried to stop the car but it did not do so. Therefore, My car had to hit the high-way pole to come to a stop. The airbags deployed and hit me more to my right side. The car got totaled as per California casualty insurance information. I am glad to be alive. I went later to the hospital as there were no direct visible injuries.

POWER TRAIN,UNKNOWN OR OTHER,BACK OVER PREVENTION — Filed 01/03/2022

I am not sure what the component is but I am driving and as I accelerate the gas my car will lose power to increase speed. If I am at the stop sign or stop light and I proceed to go the car will stall and not get going once I place my foot on the gas. I have reached out to the dealer by phone and when I have obtained service I am being advised that it's nothing. But I have experienced it on multiple occasions and even had an accident and nothing is being done to resolve the issue. I know that it can't be normal for the vehicle to do that and I am tired of getting the run around in regards to it. I was able to see that there has been a recall but do not see that it is in regard to me vin number. Can you please assist me with this matter. I should not be in the middle of driving or at a stop light and not able to accelerate my vehicle to a regular speed. I would like to have this matter looked into by a different Toyota dealer. Also it happens randomly and when I take to the dealership nothing is ever done and the issue is constantly being ignored. I am being told that due to no check engine light being on that my car is fine and its not. I don't want to lose my life due to the fact that I have purchased a faulty car and have not been made aware of any issues to protect my safety.

AIR BAGS,SEAT BELTS — Filed 07/24/2022

Car hydroplaned and spun out. It collided with a cement barrier on the front, back, and drivers side. Car was deemed a total loss. No airbags deployed at any point. Drivers safety put at risk as she hit her head on the driver's side door. Car displayed the message "ABS system malfunctioned" once Car came to stand still. Also, daughters car seat detached from the seat belt lock, sending her car seat sideways. Locks did not keep her secure.

WHEELS — Filed 01/10/2022

The contact owns a 2020 Toyota Corolla. The contact's wife stated while driving approximately 65 mph when the rear passenger side tire exploded without warning which resulted in the contact losing control of the vehicle and crashing into a retaining barrier. The contacts wife sustained chest bruises but did not seek medical treatment. The vehicle was towed to the parking lot and a police report was taken. The contact stated tmps warning lights were illuminated. The vehicle was not taken to a local dealer to be inspected. The manufacturer was informed of failure and is awaiting a response. The failure mileage was approximately 6,000.

AIR BAGS,STRUCTURE,SERVICE BRAKES — Filed 09/04/2021

While driving my car it turned off and it was hard for me to turn and all my lights was hard to steer and all the lights on the dash board turned on and they was not turning off and I got in. A wreck by me not being able to turn and hit a bush and my car got total

ENGINE,FUEL/PROPULSION SYSTEM — Filed 08/04/2021

We rented a 2020 Toyota Corolla from Hertz at the McCarran Airport Las Vegas NV and almost past out while driving due to Carbon Monoxide poisonings. My wife was sick 3 out of the 4 days while this auto was being driven in our possession. At first our sickness was thought to be motion sickness or maybe from something we ate. It wasn't until we drove this car out of town when we both my wife and I started getting very sick weak dizzy and vomiting. We tried to drive out to the Hover Dam but stop about 10 miles short. After a brief rest we decided to had back to Las Vegas. Just outside of Las Vegas I could hardly breath and had all the same symptoms previously stated. Luckily I was able to get out of traffic and pulled off the high stopping at the first place I was able to pull into. I believe that If I didn't do so I would have passed out and may have caused an accident. Roadside assistance stated this is a common thing in Toyota's. My concern is how many of these cars are rentals and how many people may have been in accidents and the driver blamed? Please google 2020 Toyota Corolla Carbon monoxide poisoning for morning formation. Feel free to call me at [XXX] for more details. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6

WHEELS — Filed 07/23/2021

My son was driving on the freeway when one tire came off the wheel. He lost control and hit by truck on the passenger side. There's only 8000 miles on the car.

