FaultScore

2019 Toyota Avalon driver assist problems

13 of the 98 complaints about the 2019 Toyota Avalon are about the driver-assist systems — 13% of everything reported for this model year. Half of the failures with a mileage on record happened before 12,000 miles.

C

13

Complaints

1

Crashes

0

Fires

0

Injuries

Exactly what failed

Warnings 3 23.1%
Rearview System Braking 3 23.1%
Blind Spot Detection 2 15.4%
Automatic Emergency Braking 2 15.4%
Adaptive Cruise Control 1 7.7%
Camera 1 7.7%
Warnings 1 7.7%

Driver Assist & Collision Avoidance across every Toyota Avalon year

2014 19 45.2%
2015 10 23.8%
2019 13 31.0%

What owners said

Filed with NHTSA, in their own words.

Los Lunas, NM

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

Ever since, I purchase my certified 2019 Toyota Avalon in around June 2022, my car has left me stranded on highways, city areas, and broke down coming out of my garage. I even purchase extended warranty, because of the high mileage it had 77,000 miles. On [XXX] car broke down Drive Belt had to be replaced, [XXX] [XXX] warning lights, dealership service technician couldn't figured out why engine was slowing down the vehicle, engine repair evac leak for gas cap, [XXX], while driving my car the vehicle, my car immediately stopped, it was towed to dealership of Larry H Miller on Alameda in Albuquerque NM, caused of my car stopping on the road in Albuquerque, the technician stated that he found DTCS for Missfire, switched coil to different cylinder and codes went away/on [XXX], my car was towed, because engine stopped while driving, the dealership saw that it was an electrical problem, bad battery on [XXX] car dashboard lit up like a Christmas tree, showing electrical malfunctioning of secondary braking system, the car must be towed to the dealership. I was lucky to get the car into a parking area of gas station. I am [XXX], I need to get home and take my [XXX]. So, while in Albuquerque New Mexico, I called for a tow truck to pickup my vehicle because I have triple AAA membership. Since, I have another car, and I needed to get that day June 30, 2026. I had to wait until today July 9, 2026 to have triple AAA to pick up my car and take it to the dealership Larry H Miller Toyota on Alameda, Albuquerque, New Mexico. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11749408 — an unverified report by a vehicle owner.

Farmingdale, ME

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

I am experiencing the same malfunction with my backup camera/parking assist software that a million other VINs were recalled for. I called Toyota and was essentially told that not enough people from my cars' "batch" have complained. The malfunction is inconsistent, sometimes the camera works fine, sometimes the screen is totally black, and sometimes it freezes or goes black in the middle of backing up. This is incredibly hazordous.

NHTSA complaint #11719450 — an unverified report by a vehicle owner.

Brookfield, IL

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

After starting to accelerate from a stop light ,the Dashboard had a warning message that the accelerator and brake pedals were pressed simultaneously. The acceleration stopped and the car slowed automatically. After a few seconds the warning indicator went away and the car could accelerate. The cars behind my auto had to stop suddenly. At the time. I though that I might have hit both petals at the same time. When it happened again I opened an incident report with Toyota. Incident opened on 07-19-25 Case # 250719000440. The Toyota rep told me it should be take to a Toyota dealer to diagmose any error codes.The next time the same problem occured I took it to my Toyota dealer and was told there were no error codes to indicate a problem. I have also taken the car to a local repair shop after the problem happened and was shown there were no stored errror codes.The dealer wants to have my auto for an extende time to reproduce the problem. If they need error codes to solve the issue but no error codes are recorded when the problem occurs what can they determine? I am hoping that there are other Toyota Avalon owners which might have had the same issue.

NHTSA complaint #11689204 — an unverified report by a vehicle owner.

Carmel, IN

BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING

Recurring issue with blind spot and rear cross traffic malfunction alerts. Toyota had issued a service bulletin for this concern. Dealer had to reprogram the module under part: 39151 T-SB-0034-19. CODE C1AB4 and C1AB5.

NHTSA complaint #11687086 — an unverified report by a vehicle owner.

Carmel, IN

LANE DEPARTURE: BLIND SPOT DETECTION

Recurring issue with blind spot and rear cross traffic malfunction alerts. Toyota had issued a service bulletin for this concern. Dealer had to reprogram the module under part: 39151 T-SB-0034-19. CODE C1AB4 and C1AB5.

NHTSA complaint #11687086 — an unverified report by a vehicle owner.

Lakewood Ranch, FL Crash

FORWARD COLLISION AVOIDANCE: WARNINGS

I was pulling into a parking space when the car suddenly accelerated, jumped the curb and hit a tree. The car has auto-braking but this system did not function to stop the car.

NHTSA complaint #11552788 — an unverified report by a vehicle owner.

