2020 Toyota Corolla problems, complaints & recalls
Most-reported problem areas: Engine (90) · Power Train (29) · Service Brakes (19)
🧭 Reliability snapshot
Compared against other Toyota Corolla model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
69 NHTSA complaints that reported an odometer reading.
Safety recalls (3)
Air Bags:sensor:occupant Classification 2023-12-20 · campaign 23V865000 · 999,901 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
Risk: An air bag that does not deploy during a crash increases the risk of injury.
Fix: Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
Fuel System, Gasoline:delivery:fuel Pump 2020-11-04 · campaign 20V682000 · 1,525,742 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus I
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Fix: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an
Seat Belts: Rear/Other:buckle Assembly 2019-12-11 · campaign 19V877000 · 9,468 vehicles
Defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2019-2020 C-HR and 2020 Corolla and Corolla Hybrid vehicles equipped with rear seat belt assemblies with a dual-mode locking mechanism. The seat belt webbing sensor locking mechanism may not lock as intended.
Risk: In the event of a crash involving multiple impacts, the seat belt may not properly restrain the occupant, increasing the risk of injury.
Fix: Toyota will notify owners, and dealers will inspect the rear seat belt assembly production dates, and replace the assemblies, as necessary, free of charge. The recall began February 7, 2020. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's numbers for this recall are 19TB22 and 19TA22.
Service bulletins (201)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-08-11 · 24TE04 · Warranty Program/Extension
although the flow shut-off valve is covered by toyota’s new vehicle limited warranty for 36 months or 36,000 miles (whichever comes first), we at toyota care about the customers’ ownership experience. toyota is providing coverage for repairs related to flow shut-off valve coolant leak.
Engine 2026-02-27 · T-SB-0104-21 Rev2 · Service Bulletin/Repair Instructions
obsolete notice february 27, 2026: this bulletin is no longer applicable and is now obsolete.
Electrical System 2026-01-30 · T-SB-0106-22 Rev2 · Service Bulletin/Repair Instructions
obsolete notice january 30, 2026: this bulletin is now obsolete. please see t-sb-0001-26.
Electrical System 2026-01-28 · T-SB-0001-26 · Service Bulletin/Repair Instructions
some 2018 – 2024 model year toyota vehicles equipped with a premium audio with dynamic navigation system require a special service tool (sst) usb flash drive to update the map, points of interest, and system software.
Unknown Or Other 2026-01-07 · T-SB-0055-24 Rev2 · Service Bulletin/Repair Instructions
some 2005 – 2026 toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. follow the procedures in this bulletin to remediate the odor and address this condition. the purpose of this service bulletin is to provide general guidelines and procedures
Engine 2025-11-17 · 22TC07 · Other
owner renotification letter due to certain programing in the engine ecu, under certain conditions, the vehicle may stall at low speeds when accelerating from a stop. if this low-speed vehicle stall occurs, steering and braking are not impacted, and the vehicle can be restarted immediately.
Showing the 6 most recent of 201 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-19 · Electrical System:instrument Panel:speedometer/Odometer · 67,000 mi“the contact owns a 2020 toyota corolla. the contact stated that while driving at an undisclosed speed, a "maintenance required" message was displayed, and the front passenger air bag warning light illuminated. the speedometer was inoperable. the contact stated new tires had been installed previously. the vehicle was taken to the dealer; however, th…”
2026-10-09 · Vehicle Speed Control“i am reporting a severe, recurring safety hazard on my 2020 toyota corolla. the vehicle suddenly displays 'drive-start control malfunction' and completely cuts off engine power in motion, leaving the car stranded in active traffic. this happened after accelerating from a stop sign on a main avenue. this is an inherent manufacturing defect present …”
2026-10-08 · Service Brakes“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 seriou…”
2026-10-05 · Structure:body“i am unable to lock or unlock the driver’s side door of my 2020 toyota corolla using the key fob because the door lock actuator is no longer functioning properly. i must manually use the physical key to lock and unlock the driver’s door. i consider this a significant safety concern because the power locking system is no longer functioning as intend…”
2026-10-03 · Engine“my engine maintenance light came on around 59,400 miles for my coolest control valve !! needed it to be replaced! light won’t go off just had it serviced for an oil change before this started!! …”
2026-09-18 · Service Brakes“the concentric slave cylinder in my vehicle is a big issue with these cars. there has been so many reports of issues happening with these cars manual transmission corolla's. this can cause fluid to spew, brakes to stop working, and no longer able to drive the vehicle safely. this part should be recalled and covered by toyota.…”
2026-09-15 · Power Train“the cv joint, there is a clicking sound when sharp turns are make to include u-turns. spoke with a mechanic and was instructed to reach out to the dealership and check for recall on it. i did see any but i see a technical service bulletin ( tsb-0106-20) for 2015- 2021 corolla models regarding a potential clinking noise during sharp turns and u turn…”
2026-08-06 · Engine“part is the coolant bypass valve. toyota has been taken to court but dealership claims now that i’m over 100k miles i can’t do it. there was also a second part about 10 years but i wasn’t clear on the details of the outcome. toyota has acknowledged this issue in court but failed to do so at the customer level in my case. engine light came on at 9…”
2026-08-06 · Power Train“failed component & availability: the manual transmission concentric slave cylinder (csc) failed internally. due to caustic hydraulic fluid contamination and severe system pressure loss, i had to replace the internal csc unit, the clutch disc, the pressure plate, the flywheel, the master clutch cylinder, and the hydraulic clutch lines. the failed co…”
2026-08-06 · Electrical System“design flaw & safety risk: toyota critically mismatched the standard battery to the vehicle's electrical charging profile; an agm battery should be specified from the factory. engine programming drops alternator voltage during cruising, deeply discharging the battery, and forces high-voltage surges (15v+) into it during deceleration. because standa…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.