AIR BAGS — Filed 02/05/2021

The contact leased a 2020 Toyota Corolla. The contact stated that while driving at 62 mph, another vehicle was driving above 100 mph, crashed into the rear driver side bumper and moved up to the rear driver side door. The vehicle then bounced into the front driver side door ripping off the driver's side view mirror and continued driving. The contact's vehicle slid upon impact and the contact hit his head on the roof of the vehicle then hit the front driver's door window. The contact's right side hip hit the center console. No air bags were deployed. A police report was filed. The contact did not receive medical attention on the scene but later went to the hospital for hip injuries. The vehicle was not towed and the contact was able to drive the vehicle after the collision. The manufacturer was made aware of the failure and a claim was opened. The manufacturer wanted to inspect the vehicle, however the vehicle rental company had already repaired the vehicle. The failure mileage was 16,535.

AIR BAGS,UNKNOWN OR OTHER,SERVICE BRAKES — Filed 11/23/2020

WAS ON A HEAD ON COLLISION THE AIR BAGS FAILED TO OPEN NO BREAKS OR INDICATION THAT THE BREAKS WERE FAILING.ONCE THE VEHICLE WAS IN THE SHOP SHORTLY AFTER THE BATTERY EXPLODED SED .NOW THE CARE IS TOTALLY FOR ALL THE FROND END DAMAGE AND THE COST OF THE BATTER WOULD BE TEN THOUSAND DOLLARS.I WAS DRIVING INTERSTATE 15 IN RIVERSIDE CALIFORNIA REAR END THE CAR IN FRONT.

AIR BAGS,STRUCTURE — Filed 10/20/2020

I WAS HIT FROM BEHIND BY A SPEEDER IN WHICH CAUSED SIGNIFICANT DAMAGES TO MY VEHICLE. NO AIRBAGS DEPLOYED. I WAS ADVISED WHEN PURCHASING THIS CAR THAT TOYOTA CONNECTS DETECTS CRASHES AND THAT THE EMERGENCY SYSTEM WOULD CALL THE CAR. UNFORTUNATELY, NOT ONLY DID THE AIRBAGS NOT DEPLOY BUT THE EMERGENCY SYSTEM DIDN'T NOT CALL THE VEHICLE AS I WAS ADVISED. MY VEHICLE HAS DEFECTS AND THE MANUFACTURER IS RESPONSIBLE. I PURCHASED THIS VEHICLE BRAND NEW THINKING IT COULD KEEP ME SAFE DRIVING. THE MANUFACTURER HAS HIGHLY DISAPPOINTED ME AND FAILED TO ADHERE TO VEHICLE SAFETY.

SERVICE BRAKES — Filed 10/12/2020

HAS TWO ISSUES ONE WHEN BREAKING FROM 45PH OR SO IT SKIDS AND BRAKES SKIP BAD SECOND ISSUE WHEN THE AUTO BREAKING IS ON, AND WHEN CAR BREAKS IN FRONT OF YOU IT STOPS NO PROBLEM, BUT THEN IT JUST STARTS MOVING AGAIN AND WHEN YOU TRY TO STOP IT WON'T LET YOU.

SERVICE BRAKES — Filed 08/21/2020

I WAS DRIVING DOWN A HILL APPROACHING A STOP SIGN WHEN MY BRAKES GAVE OUT AND STOPPED WORKING THE ROAD WAS DAMP AND IT WAS SLIGHT RAIN. I PRESSED DOWN ON MY BRAKES 5 TIMES AND NOTHING HAPPENED TO MAKE THE CAR STOP SO MY CAR KEPT DRIVING TOWARDS A DITCH AND I ALMOST FELL OFF A HILL INTO MORE TREES.

AIR BAGS — Filed 02/16/2020

WHEN I WAS DRIVING ON THE WAY TO WORK. OTHER CAR FROM THE SIDE HIT TO MY CAR. I WORE THE SEATBELT BUT THE AIRBAGS DIDN'T WORK. ONE DAY, AFTER THE ACCIDENT MY BODY FELT HURT ESPECIALLY THE SHOULDER AND THE BACK. I WENT TO SEE A CHIROPRACTOR TO CHECK THEN THEY SAID I NEEDED TO DO TREATMENT AT LEAST A FEW MONTHS.