Albuquerque, NM

BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING

A year ago my 2019 Toyota Avalon started displaying a message that the RCD (rear camera detection) was unavailable. I tried working with the dealership that sold me the car, but they ignored me. I went to another Toyota dealership and they said it would cost approximately $2000, but could not guarantee it would fix the issue. I’ve seen online that 1000’s of Toyota owners with the same system have had similar problems, and Toyota frequently responds with, “It’s a rolling computer, and very advanced.” Some were fixed by recalibration, but many have a more serious problem. All the stories are only the people that have posted about it. It’s probably Toyota’s biggest problem. My car was under warranty when it began, but health issues and restrictions kept me from getting the attention of the general manager since I was ignored by others. I feel this is serious enough and has effected numerous people that it warrants an investigation. People are relying on a system that doesn’t work properly, and some have been hurt and many others will be negatively affected by it.

NHTSA complaint #11549096 — an unverified report by a vehicle owner.

Albuquerque, NM

BACK OVER PREVENTION: WARNINGS

A year ago my 2019 Toyota Avalon started displaying a message that the RCD (rear camera detection) was unavailable. I tried working with the dealership that sold me the car, but they ignored me. I went to another Toyota dealership and they said it would cost approximately $2000, but could not guarantee it would fix the issue. I’ve seen online that 1000’s of Toyota owners with the same system have had similar problems, and Toyota frequently responds with, “It’s a rolling computer, and very advanced.” Some were fixed by recalibration, but many have a more serious problem. All the stories are only the people that have posted about it. It’s probably Toyota’s biggest problem. My car was under warranty when it began, but health issues and restrictions kept me from getting the attention of the general manager since I was ignored by others. I feel this is serious enough and has effected numerous people that it warrants an investigation. People are relying on a system that doesn’t work properly, and some have been hurt and many others will be negatively affected by it.

NHTSA complaint #11549096 — an unverified report by a vehicle owner.

Springville, UT

LANE DEPARTURE: BLIND SPOT DETECTION

Blind spot monitor sensors not positioned properly, cause bsm and rcta to have issues dealer said their was a TSB for it but that they couldn't cover it and I need to pay out of pocket to fix a defective safety system

NHTSA complaint #11498149 — an unverified report by a vehicle owner.

Springville, UT

BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING

Blind spot monitor sensors not positioned properly, cause bsm and rcta to have issues dealer said their was a TSB for it but that they couldn't cover it and I need to pay out of pocket to fix a defective safety system

NHTSA complaint #11498149 — an unverified report by a vehicle owner.

Midlothian, VA

FORWARD COLLISION AVOIDANCE: WARNINGS

After starting car, from being parked in parking garage from 8am-5pm, the Pre Collision warning system light turned on. Vehicle currently has 20k miles on the odometer. There are numerous records in the car's onboard history of this device failing during car startup. Drove home, started next day with no incident. System is unreliable. According to the Infotainment system, the car seems to report the failure every few months.

NHTSA complaint #11485006 — an unverified report by a vehicle owner.

Knoxville, TN

FORWARD COLLISION AVOIDANCE: WARNINGS

This incident has happened twice in three years. Hence it is a very rare occurrence. Both times involved the same events. Cruise control was on. I was traveling in the left lane of the interstate highway, approaching an 18-wheel truck which was in the right lane. When I was approximately 50 feet from the rear of the truck, the truck began to enter my lane. I suspect I was in the trucker's blind spot. My car did not sense the truck. The cruise control did not disengage. The brakes did not engage. But the MOST troublesome was that the car did not respond to my pressing on the brake pedal. I had to press 4 or 5 times before the cruise control would disengage and the brakes engage. Since I was traveling approximately 70 mph, the distance between my car and the truck (each time) closed rapidly. In the first instance, the truck tire hit my right front fender. I moved to the shoulder of the road and eventually the car braked. In the second case, I avoided collision by about 10 feet. I use the cruise control frequently and in EVERY other circumstance, the sensors on my car have worked correctly and disengaged the cruise control and I have never had a problem with breaking. I suspect a blind spot in the sensor system but why, only in this situation, does the brake system fail to disengage the cruise control when i press on the brake is a very troublesome mystery to me. Answering question on web page: My safety - life threatening, No dealer consultation, Regular maintenance schedule maintained, No warnings.

NHTSA complaint #11417486 — an unverified report by a vehicle owner.

at 12,000 miles Charlotte, NC

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

TL* THE CONTACT OWNS A 2019 TOYOTA AVALON. THE CONTACT STATED THAT THE DYNAMIC CRUISE CONTROL HAD BECOME INOPERABLE. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE DYNAMIC CRUISE CONTROL MALFUNCTIONED AND THE AUTOMATIC EMERGENCY BRAKING ACTIVATED AND THE VEHICLE CAME TO AN ABRUPT STOP. THE CONTACT STATED THAT THE FAILURE WAS WORSE WHILE DRIVING IN INCLEMENT WEATHER. THE VEHICLE WAS TAKEN TO SCOTT CLARK TOYOTA (13052 MARIE GARRIS RD, MATTHEWS, NC 28105) TO BE TEST DRIVEN. WHILE BEING TEST DRIVEN ALONG WITH THE TECHNICIAN, THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 12,000.

NHTSA complaint #11384521 — an unverified report by a vehicle owner.

Other 2019 Toyota Avalon problems

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