IllustrationThis is recall on and OCS that not has been taking of and I'm trying to find out is the problem that is matter has not been resolved. It's been since Dec of 2023 and I still don't have this issue fixed yet. And the light is on the right passanger side.
2021 Toyota Corolla
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2021 Toyota Corolla do not stand out strongly from the model-year median of 129.
About this comparison →How this year compares
Owner complaints by model year
Compare all Corolla years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 25 of 185 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Air Bags. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
18 crash reports2 fire reports10 injury reports
What owners actually said
185 reportsCoolant bypass valve broken
I was coming to a stop and the clutch slave master cylinder just sank to the floor and wouldn’t activate the clutch. There were no symptoms of the clutch failing or having trouble changing gears prior to its failure. It was inspected by the Toyota tech and he couldn’t give me a reason for its premature failure.
Engine maintenance required P268115 engine coolant bypass valve
The car shows the message “Engine Maintenance Required” that leads to the coolant bypass hose being bad.
The engine maintenance required sign popped up on my 2021 Toyota Corolla and took it to a dealer to get it diagnosed and they reported back it was the coolant bypass valve. They want 1,000$ to fix the issue even tho the person I was dealing with at the dealer shop said it’s happening to all the corollas from 30,000 miles to 50,0…
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The engine maintenance required sign popped up on my 2021 Toyota Corolla and took it to a dealer to get it diagnosed and they reported back it was the coolant bypass valve. They want 1,000$ to fix the issue even tho the person I was dealing with at the dealer shop said it’s happening to all the corollas from 30,000 miles to 50,000 miles .
Clutch pedal sticks. Even after Toyota dealership bled lines. Apparent slave cylinder issue. Failure ranges from 35k to 80k miles. Faulty design using polymer is the internet’s general opinion.
The contact owns a 2021 Toyota Corolla. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted and informed the co…
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The contact owns a 2021 Toyota Corolla. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted and informed the contact that they were unable to unscrew the rear screws on the seat to remove the seat because the seat failed to move forward to access the rear screws. The dealer stated that the seat bracket had to be fractured and then replaced to be able to complete the recall repair. The manufacturer was made aware of the issue and was informed the contact that the dealer would charge more for the additional damage. The manufacturer opened a case. The failure mileage was 94,576. Parts distribution disconnect.
The contact owns a 2021 Toyota Corolla equipped with Yokohama Tires, Tire Line: Blue Earth, Tire Size: 205/55/R16, DOT Number: FD8K-LL012. The contact stated that while driving approximately 65 MPH, the vehicle started to shake and vibrate abnormally. The contact stated that after stopping to inspect the vehicle, the contact dis…
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The contact owns a 2021 Toyota Corolla equipped with Yokohama Tires, Tire Line: Blue Earth, Tire Size: 205/55/R16, DOT Number: FD8K-LL012. The contact stated that while driving approximately 65 MPH, the vehicle started to shake and vibrate abnormally. The contact stated that after stopping to inspect the vehicle, the contact discovered that the rear passenger’s side tire had experienced a sidewall blowout and tread separation. The cause of the failure was not yet determined. The local Toyota dealer was notified of the failure. The tire manufacturer was not contacted. The failure mileage was 53,253.
Coolant bypass valve has failed. AutoNation Toyota in Cerritos has verified issue. This issue has caused potential engine overheating, engine maintenance required warning light has popped up in my vehicle, was told by AutoNation that my vehicle is not covered for this repair and I will have to pay out of pocket.
Official recalls
123V865000 · Air Bags:sensor:occupant Classification
Dec 20, 2023
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.
Consequence & remedy
Consequence: An air bag that does not deploy during a crash increases the risk of injury.
Remedy: 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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.