ELECTRICAL SYSTEM,ENGINE — Filed 11/15/2019

TL* THE CONTACT STATED WAS EMPLOYED BY HERTZ RENTAL CARS. THE CONTACT STATED THAT A 2020 TOYOTA COROLLA CAUGHT ON FIRE. FIRE NOTICED 3-4 HOURS AFTER VEHICLE WAS PARKED AND DRIVING OUT A PARKING LOT. THE FIRE DEPARTMENT WAS CONTACTED AND EXTINGHISED THE VEHICLE. A FIRE DEPRTMENT REPORT WAS TAKEN WITH FILE #111520199429275. THE CONTACT STATED THAT AFTER THE VEHICLE RENTER WAS DRIVING THE VEHICLE OUT OF A PARKING LOT AFTER BEING PARKED FOR 3-4 HOURS, FLAMES WERE NOTICED COMING FROM THE FRONT DRIVER'S SIDE OF THE VEHICLE. THE VEHICLE RENTER EXITED THE VEHICLE AND NOTICED FLAMES COING FROM UNDER THE FRONT DRIVER'S SIDE. THE FIRE DEPARTMENT WAS CONTACTED AND EXTINGUISHED THE FIRES. A FIRE DEPARTMENT REPORT WAS FILED. THE CONTACT STATED THAT THE VEHICLE WAS DEEMED A TOTAL LOSS. THE CONTACT WAS UNAWARE IF THE CAUSE OF THE FAILRUE WAS DIAGNOSED BY A DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 8,190.

SEAT BELTS — Filed 08/21/2019

THE VEHICLE WAS TRAVELING EASTBOUND ON US 20 IN WOOD COUNTY OHIO WHEN IT WAS INVOLVED IN A HEAD ON COLLISION WITH A WESTBOUND VEHICLE. THE WEBBING WHICH ATTACHES THE SEATBELT BUCKLE TO THE VEHICLE FAILED AND TORN CAUSING THE SEATBELT TO COME FREE, UNABLE TO RESTRAIN THE DRIVER. THE DRIVER ULTIMATELY SUFFERED FATAL INJURIES IN THE COLLISION. THIS IS BEING SUBMITTED BY OHIO STATE HIGHWAY PATROL CRASH RECONSTRUCTION.

SERVICE BRAKES — Filed 10/06/2019

EXITING FREEWAY. MADE A LEFT. SLOWED DOWN AT RED LIGHT. REALIZED THE CAR WASN'T STOPPING. SLAMMED BRAKE PEDAL TO FLOOR. CAR CONTINUED TO MOVE AND HIT ANOTHER CAR. POLICE REPORT MADE. COLLISION LOCATION AT 3520 MASSACHUSETTS AVE, LEMON GROVE, CA 91945. THIS IS A NEW CAR AND NO REASON FOR BRAKES TO NOT BE WORKING.

STEERING,WHEELS,ELECTRONIC STABILITY CONTROL (ESC) — Filed 08/24/2019

AFTER ANOTHER DRIVER FAILED TO YIELD RIGHT-OF-WAY, I EXPERIENCE A FAULT WITH THE AUTOMATED DRIVING ASSIST SYSTEM WHICH DURING A MERGE OF TWO HIGHWAYS IN CALIFORNIA; AND FAILURE OF ROAD STRUCTURES ALLOWED AN OLDER PASSENGER TRUCK TO HIT THE TOYOTA'S DRIVER'S REAR TIRE AND WHEEL WELL AT A HIGH RATE OF SPEED WITHOUT EVASIVE, DEFENSIVE OR WARNING FROM THE 2020 COROLLA HYBRID'S

AIR BAGS — Filed 06/05/2019

BAD ACCIDENT AIR BAGS DID NOT DEPLOY CAR WAS TOTALLED. ALSO THE CAR IS SUPOSE TO STOP IF SOMETHING IS IN THE WAY. AND THE SIDE SENSOR DID NOT WORK A COUPLE TIMES SOMETHING GOT CLOSE ON THE SIDE WARNING NEVER WENT OFF. AFTER ACCIDENT A LIGHT ON THE DASH SAID SAFTEY MALFUNCTION.